Answer:
The Mid-Atlantic Ridge
Explanation:
The Mid-Atlantic Ridge includes a deep rift valley that runs along the axis of the ridge along nearly its entire length. This rift marks the actual boundary between adjacent tectonic plates, where magma from the mantle reaches the seafloor, erupting as lava and producing new crustal material for the plates.
Answer:
rift valley
Explanation:
hope this helps!! :D
why the change in only one DNA base of a gene could result in a different protein produced by the gene?
It happens because of Point mutation
Explanation:
A point mutation can be understood as when one nucleotide is added, deleted or changed. Through change in DNA structure a gene can be altered and it is called mutation. Point mutation’s other term is insertion as well as deletion. It mostly involves in substitution.
Rarely, Point mutation is responsible for huge change. Basically, two types of point mutation happen. They are transition or transversion mutations.
How can cooperative
behaviors help animals that are raising offspring?
Answer:
It helps insure the survival of a species in a whole.
Explanation:
Allows different species, for example dolphins or meerkats, to mate and ensure survival in their habitats.
Why are photosynthesis and cellular respiration considered complementary processes?
Answer:
Photosynthesis and cellular respiration are complementary processes because the reactants of one are products of the other, and vice versa.
Explanation:
Complementary processes are like opposite processes. Take a look at the equations for each:
Photosynthesis:
carbon dioxide + water + (light) energy => oxygen + sugar
Cellular respiration:
sugar + oxygen => carbon dioxide + water + (ATP) energy
Written as a word equation, it is easier to see that they are basically backwards. The main difference is that photosynthesis uses light energy and cellular respiration produces ATP energy, but both are energy in general.
Photosynthesis and respiration are two complementary processes. This is because the products of photosynthesis are used during the respiration process, and the products of respiration are used in photosynthesis.
---------------------------------------
Let us analyze the relationship and differences between the two processes.
• Photosynthesis occurs in chloroplasts, while respiration occurs in mitochondria.
• The photosynthetic process needs solar radiation to produce organic compounds.
The respiration process uses these organic compounds to obtain chemical energy.
• Photosynthesis transforms CO₂ into organic compounds, while respiration transforms organic compounds into CO₂.
• In the process of photosynthesis, it occurs a release of oxygen.
Oxygen is then used during the respiration process.
• Both processes are part of the carbon biological cycle.
• Both processes use electron transport chains to capture energy, which will be used in other cellular reactions.
• Respiration´s final products are CO₂, ATP, and water
• Photosynthesis´s final products are carbohydrates, oxygen, ATP, and NADPH.
These relationships can be established between cells of autotroph and heterotroph organisms.
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Who is ernes hekel?
Answer:
Ernst Heinrich Philipp August Haeckel is a German zoologist, naturalist, philosopher, physician, professor, marine biologist, and artist who discovered, described and named thousands of new species, mapped a genealogical tree relating all life forms, and coined many terms in biology, including ecology, phylum, phylogeny, and Protista.
Explanation:Your welcome:)
Answer:
Who EXACTY are you talking about?????
Explanation:
Describe the relationship between the concentration of glucose in the culture medium and the ATP concentration in the cells.
Higher glucose concentrations usually lead to more ATP being produced due to more fuel for cellular respiration. However, actual ATP levels depend on various factors, including the cell's energy needs and current ATP and ADP concentrations. A feedback mechanism also exists to prevent overproduction of ATP when it's already abundant.
Explanation:The relationship between the concentration of glucose in the culture medium and the ATP concentration in cells is quite direct and can be understood through biological processes involved in cellular energy production. Glucose is the primary energy source for cells, and it is broken down through a process known as glycolysis to produce ATP, the energy currency of the cell.
As glucose concentration increases in the culture medium, more glucose is available for uptake by cells. This glucose is moved down a concentration gradient into the cell through facilitated diffusion using carrier protein channels. Inside the cell, glucose is broken down by glycolysis, transferring some of the energy in glucose to ADP to form ATP. Thus, an increased glucose concentration typically leads to increased ATP production, as there is more fuel for cellular respiration.
However, it's important to note a feedback mechanism in which high ATP levels can inhibit further ATP production, thereby preventing wasteful use of resources when ATP is already in abundant supply. In contrast, increased levels of ADP compared to ATP can trigger the cell to produce more ATP through glucose catabolism. Therefore, while a higher glucose concentration generally enables greater ATP production, actual ATP levels in cells depend on multiple factors, including the cell's energy needs and existing ATP and ADP levels.
