A&P Chapter 7: Cell Growth and Development Study Guide Flashcards Preview

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Flashcards in A&P Chapter 7: Cell Growth and Development Study Guide Deck (43)
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1
Q
  1. Protein synthesis:

a. is required for cell growth.
b. begins with reading of the genetic “master code”
in the cell’s DNA.
c. influences all cell structures and functions.
d. all of the above.

A

d. all of the above

Answer on p. 121

2
Q
  1. In pairs forms a(n):

a. codon.
b. anticodon.
c. polymerase.
d. none of the above.

A

a. codon

Answer on p. 121

3
Q
  1. Transcription can best be described as the:

a. synthesis of DNA.
b. synthesis of any RNA molecule.
c. reading of any mRNA codons by tRNA.
d. entire set of DNA.

A

b. synthesis of any RNA molecule.

Answer on p. 128

4
Q
  1. Which of the following statements is true?

a. Complex polypeptide chains form tRNA.
b. The site of transcription is within the nucleus,
whereas the site of translation is in the cytoplasm.
c. Uracil is present in DNA in the place of
thymine.
d. None of the above is true.

A

b. The site of transcription is within the nucleus, whereas the site of translation is in the cytoplasm.

Answer on p. 124

5
Q
  1. A DNA molecule is characterized by all of the following except:

a. double-helix shape.
b. obligatory base pairing.
c. ribose sugar.
d. phosphate groups.

A

c. ribose sugar.

Answer on p. 121

6
Q
  1. Which of the following is not a characteristic of RNA?

a. It is single-stranded.
b. It contains uracil, not thymine.
c. The obligatory base pairs are adenine-uracil and
guanine-cytosine.
d. Its molecules are larger than those of DNA.

A

d. Its molecules are larger than those of DNA.

Answer on p. 122

7
Q
  1. Nucleic acids are synthesized directly on the DNA molecule with the help of:

a. enzymes.
b. prophase.
c. neoplasms.
d. lipids.

A

a. enzymes

Answer on p. 127

8
Q
  1. ______ Process that occurs when the double strands of a DNA segment separate and RNA nucleotides pair with DNA nucleotides.

a. mRNA
b. ribosome
c. tRNA
d. translation
e. transcription
f. complementary base pair

A

e. transcription

Answer on p. 123

9
Q
  1. ______ The type of RNA that carries information in groups of three nucleotides called codons, each of which codes for a specific amino acid

a. mRNA
b. ribosome
c. tRNA
d. translation
e. transcription
f. complementary base pair

A

a. mRNA

Answer on p. 123

10
Q
  1. ______ The type of RNA that has an anticodon and binds to a base pair–specific amino acid

a. mRNA
b. ribosome
c. tRNA
d. translation
e. transcription
f. complementary base pair

A

c. tRNA

Answers on p. 123

11
Q
  1. ______ The process involving the movement of mRNA with respect to the ribosome

a. mRNA
b. ribosome
c. tRNA
d. translation
e. transcription
f. complementary base pair

A

d. translation

Answer on p. 123

12
Q
  1. ______ Uracil-adenine

a. mRNA
b. ribosome
c. tRNA
d. translation
e. transcription
f. complementary base pair

A

f. complementary base pairs

Answer on p. 122

13
Q
  1. ______ The site of translation

a. mRNA
b. ribosome
c. tRNA
d. translation
e. transcription
f. complementary base pair

A

b. ribosome

Answer on p. 124

14
Q
  1. The correct order of mitosis is:

a. prophase, metaphase, anaphase, telophase.
b. anaphase, telophase, metaphase, prophase.
c. prophase, anaphase, metaphase, telophase.
d. none of the above.

A

a. prophase, metaphase, anaphase, telophase.

Answer on p. 129

15
Q
  1. The total of 46 chromosomes per cell is referred to as:

a. haploid.
b. diploid.
c. myoid.
d. none of the above.

A

b. diploid.

