Answer:
Photosynthesis converts light energy to chemical energy in plants and cellular respiration converts biochemical energy from nutrients in organisms.
Explanation:
Photosynthesis is a process that occurs in green plant that synthesizes food for plants from the use of sunlight and series of chemical reactions.Similarly cellular respiration also does the same but it uses nutrients consumed from the body to produce energy for different cellular activities. Cellular respiration converts energy into ATP form in organisms. Photosynthesis uses sunlight where as cellular respiration needs oxygen to prepare food and energy.What additional characteristic (x) belongs in the central section of the above venn diagram? F. Ribosome G. Mitochondria H. Chloroplast J. Endoplasmic reticulum
Explanation:
F. Ribosome
Around the endoplasmic reticulum, proteins are transported. The Endoplasmic Reticulum is a cytoplasmic membrane network. This continuous method not only raises the surface area within the cell but also conducts protein folding, synthesis, and transport.
Further Explanation:
Free ribosomes synthesize most proteins that operate in the cytosol (such as actin) or nucleus (such as DNA polymerase). Proteins that act within the endomembrane system (such as lysosomal enzymes) or those that are intended for cell secretion (such as insulin) are synthesized in the rough endoplasmic reticulum ER by bonded ribosomEs.
The rest of the ER that doesn't include ribosomes is called the smooth ER, and may contain lipids, enzymes, and other proteins. The first amino acids in the that polypeptide chain serve as a signal sequence as a protein bound for the endomembrane system is being synthesized by a ribosome. The signal sequence ensures that the ribosome binds to the ER's outer membrane and the protein gets into the ER lumen.
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How do beach nourishment and vegetation management differ in the ways they manage beach erosion?
1.Only vegetation management replaces sand on the beach.
2.Only beach nourishment provides protection from floods.
3.Only beach nourishment uses a hard structure to manage erosion.
4.Only vegetation management brings in plants to keep sand on beaches!
Only beach nourishment uses a hard structure to manage erosion.
Both relocate materials back to the shore
Beach nourishment refers to the addition of sand on the beach to reduce the erosion effect by water currents.
Vegetation management is the (re)plantation of plants to reduce the erosion effect on beaches caused by waves.
In the statements given above, the addition of hard structure doesn't primarily means beach nourishment, likewise, vegetation management doesn't replace the sand on the beach but rather prevents sand erosion. However, vegetation management brings in plants that hold the sand, especially on dunes. Floods cannot be controlled by beach nourishment but with the help of plants, their impact can be minimized.
Therefore, the correct answer is option
3. Only beach nourishment uses a hard structure to manage erosion.
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Question 5 (3 points)
What molecule will be produced at the end of the process shown in the illustration?
Growing
Polypeptide
Chain of Amino Acids
o Amino acid
SPeptide Bond
ERNA
protein synthesis
Translation
Anti-codon
Codon
mRNA
Ribosome
the options are : protein, DNA, ATP, carbohydrate
Answer:
The answer is protein.
Explanation:
The process described in the scheme is translation which is the final step of the central dogma of molecular biology. The central dogma of molecular biology traces the transfer of genetic information from DNA to RNA to Protein. Translation is the generation of a protein or polypeptide chain by the decoding of the mRNA sequence by tRNA into amino acid sequences corresponding to a certain protein.Every tRNA carries a specific amino acid at one end and its corresponding anticodon on the other. The anticodon on the tRNA is complementary to a specific codon on the mRNA. The tRNA uses this anticodon to identify and decode the codons on mRNA.The entire protein synthesis takes place inside the ribosomes which are the cell's principal organelles for protein synthesis.FIRST TO ANSWER WILL MARK BRAINLIEST
A scientist is studying two traits on a fruit fly. She discovers that these are most often inherited together.
What can be said about these traits?
1. They are on the same chromosome and are influenced by epistasis.
2. They are on the same chromosome and are linked together.
3. They are on different chromosomes, and each trait is controlled by many genes.
4. They are on different chromosomes and are linked together.
CHOOSE FROM THE ANSWERS ABOVE PLZ!!!
Answer:
I think maybe its 2
Explanation:
Final answer:
When traits are inherited together in fruit flies, it indicates that the genes controlling these traits are on the same chromosome and are linked together.