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All organisms are made up of cells. Organisms can have
A.
200-300 cells each.
B.
either many cells or no cells.
C.
only one cell each.
D.
one cell or many cells.
Answer: one cells or many cells
Explanation: that organism made up of one cells are called unicellular and organism made up of two or more than are called as multicellular organisms
for e.g unicellular organism are amoeba
multicellular are plants fungi and animals
All organisms are made up of cells. They can either be unicellular, (only one cell), or multicellular, (many cells). There are no organisms that exist without cells.
Explanation:The correct answer to this question is D. one cell or many cells. By definition, all living organisms are composed of cells. Some organisms, like bacteria or amoebas, consist of only a single cell, and they're termed as unicellular organisms. On the other hand, organisms like plants, animals, and humans, are made up of many cells, which means they are multicellular organisms. It's important to note as well that no living organism exists without cells, given that the cell is the smallest unit of life.
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Which of the following was introduced by Carl Woese as an advancement to the Linnaean Taxonomy?
A. Broader categories based on genetic links
B. categories based on physical characteristics
C. Seven major taxa to group organisms
D. A naming system called binomial nomenclature
Answer:
The Correct Answer is A
Broader categories based on genetic links
Explanation:
Which of the following could be a DNA nucleotide?
A.phosphate, ribose, adenine
B.phosphate, ribose, uracil
C.phosphate, deoxyribose, uracil
D.phosphate, deoxyribose, adenine
Answer:
"phosphate, ribose, adenine" could be a DNA nucleotide
Explanation:
They are built up of the molecules known as nucleotide. Every nucleotide has a sugar group ,a nitrogen base and a phosphate group in it. For such type of nitrogen are present. The order of bases are determined by the genetic code or the instruction they are carrying with them. The DNA are generally found in the nucleus present in the brain. It has the total control of the body. It also keeps a record of the genetic information.
Select the correct answer from each drop-down menu.
What do animals receive from each parent?
Animals receive a copy of each from each parent, however, only one copy develops a characteristic called a .
Answer and Explanation:
What do animals receive from each parent?
chromosome
Animals receive a copy of each chromosome from each parent, however, only one copy develops a characteristic called a trait. Hereditary characteristics are passed from parents to their offspring through distinct units called genes. These are found in cellular structures called chromosomes.
Which roles does pressure play during a volcanic eruption? Check all that apply.
Pressure decreases as magma rises.
Pressure traps dissolved gases in magma.
Pressure increases until the volcano explodes.
Pressure from rocks above causes new rocks to form.
Pressure from expanding gases forces magma through the pipe and vent.
Pressure decreases as magma rises.
Pressure increases until the volcano explodes.
Explanation:
The reason behind volcanic eruption is extreme weather, tectonic plates, climate change and magma movement. Under beneath of earths crust there are molten rock which is formed because of high temperature at core and they are melted and form a magma.
In magma there are various types of gas present. These gases are carbon dioxide, water vapor and also sulfur dioxide. These gases are stored in chambers of magma and it sealed beneath with lid of rock
Answer:
decreases
magma
pipe
vent
Explanation:
i think
What one of the following items is a producer of pollution?
O A) forest
OB) oceans
OC) factories
OD) bicycles
Answer:
C. factories
Explanation:
Factories release several gases and waste thata re toxic to the environment and considered pollutants.
Why might genetically engineering a crop to be herbicide resistant result in producing weeds that are herbicide resistant?
Answer:
Genetic engineering can be used to produce plants that are resistant to herbicide. One herbicide works by preventing the activity of an enzyme.
Explanation:
What are 2 characters about mitochondria and chloroplast that make them similar to Prokaryotic bacteria cells?
Answer:
Following are two characteristics of mitochondria and chloroplast that are similar to prokaryotic cells:
Unlike other organelles, both chloroplasts and mitochondria have their own characteristic circular DNABoth mitochondria and chloroplasts possess their own ribosomes that have 50S and 30S sub-units like a prokaryote instead of 40 and 60S ribosomes found in eukaryotes.Explanation:
Endosymbiotic Theory:
The endosymbiotic theory helps explain the origins of multi-cellular organisms. An endosymbiont is defined as an organism that lives inside another organism in a state of "endosynmbiosis." The theory states that some of cellular organelles were originally separate prokaryotic organisms engulfed by an amoeba like organism. These engulfed prokaryotes sustained inside the amoeba and evolved into present day mitochondria and chloroplasts.
