What is the function of the lysosome in eukaryotic cells?
The lysosome uses messenger RNA to synthesize proteins.
The lysosome secretes enzymes to break down large molecules.
The lysosome modifies proteins and sends them to where they are needed.
The lysosome takes in nutrients and breaks them down to provide energy for the cell.
The function of the lysosome in eukaryotic cells is as follows:
The lysosome secretes enzymes to break down large molecules.Thus, the correct option for this question is B.
What are Lysosomes?Lysosomes may be defined as a type of membrane-bound cell organelle that contains numerous enzymes in order to break down complex organic materials. These enzymes are significantly made by rough ER.
Lysosomes are absent in RBCs, and few plant cells, yeast, fungi, blue-green algae, etc. Lysosomes destroy any foreign material inside the cell such as bacteria.
Lysosomes contain about 40 digestive enzymes. If the cell damages the lysosomes burst and their enzymes digest their own cell so they are known as the su*c*dal bag of the cell. These cell organelles also eliminate poorly working cellular organisms by digesting them.
Therefore, the correct option for this question is B.
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Mercury contamination is a concern with every type of fish.
Bob has a viral infection. What is the most likely first line of defense in his body? The body will produce insulin. The body temperature will increase. The body will drop the blood pressure. The body will start sweating.
The correct answer is B) The body temperature will increase.
Bob has a viral infection. The most likely first line of defense in his body is "The body temperature will increase."
You have to pay attention to your body's signals. If you have an infection, the body tries to communicate with you via fever so you can take any action such as going to the medical doctor. Other general symptoms of infection could be nausea, fatigue, headache, and swollen lymph nodes. So always listen to what your body has to say because it is smart and wants you to prevent or solve any health issues.
In an area with plants that have thick, small leaves or no true leaves at all, which of the following other conditions are most likely to exist as well?
It is near 30° latitude north or south or on the leeward side of a mountain range.
Moist air is rising over the area.
Night temperatures are much colder than daytime temperatures.
The soil has a thick layer of decomposed, nutrient-rich organic material.
There is an extremely high diversity of species in the area.
There is little rainfall and frequent fires regularly cut the vegetation to the ground.
A. 2 and 5
B. 1 and 3
C. 3 and 4
D. 4 and 6
Answer:
Correct option is B.
Explanation:
Did the pretest for it awhile back.
What is the job of the arrector pili muscle how is this related to the phenomenon called goosebumps?
true or false Mechanical weathering is more rapid in warm, wet climates
The answer to the question is False
The given statement is False
Mechanical weathering is the process by which the large rocks are broken down into small ones. This process takes place near the surface of the planet. The hot days and cold nights also plays a major role in mechanical weathering. Rocks and plants also push the rocks and break them. The mechanical weathering is more frequent in cold climates; this is because the sunny day and the frozen nights help in contraction and relaxation of rocks those lads to mechanical weathering.
Evidence indicates that the most probable long-term effect of smoking marijuana is
The evidence that indicates that the most probable cause of long term effect or usage of smoking marijuana is that it causes the person who is using this to have their respiratory system to be damaged as it is also associated with respiratory problems.
Why might a seat in the senate be more attractive to a candidate than a seat in the house?
A Senate seat may be more attractive to candidates than a House seat due to longer terms, fewer members, statewide representation, influence in confirming appointments, a higher profile, and involvement in foreign policy, offering a broader and more influential platform.
A seat in the Senate may be more attractive to a candidate than a seat in the House of Representatives for several reasons:
1. Longer Terms: Senators serve six-year terms, while members of the House serve two-year terms. Longer terms can provide greater stability and allow senators more time to focus on their legislative priorities without the constant pressure of re-election.
2. Fewer Members: The Senate has 100 members, whereas the House has 435 members. With a smaller body, senators may have more individual influence and opportunities for leadership positions.
3. Statewide Representation: Senators represent an entire state, which can provide a broader platform and the chance to address statewide issues, while House members represent smaller congressional districts.
4. Advise and Consent: The Senate has the power to confirm or reject presidential nominations for executive and judicial positions, providing senators with a role in shaping the federal government's direction.
5. Higher Profile: The Senate often attracts more media attention and is seen as a higher-profile legislative body, which can be appealing to candidates seeking a more prominent role in the national political landscape.
6. Foreign Policy: The Senate plays a significant role in foreign policy and international treaties, which can be an attractive prospect for candidates interested in global affairs.
While the attractiveness of a Senate seat may vary for individual candidates based on their goals and priorities, these factors can make Senate positions more appealing to certain candidates compared to House seats.