Explanation:
When a scientist observes that two traits in a fruit fly are most often inherited together, it implies that these traits are likely linked. In genetics, linked genes are genes that are located on the same chromosome and tend to be inherited together because they are close to each other and do not assort independently. The correct answer is therefore that the traits are on the same chromosome and are linked together.
Linked genes result in traits that are commonly seen together. An example in humans could be the linkage between hair color and eye color, leading to combinations like blonde hair with blue eyes, or brown hair with brown eyes. Such linkages occur when genes are located near each other on the same chromosome, making them less likely to be separated during the crossing over process in meiosis.
What is true of mass extinctions?
A All life on Earth dies when a mass extinction happens
B In each mass extinction, over 50% of animal species died.
C Mass extinctions happen frequently.
D There is no evidence for past mass extinctions.
Answer: I think the answer is B
Explanation:
Answer:
b
Explanation:
mostly 99% of all species die
ASAP PLEASE IF YOU KNOW.
Which level of organization is formed from two or more different tissues that group together and perform a function?
Answer:
When two or more different tissues group together to perform a function is called Multi cellular organism.
Explanation:
Every living organism contain one or more cells.Those organisms which perform its function with the help of single cell are called Unicellular Organism. For example- Amoeba contain single cell through which they perform locomotion, reproduction etc.Organisms that are formed by more than one cell which form tissue and division of labour takes place.This type of organisms are called as multi cellular organism. For example, Human is the large multi cellular animal that contain many cells that form tissue and tissues together form organs. Thus a complex organisation takes place.For example, epithelial tissues that are found in skin surface, reproductive tract, inner digestive tract perform functions like secretion, excretion,absorption etc.An organ is the level of biological organization formed when two or more different tissues group together to accomplish a specific function. Organs like the stomach, heart, or brain are made up of tissues such as muscle and connective tissues, and these organs make up part of organ systems.
The level of organization that is formed from two or more different tissues that group together to perform a specific function is known as an organ. In multicellular organisms like humans, different tissues such as muscle tissue, connective tissue, and nervous tissue work in harmony to form organs, for example, the stomach, heart, or brain. These organs then collectively make up various organ systems, such as the digestive system, circulatory system, or nervous system, which contribute to the functioning of a living organism.
Understanding the structure and function of cells is crucial to comprehend the roles of tissues, and this knowledge, in turn, helps grasp how organs perform their functions. The study of epithelial and connective tissues provides insight into the complex interactions that enable organs to operate efficiently within living organisms.
Which VERY important process MUST occur prior to cell division and why?
Question 4 options:
Protein Synthesis must occur prior to cell division in order for cells to grow properly.
DNA Replication must occur prior to cell division because T bases should not be created in new cells.
DNA Replication must occur prior to cell division because DNA carries the coding or instructions for all cell function.
Transcription must occur prior to cell division because RNA needs to be able to leave the nucleus for cells to divide.
define photosynthesis
Answer: Photosynthesis is process of green plants and organisms use sun or UV light to synthesize from CO2 (carbon dioxide) and water to make food. Usually producing green pigment called chlorophyll (what makes leaves green) and oxygen as a byproduct which they do not need.
Explanation:
Photosynthesis is the process by which a plant uses carbon dioxide, water, sunlight, and minerals in the soil to create food.
(in the simplest matter)
What happens at the end of transcription? -apex
A) mRNA is put together from amino acids.
B) the double helix unwinds.
C) the transcription process stops.
D) RNA polymerase is guided to the correct place.
Answer:
The correct option is C) the transcription process stops.
Explanation:
At the end of transcription, the mRNA is generated and the process of transcription stops. Transcription can be described as the process by which mRNA is made form the DNA. After the process of transcription ends, the mRNA is transported to the ribosomes of the RER, where it is translated into the amino acids which join through peptide bonds to form proteins.
Answer:
A: the transription process stops
Explanation:
If oceanic carbon intake remains constant, what two factors decrease the amount of atmospheric carbon dioxide?
A: Decreasing the amount of soil and decreasing the amount of biomass.
B: Increasing amount of fossil fuels being burned and increasing soil production.
C: Increasing biomass and decreasing the amount of fossil fuels being burned.
Answer:
A
Explanation:
Biomass=Bad
Decreasing the amount of soil and decreasing the amount of biomass decrease the amount of atmospheric carbon dioxide. Hence option A is correct.