Mitochondria were formed by engulfing bacteria capable of aerobic respiration. Chloroplasts were formed when cyanobacteria or photosynthesizing bacteria were engulfed.Apart from the aforementioned similarities, mitochondria and chloroplasts are roughly the same size as a prokaryotic cell and can self replicate by binary fission.
What does it mean for a solution to have a pH of 7.2? What does that value for pH represent?
Answer:
a PH value represents how acidic or basic a solution is.
to answer your question a PH of 7.2 means it is neutral. anything 6 and below means its basic and anything above 8 means its acidic. 7 means its neutral
If a solution has a pH of 7.2, it is a base. 7 on the pH scale is neutral like water. If you go to the left you have your acids which turn litmus paper red. Acids are generally sour, and they release HCl. On the other hand, bases are to the right. They turn litmus paper blue. They are more bitter. They release -OH. The values on the pH scale represent how acidic or basic somethin is. Hope this helps.
Which of the following statements about fossil fuels is false?
Answer:
A
Explanation:
Fossil fuels were formed millions of years ago and are generally considered to be non-renewable because of the extreme amount of time it would take to renew them. They are the remains of fossilized plants and animals (hydrocarbons are in crude oil).
The statement that is false about fossil fuels is:
A) most of them formed thousands of years ago, and will take hundreds of thousands of years to renew.
What are Fossil fuels?Fossils are the remains or traces of ancient life that have been preserved by natural processes, from spectacular skeletons to tiny sea shells. Fossil fuels were formed millions of years ago and are generally considered to be non-renewable because of the extreme amount of time it would take to renew them. They are the remains of fossilized plants and animals (hydrocarbons are in crude oil).Fossil fuels include coal, petroleum, natural gas, and heavy oils. All contain carbon and were formed as a result of geologic processes acting on the remains of organic matter.
A) most of them formed thousands of years ago, and will take hundreds of thousands of years to renew.
Thus, the statement that is false about fossil fuels is A, i.e.
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The given question is incomplete:
The complete question is:
Which of the following statements about fossil fuels is false?
A) most of them formed thousands of years ago, and will take hundreds of thousands of years to renew.
B) they are the fossilized remains of ancient hydrocarbons, fixed by photosynthetic organisms, and then buried under sediment and transformed by pressure and heat.
C) they formed millions of years ago, and if renewal were possible, the process would take tens or hundreds of millions of years
D) A and B
E) B and C
What fossils do paleobotanists commonly find that allows them to study the organism even though it itself was not
preserved? Select all that apply. THERES MORE THAN ONE ANSWER!!
pollen
seeds
spores
egg shells
Answer:
Pollen and spores (paleopalynology)
Explanation:
Fossil pollen and spores are proxy to past vegetation: Paleobotanists use fossil pollen and spores as a proxy to study the extinct plant's species, their complex vegetation patterns, and links to the past climate in the geological time scale. This study is well-recognized as paleopalynology.
Why pollen and spores are preserved as fossils: Both pollen and spores can be preserved and fossilized in the old rocks because they are made up of an extremely resistant organic material known as sporopollenin. Its presence even doesn't allow the complete degradation of the organic material inside in thousands of years.
Answer:
Pollen and spores
Explanation:
hope this helps!
In the picture the stomata on the underside of the leaf will ____ when the turgor pressure within the guard cells increased to full capacity
Answer:
The right answer is C) open fully
A stomate consists of two kidney-shaped stomal cells (guard cell) that delimit the stoma or ostiole orifice. The latter opens more or less, depending on the needs, depending on the turgor of the stomatal cells.
When the guard cells are turgid, the thinner and more flexible outer wall expands more than the thicker and stiffer inner wall. The cells curl and the ostiole opens.
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Explanation:
lonic compounds form between elements that
are metals and elements that are____
Ionic compounds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms. I hope this helps you out.
To play soccer, what type of
energy is needed by your muscles
so they will function properly?
A. electromagnetic
B. nuclear
C. chemical
Scientists have discovered and analyzed a huge number of fossils that represent a wide variety of species. What type of evidence for evolution is provided by the fossil record?
Answer:
The fossil record supports a "biological" type of evidence.
Explanation:
Fossils- this refers to the remains of prehistoric organism. It provides a trace of a once-living plant, animal or organism.
When it comes to evolution, fossils provide a biological type of evidence. This means that, it shows how organism have greatly changed from the past. When you study fossil records, you can compare it with the animal, plant or human structure nowadays. You can compare them side-by-side. So, you'd get that idea on how prehistoric things lived in the past and how they evolved up to the present day or became extinct.