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If you were a scientist examining the DNA sequence of two known organism that you hypothesize share a common ancestor, what evidence would you expect find?
The disease rabies is caused by a virus that attacks the central nervous system. the virus is normally introduced by an animal bite that breaks the surface of the skin. since the virus is not motile, how does it travel to the central nervous system
The rabies virus, attaches itself to the cells so they are transported through the body.
What are the effects of rabies virus infection?Rabies is a preventable viral disease most often transmitted through the bite of a rabid animal. The rabies virus infects the central nervous system of mammals, ultimately causing disease in the brain and death.
Once clinical signs of rabies appear, the disease is nearly always fatal, and treatment is typically supportive. Less than 20 cases of human survival from clinical rabies have been documented. Only a few survivors had no history of pre- or postexposure prophylaxis.
Rabies is usually spread through an animal bite. Animals most likely to spread rabies include dogs, bats, coyotes, foxes, skunks, and raccoons.
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How is starch broken down to glucose prior to glycolysis?
Which of these endocrine glands is located just above a kidney?
Answer:
it's the adrenal gland :)
Explanation:
anaerobic respiration converts glucose into energy and by-products like ethanol carbon dioxide or lactic acid this is possible because carbon can
Answer:
be burned to produce oxygen and energy for cells
Explanation:
How does the rate of extinction compare to the rate of species formation on earth today?
The rate of extinction is faster.
Cardiovascular exercise _____. utilizes large muscle groups does not burn many calories increases your flexibility greatly increases muscle strength
With a new baby, your sleep has been interrupted so frequently that you have been deprived of rem sleep for several days. how might this affect you?
Lack of REM sleep can lead to cognitive and emotional difficulties like memory trouble and mood swings, and in extreme cases can contribute to hallucinations or aspects of psychosis. Physical health may also be affected as it's the time for tissue repair and immune system boosting.
Explanation:Being deprived of REM sleep for several days can have multiple effects on you. REM sleep is a deep phase of sleep where most dreaming occurs and it is thought to play a role in learning, memory, and mood regulation. Lack of this sleep can result to cognitive and emotional issues. It might lead to memory trouble, difficulty concentrating, mood swings, or even depression. In extreme cases, REM sleep deprivation can contribute to hallucinations or other aspects of psychosis. Also, your physical health may be affected, because during REM sleep your body has the time to repair tissues and cells, and to boost the immune system. Therefore, significant lack of REM sleep may also leave you more prone to illnesses.
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If we assume that, in the African savanna, the predator population remains constant, what other, nonmobile, factor would influence the antelope population? A) human presence B) other antelope C) available grass D) competition from zebra
its C , i took the testt trustt
The process by which molecules such as oxygen are moved into cells along their concentration gradient directly through the cell membrane is called
The cells that make up muscle tissues are highly specialized for the process of
The cells that make up muscle tissue are highly specialized for the process of producing the process or way of contracting or contraction in which this is vital with the muscles in order to produce contraction when having to move or flex specific types or parts of the body.
The use of nuclear energy can have both positive and negative consequences. Which of the following is a positive consequence of using nuclear energy?
a.
Nuclear energy uses nonrenewable resources.
b.
Nuclear energy produces little air pollution.
c.
Uranium ore used for nuclear power plants must be mined and processed.
d.
Nuclear energy has no environmental impact.
Answer: b.
Nuclear energy produces little air pollution.
Explanation:
Nuclear energy is the energy which is obtain from the nucleus of an atom. It can be obtain by continuous and simultaneous fission and fusion reactions. The energy is produced in the form of thermal energy. The heavy metal atom is bombarded with radiation to cause either fusion or fission. The thermal energy produced is used for the purpose of generation of electricity.
This kind of energy generation takes place in a controlled condition. As if the radiations generated in the process and the thermal energy can cause damage to the surrounding environment if get leaked. As the thermal energy and the gases produced does not release into the surrounding environment. Hence, this type of energy produces little air pollution.
Plants are green because the pigments in plants reflect green light. Blue and red light give them the most energy to power photosynthesis. You are conducting an experiment to see how different colors of light affect the growth of plants. You place three small plants in separate pots. You place container A under normal sunlight, B under green light, and C under red light. Make a prediction about the amount of growth each plant will show after 4 weeks. Explain your prediction.
In which of the following ways are DNA and mRNA similar?
a. They are both always kept in the nucleus to keep them safe from damage.
b. They are both double-stranded and must be unzipped during replication and transcription.
c. They both contain the entire genetic sequence of the original DNA from their parent cell.
d. They both copy genetic code by forming a complementary sequence of nucleotides with an existing strand of DNA.
which advancement in technology has helped cut down on waste?
