Cells and Body Systems Unit Test

Questions:
1.Compare hypertonic, hypotonic, and isotonic solutions. When an environment is hypotonic, what happens to the cell?
2.The genetic material of the eukaryotic cell is stored inside which organelle?
3.If eukaryotes all came about due to endosymbiosis, what would result from that?
4.Which type of microscopes was developed most recently?
5.What is the unique function of central vacuoles in a plant cell?
6.Neurotransmitter release is an example of ________.
7.How are new viruses made?
8.Compare and contrast a provirus and viral DNA.
9.Why is the common cold virus difficult to cure in humans?
10.The nervous system is responsible for
11.Which is the function of the esophagus?
12.Summarize the functions of the nervous system.
13.Which animal is often used to model human body systems?
14.Alternation of generations in plants permits
15.Unlike ferns, angiosperms use ________ to contain their embryos.
16.Use the scenario to answer the question.
You observe the growth of a group of plants that have been tipped over.
How will auxin influence cell growth in the roots of these plants?
17.Essay
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19.Essay
20.Essay

Answers:
1.The cell has more solute, so solvent moves from outside the cell to inside, causing the cell to swell.
2.nucleus
3.similar structures in eukaryotes with slight variations depending on their use
4.scanning tunneling microscope
5.they store water
6.paracrine signaling
7.viral DNA or RNA copied by a host cell
8.A provirus is viral DNA incorporated into the host cell’s DNA.
9.It possesses a viral genome that mutates very quickly.
10.receiving and processing stimuli from the body.
11.connect the mouth with the stomach
12.The nervous system controls the digestive system by sending signals to the stomach, telling it to contract and digest food.
13.pig
14.both mitosis and meiosis.
15.seeds
16.Auxin will build up on the lower side of the root and inhibit cell growth.
17.Essay
18.Essay
19.Essay
20.Essay

(You can trust my answers if YOU want too)
-coconut

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  1. is this 100% correct @coconut

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  2. @coconut is correct thx i got 16/16

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  3. the changed the questions. but the ones that are still there are correct.

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  4. 1. Compare hypertonic, hypotonic, and isotonic solutions. When an environment is hypotonic, what happens to the cell?
    The cell has more solute, so solvent moves from outside the cell to inside, causing the cell to swell.

    2. Which process is shown in the image?
    endocytosis

    3. For what kind of external environment is a saltwater fish adapted?
    hypertonic environment

    4. Compare plant and animal cells. Which type of cell has a cell wall?
    plant cell

    5. Which biological molecules do tRNA carry?
    amino acids

    6. Which of the following best describes the function of the ribosomes in eukaryotic cells?
    decodes the sequence of bases on the mRNA and then creates specific proteins

    7. What is the unique function of central vacuoles in a plant cell?
    they store water

    8. Which type of cells have a high concentration of mitochondria?
    heart cells

    9. Plants prefer hypotonic environments because
    the excess water that enters the cell allows the central vacuole to maintain turgor pressure.

    10. The nervous system is responsible for
    receiving and processing stimuli from the body.

    11. Which is the function of the esophagus?
    connect the mouth with the stomach

    12. Summarize the functions of the nervous system.
    The nervous system controls the digestive system by sending signals to the stomach, telling it to digest food.

    13. Which animal is often used to model human body systems?
    pig

    14. Compare types of models. Which model best illustrates the formation of blood cells?
    computer-generated model

    These answers are 100% correct use them if u want ur grade to go up :)
    you're welcome <3

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  5. Thanks u so much i got a 100 its correct

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