Most of the fossils can be found on sedimentary rocks. You can also tell their ages according to which layer they belong. It is said that older layers consist of older fossils and they appear at the bottom while younger layers consist of younger fossils and they appear on top.
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Which materials are moved by runoff? Select two options.
A. topsoil
B. nutrients
C. vegetation
D. large rocks
E. paved surfaces
Answer:
The materials moved by runoff are topsoil and nutrients
Explanation:
Topsoil is easily washed off by runoff whenever it rains, they are made up of light materials which helps their easy migration during runoff. Nutrients in same vein when added to soil, most nutrients takes longer period before they eventually moves down the soil to penetrate plants root for uptake, hence; some remains on topsoil which are easily moved during runoff
What three properties interact to produce weather?
Three properties that interact to produce weather are water pressure, air pressure, and latitudinal location.
Explanation:
Throughout the year we experience different types of weather conditions, and these conditions can be influenced by three main factors.
• Water cycle or water pressure: When sun rays falls on earth, the water from lakes and oceans turns into water vapor which in turn forms clouds and comes back into the form of rain.
• Air masses: It so happens that the air pressure is determined by the temperature above which it moves. For example: if it is above the area which experience snow then air mass will be cold and dry, similarly on hot areas it will be warm thus giving rise to different climatic conditions.
• The latitudinal location: The temperature mostly depends on its latitudinal location.
After studying about recycling, members of Miguel’s
biology class investigated the effect of various
recycled products on plant growth. Miguel’s lab
group compared the effect of different aged grass
compost on bean plants. Because decomposition is
necessary for release of nutrients, the group
hypothesized that older grass compost would produce
taller bean plants. Four flats containing the same
species of bean plants (25 plants/flat) were grown for
5 days. The plants were then fertilized with compost
as follows: (a) Flat A: 450 grams of two-month-old
compost; (b) Flat B: 450 grams of four-month-old
compost; (c) Flat C: 450 grams of six-month-old
compost; (d) Flat D: 0 grams of compost. The flats
of beans were planted in the same type of soil. The
plants received the same amount of sunlight and
water each day. At the end of 30 days, the group
recorded the height of the plants in centimeters. What is the flaw in this experiment?
Answer:
i wish i could help dude sorry
Explanation:
Answer:
im good like dat
Explanation:
Based on the diagram of a roller coaster track, what statement is true?
A) A car at point A has the most kinetic energy.
B) A car at point B has the most potential energy.
C) A car at point B has more kinetic energy than the car at point D.
D) A car at point D has more kinetic energy than the car at point B.
Answer:
C) A car at point B has more kinetic energy than the car at point D.
Explanation:
When it travels from A to B, it passes it with a lot of kinetic energy (motion energy).
When it comes to point D, it slows down for the stop. This loses kinetic energy.
So there is more kinetic energy on point B than on point D.
Answer:C
Explanation:
Which of the following characteristics of living things best explains why birds fly south for the winter?
Answer:
The correct option is A) Living things respond to their environment.
Explanation:
All living things tend to respond to the environment in some way or the other. When any change arises in the environment, it acts as a stimulus for the organism. A response is generated by the organism by detecting this stimulus. For example, the weather is an environmental condition. When the weather becomes unfavourable for birds, they fly o the south where the weather conditions are better so that they can protect themselves from the excessive cold weathers. Such practices allow organisms to survive on the Earth.
The correct option is A) Living things respond to their environment.
The following information should be considered:
All living things should be respond to the environment.When there is any change arises in the environment, it acts as a stimulus for the organism. A response is generated by the organism by detecting this stimulus.Learn more: brainly.com/question/17429689
what powers did The Empire of Great Britain have over its people
Answer:
The Empire of Great Britain had a "global power," which was also known as a "superpower" concerning resources, influences and geopolitical landscapes.
Explanation:
When it comes to international relations, the power of a country or a nation is very important. It is an inherent goal that many people want. It can be used in many situations such as cooperating with other countries, coercing people to follow a rule, securing the nation and developing the nation, etc.
The Empire of Great Britain was considered, together with USA and the Soviet Union, to have a "superpower." Only the strongest nation possess such power. It was able to control millions of people, which then resulted into a great expansion. The reason behind this is that they had a stricter rule than other nations and people followed it. This made them stronger and while they continued expanding, they were able to acquire more resources.
Which of the following statements about the Sun is true?
A.
The Sun is only one of billions of stars in the galaxy but is much smaller than any of the other stars.
B.
The Sun is only one of billions of stars in the galaxy, many of which are very similar to the Sun.