Electronic transfer of music files
The loss of an embryo or fetus during the first 20 weeks of pregnancy is referred to as a miscarriage or __________.
Answer:
The loss of an embryo or fetus during the first 20 weeks of pregnancy is referred to as a miscarriage or __________.
spontaneous abortion.
Explanation:
A miscarriage or spontaneous abortion is the loss of a fetus inside the first 20 weeks of pregnancy. It is called that because the women have not developed the rights conditions to carry the fetus into its final stage. The majority of miscarriages happen in the first 12 weeks of pregnancy and they are due to age, substance influence, diabetes, and thyroid problems. Which develop in most of the cases chromosomal abnormalities.
Why do scientists use Linnaeus’ system of binomial nomenclature for naming organisms
Answer:
for plato users, the answer is: It gives each different type of organism just one scientific name.
How do chloroplasts get energy from sunlight answer key?
Answer:
Chloroplasts obtain energy from sunlight when light is absorbed by chlorophyll molecules. This causes excitation of electrons that provide high energy and are captured by photosystems, present in chloroplasts.
Explanation:
Chloroplasts are cytoplasmic organelles of extreme importance, because it is through them that the first stage of photosynthesis occurs, the light-dependent stage.
It is in chloroplasts that chlorophyll is found, which is the main responsible for the absorption of sunlight necessary for photosynthesis. When chlorophyll absorbs sunlight, an excitation of electrons occurs that ends up being absorbed by the photosystems present in the chloroplasts.
Chloroplasts get energy from sunlight through photosynthesis. Chlorophyll molecules in the photosystems absorb light energy and use it to excite electrons from the splitting of water. This energy is then used to produce ATP and NADPH, which are used in the Calvin cycle to make sugar molecules.
Chloroplasts harness energy from sunlight through a process called photosynthesis. Here's how chloroplasts get energy from sunlight:
Light Absorption: Chloroplasts contain pigments, primarily chlorophylls, which are specialized molecules capable of absorbing light energy from the sun. These pigments are located in the thylakoid membranes of the chloroplasts.Photon Absorption: When chlorophyll molecules in the chloroplasts absorb photons (particles of light), they become excited. This energy excites the electrons within the chlorophyll molecules to higher energy states.Electron Transport: Excited electrons from chlorophyll molecules are passed through a series of proteins embedded in the thylakoid membranes. This process is called the electron transport chain.Generation of ATP: As the excited electrons move through the electron transport chain, they release energy. This energy is used to pump protons (hydrogen ions) across the thylakoid membrane, creating a concentration gradient.ATP Synthesis: The buildup of protons in the thylakoid space creates potential energy. This potential energy is used to drive ATP synthase, an enzyme that synthesizes adenosine triphosphate (ATP) from adenosine diphosphate (ADP) and inorganic phosphate (Pi). ATP is an energy-rich molecule.NADPH Formation: In addition to ATP, another molecule called NADPH (nicotinamide adenine dinucleotide phosphate) is also generated during the light-dependent reactions of photosynthesis. NADPH carries high-energy electrons and serves as a reducing agent in the subsequent dark reactions (Calvin cycle) of photosynthesis.Carbon Fixation: The ATP and NADPH produced during the light-dependent reactions are used in the dark reactions of photosynthesis to fix carbon dioxide (CO2) from the atmosphere into organic molecules like sugars. This process is known as carbon fixation and takes place in the stroma of the chloroplast.In summary, chloroplasts use the energy from absorbed sunlight to drive the conversion of carbon dioxide and water into glucose and other organic compounds through the process of photosynthesis. This process transforms solar energy into chemical energy stored in the form of ATP and NADPH, which can then be used by the cell for various metabolic processes.
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Salts (such as halite) that are left behind when water evaporates are called:
Which physical characteristic of the neonate is typically present in the neonate of a primigravid mother?
When your cells go through cellular respiration what is produced from this process?
Explain why the scientific method may not follow the exact same steps each time through the process.
The scientific method is the process used by scientists in the study of phenomena, in order to arrive at a reliable knowledge of the laws that govern them. The investigation in the context of science is done with specific and clearly defined procedures, which constitute the scientific method.
Thus, the scientific method uses a series of structured steps in order to reach said knowledge, moving from a first approximation to the subsequent hypothesis, the verification tests and a possible law that makes the knowledge acquired through a pattern effective.
Now, these systems of the scientific method are not always the same, but vary according to the specific needs of each question investigated, as science is a very broad field of study where each investigation covers very different questions from each other, with which the investigations will also be.
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