What factors affect the amount of atmospheric carbon dioxide?When animals breathe or decay (decompose), carbonate rocks are worn, forest fires happen, and volcanoes erupt, carbon dioxide is naturally released into the atmosphere. Human activities such as the combustion of fossil fuels, the destruction of forests, and the manufacture of cement all contribute to the atmospheric addition of carbon dioxide.
The primary cause of the rise in carbon dioxide concentrations is the use of fossil fuels by humans as a source of energy.
We are adding carbon to the atmosphere in only a few hundred years that plants removed from the atmosphere through photosynthesis over many millions of years in the form of fossil fuels like coal and oil. Hence, option A is correct.
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in multicellular organisms, life begins as a single cell until blank occurs
In multicellular organisms, life begins as a single cell until fertilization occurs.
Explanation:
In a multicellular organism, the gametes, that is haploid (single-celled n) eggs (female) and sperm cells (male) are fused by fertilization to form the zygote (2n). The zygote then undergoes several cycles of divisions to become an embryo and then foetus. After gestation, a full multicellular organism is formed.
All multicellular organism are started from single cells or germ cells from each parent.
Which cells in our bodies do not divide in our bodies?
Answer:
the answer is nerve cells
Which vitamins are not stored in body fat, and why?
Explanation:
Water-soluble vitamins (which dissolve in water), such as vitamin C and the B vitamins, are not stored in the body and must be replaced every day.
Answer:
Small amounts of vitamin A, vitamin D, vitamin E and vitamin K are needed to maintain good health. Fat-soluble vitamins will not be lost when the foods that contain them are cooked. The body does not need these vitamins every day and stores them in the liver and adipose (fat) tissue when not used.
The plasma membrane separates the __________ from the __________.
a. cytoplasm; nucleoplasm
b. interstitial fluid; cytoplasm
c. cytoplasm; mitochondria
d. interstitial fluid; blood
Answer: The right answer is a. cytoplasm; nucleoplasm
Explanation:
The plasma membrane separates the cytoplasm from the neucloplasm
Summarize how the climate of the Miocene epoch impacted the evolution of hominins
Answer with Explanation:
The Miocene epoch was deeply characterized by seasonal conditions, such as having more colder winters in the northern areas.
In the late Miocene, open vegetation system expanded. These included grasslands, woodlands and shrublands. As a result, more primates inhabited the area. Several habitats became diverse from each other, thus allowing the species to adapt, including their locomotion. For example, the species who used to live on trees, turn towards living on land (terrestrial life). Certain animals also came about such as pigs, giraffes, monkeys, etc. Scavenging hominins also scattered. When it comes to hominins, a major type of locomotion evolved called "bipedalism." This allowed the hominins to walk using the lower limbs (two feet).
Answer:
The Miocene epoch was deeply characterized by seasonal conditions, such as having more colder winters in the northern areas. In the late Miocene, the open vegetation system expanded. ... As a result, more primates inhabited the area.
Explanation:
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Which of the following would play the greatest role in biological resistance?
a) Genetic Drift
b) Gradualism
c) Natural Selection
Answer:
C) Natural selection..
Final answer:
Natural Selection is the key factor in biological resistance, influencing the adaptation and survival of populations over time.
Explanation:
Natural Selection plays the greatest role in biological resistance among the given options. Natural selection is the process by which specific traits that aid in survival are favored and passed on to future generations, leading to the adaptation of a population to its environment.
Genetic drift and gradualism also influence evolution but do not play as significant a role in biological resistance as natural selection does. Genetic drift is a random fluctuation in allele frequencies, while gradualism pertains to a slow, steady change over time.
For example: In a population of bacteria exposed to antibiotics, individuals with genetic variations that confer resistance to the antibiotic will survive and reproduce, passing on this resistance to their offspring. Over time, the population will become more resistant due to natural selection.
1. True or False: Bacteria are larger than human cells.
lisa
Fe
True
False
Bacteria are smaller than human cells. So the statement is false.
What is the size of a bacterial cell?Bacteria and archaea are classified under the domain prokarya. They are unicellular organisms found in a wide range of extreme environments.
Bacteria are known to exhibit a variety of shapes and sizes. Bacteria also vary in their way of an arrangement with their colony of bacterial cells.