C.
The Sun is only one of billions of stars in the galaxy but is much larger than any of the other stars.
D.
The Sun is one of only a few stars in the galaxy but is much smaller than any of the other stars.
B. The Sun is only one of billions of stars in the galaxy, many of which are very similar to the Sun.
Explanation:
The sun is only one of the billions of stars in the galaxy, many of which are very similar to the sun.
The sun is the only star in the solar system which is made up the planets, their satellites and other planetary bodies.
There are several systems of stars in the universe. A cluster of stars is known as the Galaxy. The name of our Galaxy is called the Milky Way. A several groups of Galaxies makes up the universe. The sun is a star power by nuclear fusion of light atoms in its core.Learn more:
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Answer:
B.
The Sun is only one of billions of stars in the galaxy, many of which are very similar to the Sun.
Explanation:
Our galaxy is made up of billions of stars, one of which is our Sun. These differ greatly in size, and our Sun is considered to be a medium-sized star. There are many stars similar to our Sun and many more that are either smaller or larger than our Sun.
which process is part of the carbon cycle? A) evaporation B) transpiration C) photosynthesis C) fixation
Answer: b) transpiration
Answer:photosynthesis
Explanation:
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Which describes simple diffusion?
Solute molecules move across a cell membrane from areas of higher concentration to areas of lower concentration.
Substances move across a cell membrane, a process that requires energy in the form of ATP.
Substances move across the cell membrane, a process that requires no energy.
Water moves across a cell membrane in a manner that is dependent on the concentration of solutes.
Answer:
The answer is "Solute molecules move across a cell membrane from areas of higher concentration to areas of lower concentration."
Explanation:
Simple diffusion specifically involves the movement of (small, uncharged) solutes across a cell membrane. Since diffusion is part of the passive transport umbrella, it also requires no energy since the solutes move down the concentration gradient - from areas of high concentration to areas of low concentration.
Hope that helps! :)
Solute molecules move across a membrane from areas of higher concentration to lower concentration is called diffusion. Therefore, option A is correct.
What is diffusion?A chemical diffuses when it moves from one location of high concentration to another area of lower concentration. When gas and liquid particles randomly collide and disperse, diffusion takes place.
Diffusion aids in the flow of materials into and out of cells. Until the concentration is the same everywhere, the molecules travel from a region of higher concentration to an area of lower concentration. Diffusion occurs in gases and liquids because random molecular movement is a possibility.
Diffusion is the process by which solute molecules travel across a cell membrane from regions of higher concentration to regions of lower concentration. Therefore, option A is correct.
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Match the function to the type of tissue
Answer:
Nervous tissue- sends signal from brain and body
Muscle tissue- allow shivering to produce heat to maintain body temperature
epithelial tissue- protects skin from bacteria and other particles
connective tissue- provides structural support for the organs
Explanation:
Nervous tissue contains nerves, spinal cord, and brain. Neurons in nervous tissue is responsible for receiving and stimulus from the body and sending signal from the brain and body.
Skeletal muscles are involved in the shivering during the cold. In shivering involuntary contraction of skeletal muscle occurs when body temperatures goes down which generates heat and rise the body temperature.
Epithelial tissue coves the body surface and do not allow any bacteria and other microbes or chemicals to enter the penetrate it and enter in the body. So epithelial tissue plays a role in protection.
Connective tissue provides structural support for the organs like bone and cartilage provide structural support to the soft tissue of the body and provide strength to the body.
The human body contains four main types of tissues- epithelial, connective, muscle, and nervous. Each of them performs unique functions to ensure the health and functioning of the body. Epithelial tissue forms the body’s linings, connective tissue provides support, muscle tissue enables movement, and nervous tissue facilitates communication.
Explanation:The human body consists of four main types of tissues: epithelial tissue, connective tissue, muscle tissue, and nervous tissue. Each of these tissues performs unique and specific functions.
Epithelial tissue: These are sheets of cells that cover exterior body surfaces, line internal cavities and passage ways, and are involved in forming certain glands.Connective tissue: This type of tissue binds cells and organs of the body together. They play a key role in protection, support, and integration of all body parts.Muscle tissue: Muscle tissues respond to stimulation and contract to allow movement. They are of three types- skeletal (voluntary) muscle, smooth muscle, and cardiac muscle in the heart.Nervous tissue: Nervous tissue is excitable and allows propagation of electrochemical signals in the form of nerve impulses. This function is critical for communication between different regions of the body.Learn more about Tissue Types and Functions here:
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