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ANATOMY AND PHYSIOLOGY 1 MIDTERM REVIEW 180 ACTUAL EXAM QUESTIONS AND ANSWERS
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ANATOMY AND PHYSIOLOGY 1 MIDTERM REVIEW 180 ACTUAL EXAM QUESTIONS AND ANSWERS
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ANATOMY AND PHYSIOLOGY 1MIDTERM REVIEW 180 ACTUAL
EXAM QUESTIONS AND ANSWERS
2024-2025.
1. Because they are embedded within the membrane, ion channels are
examples of ________ Correct Answer - integral proteins
2. The diffusion of substances within a solution tends to move those
substances ________ their ________ gradient Correct Answer - down;
concentration
3. Ion pumps and phagocytosis are both examples of ________ Correct
Answer - active transport
4. Choose the answer that best completes the following analogy: Diffusion is
to ________ as endocytosis is to ________ Correct Answer - solutes; fluid
5. Choose the term that best completes the following analogy Correct Answer
- Cytoplasm is to cytosol as a swimming pool containing chlorine and
flotation toys is to
________ Correct Answer - the water
6. The rough ER has its name due to what associated structures? Correct
Answer - ribosomes
7. Which of the following is a function of the rough ER? Correct Answer -
production of proteins 8. Which of the following is a feature common to all
, three components of the cytoskeleton? Correct Answer - They are all
polymers of protein subunits.
9. Which of the following organelles produces large quantities of ATP when
both glucose and oxygen are available to the cell? Correct Answer -
mitochondria
10. The nucleus and mitochondria share which of the following features?
Correct Answer - a double cell membrane
11. Which of the following structures could be found within the nucleolus?
Correct Answer - ribosomes
12. Which of the following sequences on a DNA molecule would be
complementary to GCTTATAT? Correct Answer - CGAATATA
13. Place the following structures in order from least to most complex
organization Correct Answer - DNA, nucleosome, chromatin,
chromosome
14. Which of the following is part of the elongation step of DNA synthesis?
Correct Answer - attaching complementary nucleotides to the template strand
15. Which of the following is not a difference between DNA and RNA?
Correct Answer - DNA contains alternating sugar-phosphate molecules
whereas RNA does not contain sugars
16. Transcription and translation take place in the ________ and ________,
respectively Correct Answer - nucleus; cytoplasm
17. How many "letters" of an RNA molecule, in sequence, does it take to
provide the code for a single amino acid? Correct Answer - 3
18. Which of the following is not made out of RNA? Correct Answer - the
intron
, 19. Which of the following phases is characterized by preparation for DNA
synthesis? Correct Answer - G1
20 A mutation in the gene for a cyclin protein might result in which of the
following? Correct Answer - any of the above (a cell with additional genetic
material than normal, cancer, a cell with less genetic material than normal)
21. What is a primary function of tumor suppressor genes? Correct Answer
- stop certain cells from dividing
22. Arrange the following terms in order of increasing specialization:
oligopotency, pleuripotency, unipotency, multipotency Correct Answer -
pleuripotency, multipotency, oligopotency, unipotency
23. Which type of stem cell gives rise to red and white blood cells? Correct
Answer - hematopoietic
24. What multipotent stem cells from children sometimes banked by
parents? Correct Answer - cells from the umbilical cord and from baby teeth
25. What type of diffusion is of a substance with the aid of a membrane
protein? Correct Answer - facilitated diffusion
26. What is the third stage of mitosis (and meiosis), during which sister
chromatids separate into two new nuclear regions of a dividing cell? Correct
Answer - anaphase 27. What is the term used to describe the "skeleton" of a
cell that is formed by rod-like proteins that support the cell's shape and
provide, among other functions, locomotive abilities? Correct Answer -
cytoskeleton
28. What term describes the condition of being committed to a single
specialized cell type? Correct Answer - unipotent
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