Bacteria are mostly microscopic but some bacteria, large enough to be visible by the unaided eye have been observed. The size of bacteria generally ranges from 0.2 to 2.0 micrometers. The size of bacteria is a very important factor in their survival.
Bacteria are able to thrive in a variety of microenvironments due to their small size. The size of bacteria also contributes to their parasitic nature.
The high surface area to volume ratio allows them to take as many nutrients as possible.
Therefore, bacterial cells are smaller than human cells and the statement is false.
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Captive breeding
Definition
Answer:
many zoos, aquariums, and other institutions are involved in captive-breeding programs that try to breed endangered or threatened animals
Explanation:
Answer:
Captive breeding is the process of breeding animals in controlled environments within well-defined settings, such as wildlife reserves, zoos and other commercial and noncommercial conservation facilities.
Explanation:
Can someone help me with this ?
true or false questions. grade nine science exam.
What information is coded in the complex molecule?
who was the first person to discover lightning to be electricity…?
Answer:
Benjamin Franklin
Explanation:
REMEMBER THE KEY ON THE END OF THE KITE!
Final answer:
Benjamin Franklin was the first person to discover that lightning is a form of electricity through his kite experiment, influencing future scientific research in the field of electricity.
Explanation:
The first person to discover that lightning is a form of electricity was American polymath Benjamin Franklin. Through his experiment involving flying a kite during a thunderstorm, Franklin demonstrated that sparks drawn from a key tied to the kite string were similar to those produced by static electricity. This illustrated the direct connection between the grand scale of an electrical storm and electricity at a more human scale, contributing significantly to the understanding of electromagnetic forces. Franklin's innovative work initiated widespread exploration in the field of electricity, influencing other scientists like Luigi Galvani, who experimented with static electricity in frog muscles, and Alessandro Volta, who developed the first electric battery.
_____which is most likely to form a negative ion?
Plz help me
Final answer:
Atoms from nonmetals, especially in groups 16 and 17, are likely to form negative ions (anions), while metals will typically form positive ions (cations). Phosphorus (P) would form a P³⁻ anion, while magnesium (Mg) and aluminium (Al) form Mg²⁺ and Al³⁺ cations, respectively.
Explanation:
Formation of Ions and Expected Charges
In chemistry, atoms form ions to achieve a more stable electronic configuration that is similar to the nearest noble gas. Nonmetals, particularly those in groups 16 and 17, tend to gain electrons to become negatively charged anions. On the other hand, metals often lose electrons to form positively charged cations.
For example, phosphorus (P), being in group 15, would be expected to form a negative ion (P³⁻). Nonmetals with strong oxidizing properties, such as chlorine (Cl) and oxygen (O), form stable negative ions by gaining electrons, resulting in Cl⁻ and O²⁻ respectively.
In as much detail as possible, explain what crossing over is, including when it occurs, why it
occurs, and how it contributes to genetic variation: *
Explanation:
Crossing over is an important section of the normal segregation of the chromosomes in case of the meiosis. Crossing over happens due to the genetic variations, as the genetic materials gets alter at the time of crossing over. The chromatids that are bind together with the help of the centromere do not remain similar in this case. Crossing over gives rise to variation because the alternation takes place between the nonidentical chromatids having different characteristics or traits. Sometimes gives rise to completely new trait which is not present in both the parents this condition makes the . genetic diversity.
how do gloves help you stay safe in a laboratory
Answer:
in case of an accident you wont get it on your bare skin and hand.
Explanation:
you dont want to get hurt.
Answer:
Protection
Explanation:
gloves protect your hands from chemicals if they spill
How does a chemical reaction obey the law of conservation of matter?
A)The same number of reactant particles as product particles are involved in the reaction.
B)The same total number of chemical bonds are in the reactants as are in the products.
C)The same number of molecules appear in the reactants as appear in the products.
D)The total mass of the reactants is equal to the total mass of the products.
Answer:
D)The total mass of the reactants is equal to the total mass of the products.
Explanation:
Law of conservation of energy states that matter can neither be created nor be destroyed but it can change from one form to another.
In a chemical reaction, the total mass of the reactants and the total mass of products remains the same. The same amount of matter ends up in the product as was the total mass in the reactants. The conservation of mass will be depicted in a balanced chemical equation.
The correct answer is D) The total mass of the reactants is equal to the total mass of the products.
The law of conservation of matter states that matter cannot be created or destroyed in an isolated system. This means that the mass of the reactants at the beginning of a chemical reaction must be equal to the mass of the products at the end of the reaction. The law does not require that the same number of reactant particles, the same total number of chemical bonds, or the same number of molecules be present in the reactants and products. Instead, it is the total mass that remains constant.
For example, consider the chemical reaction where 2 hydrogen gas molecules (H2) react with 1 oxygen gas molecule (O2) to form 2 water molecules (H2O). The balanced chemical equation is:
[tex]\[ 2H_2 + O_2 \rightarrow 2H_2O \][/tex]
In this reaction, 4 hydrogen atoms (2 molecules of H2) and 2 oxygen atoms (1 molecule of O2) react to form 2 water molecules, each containing 2 hydrogen atoms and 1 oxygen atom. Although the number of molecules and the number of chemical bonds change during the reaction, the total mass of the reactants (4 hydrogen atoms + 2 oxygen atoms) is equal to the total mass of the products (2 water molecules, each containing 2 hydrogen atoms and 1 oxygen atom).
Therefore, the conservation of mass is upheld, as the mass of the reactants is equal to the mass of the products, which is the essence of the law of conservation of matter.
what aparatus do i need to test is a potato tuber cell conains chloroplasts
Potato tuber cells do not contain chloroplasts as they are grown inside the soil so no sunlight is required so no chloroplasts.
Explanation:
Instead of chloroplasts potato tubers consists of amyloplasts. In all plant cells, plastids are always there. They are required as it is the place where amino acids and fatty acids are made. Amyloplasts are the place of starch synthesis in non-green plants.
If you place the potato tuber in sunlight the amyloplast may get converted to chloroplasts.
A hand-held SPAD-502 plus chlorophyll meter device is to check the chloroplasts.
A cell is in_
when solute concentrations inside and outside the cell are equal.
concentration
equilibrium
solution
diffusion
Answer:
A cell is in equilibrium when solute concentrations inside and outside the cell are equal.
Explanation:
The equilibrium is state when the concentration of the system is same both inside and outside. There will be movement in the particles of the solute in which the cell is placed although its a equilibrium state. but the movement will not cause any further changes to the concentration of the solution because there will be movement of same and equal number of particle in the same direction. A cell in a human body cannot be in a equilibrium state because the human body requires a continuous and constant flow of materials into and out of the cell in order to keeps the metabolic pathways from attaining equilibrium so as to make the cell to do work throughout the life.
Using the terms hypertonic and hypotonic, describe the osmotic relationships of the solution within the dialysis bag versus the solution outside the bag.
Explanation:
By osmosis, due to the difference in osmotic pressure on either side of the membrane, the water passes through the membrane, which means that the water moves from high osmotic pressure / concentration regions to low pressure / concentration regions to a stable state. Thus, water moves from hypotonic regions (low solute concentration) to hypertonic regions (high solute concentration).
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In biology, osmosis is the diffusion of water across a semipermeable membrane. A hypertonic solution has a higher solute concentration, causing water to move into the bag. A hypotonic solution has a lower solute concentration, causing water to move out of the bag.
Explanation:Hypertonic and Hypotonic SolutionsIn biology, osmosis refers to the diffusion of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. When comparing the solution inside the dialysis bag and the solution outside the bag, we can determine their osmotic relationships.
Hypertonic SolutionA hypertonic solution has a higher solute concentration compared to the solution it is being compared to. If the solution inside the dialysis bag has a higher solute concentration than the outside solution, it is hypertonic. In this case, water will move from the outside solution into the dialysis bag, causing the bag to swell or gain water.
Hypotonic SolutionA hypotonic solution has a lower solute concentration compared to the solution it is being compared to. If the solution inside the dialysis bag has a lower solute concentration than the outside solution, it is hypotonic. In this case, water will move from inside the dialysis bag to the outside solution, causing the bag to shrink or lose water.
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What are the properties of a useful model of global systems
Answer:
"A model that shows global systems, the processes that operate within each system and the ways those systems and processes interact."
Explanation:
In the global system mainly four types of models interact or co-ordinate between each other. When we take an example of the ecosystem, these four models can be predation, parasitism and herbivore. Interaction takes place in such a way that one model gets the benefits while the other one gets affected. But when talk about mutualism, both of them gets benefited from the interaction. The basis of the global system property is firstly made by the species interaction.