Answer on p. 131

16
Q
  1. A type of cell division that occurs only in primitive sex cells during the process of becoming mature sex cells is:

a. mitosis.
b. meiosis.
c. gamete.
d. differentiation.

A

b. meiosis.

Answer on p. 131

17
Q
  1. Splitting of the plasma membrane and cytoplasm into two during cell reproduction is called:

a. mitosis.
b. meiosis.
c. anaphase.
d. cytokinesis.

A

d. cytokinesis.

Answer on p. 129

18
Q
  1. Cell reproduction is sometimes referred to as the:

a. A phase.
b. R phase.
c. M phase.
d. X phase.

A

c. M phase.

Answer on p. 128

19
Q

Fill in the blanks.
24. The phase of mitosis known as the completion phase is _________________.

A
  1. telophase

Answer on p. 130

20
Q

Fill in the blanks.
25. The phase of mitosis known as the apart phase is _________________.

A
  1. anaphase

Answer on p. 130

21
Q

Fill in the blanks.

26. The position-changing phase of mitosis is _________________.

A
  1. metaphase

Answer on p. 130

22
Q

Fill in the blanks.

27. When a cell is not experiencing mitosis and is “between phases,” it is said to be in _________________.

A

interphase

Answer on p. 129

23
Q

Fill in the blanks.

28. When a cell begins to divide, it is said to be in the before phase, or _____________.

A

prophase

Answer on p. 129

24
Q

True or False
29. ______ Atrophy refers to a decrease in cell size.

A

True

Answer on p. 132

25
Q

True or False

30. ______ Genetic disorders are mutations in a cell’s
genetic code.

A

True

Answer on p. 133

26
Q

True or False

31. ______ Cell death due to injury or a pathologic
condition is known as necrosis.

A

True

Answer on p. 132

27
Q

True or False

32. ______ Viruses do not contain DNA or RNA.

A

False

Answer on p. 133

28
Q

True or False

33. ______ A blood disease caused by the production of abnormal hemoglobin is known as sickle cell anemia.

A

True

Answer on p. 133

29
Q
  1. The genetic code for a particular protein is passed from DNA to mRNA by a process known as:

a. transcription.
b. translation.
c. interphase.
d. genome.

A

a. transcription

Answer on p. 122

30
Q
  1. If a strand of DNA has a base sequence of AGGC, the complementary pair for that strand will be:

a. TCCG.
b. CCTG.
c. TTCG.
d. TUUG.

A

a. TCCG

Answer on p. 121

31
Q
  1. The spindle fibers attach to each chromatid during which stage of mitosis?

a. prophase
b. anaphase
c. telophase
d. metaphase

A

d. metaphase

Answer on p. 130

32
Q
  1. Which of the following is not true of RNA?

a. It is a single strand.
b. It contains uracil rather than thymine.
c. The base pairs are adenine and uracil and
guanine and cytosine.
d. It contains deoxyribose sugar.

A

d. It contains deoxyribose sugar.

Answer on p. 122

33
Q
  1. During which stage of mitosis does the cleavage furrow begin to develop?

a. prophase
b. metaphase
c. anaphase
d. telophase

A

c. anaphase

Answer on p. 130

34
Q
  1. All of the DNA in each cell of the body is called the:

a. tissue typing.
b. genome.
c. gene.
d. genetic code.

A

b. genome.

Answer on p. 126

35
Q
  1. If the sequence of bases in a nucleic acid were AUCGA, which of the following statements would be true?

a. The nucleic acid would contain deoxyribose.
b. It is a strand of DNA.
c. It is a strand of RNA.
d. It will remain in the nucleus of the cell.

A

c. It is a strand of RNA.

Answer on p. 122

36
Q
  1. In which stage of mitosis do chromosomes move to opposite ends of the cells along the spindle fibers?

a. anaphase
b. metaphase
c. prophase
d. telophase

A

a. anaphase.

Answer on p. 130

37
Q
  1. The synthesis of proteins by ribosomes using information coded in the mRNA molecule is called:

a. translation.
b. transcription.
c. replication.
d. crenation.

A

a, translation.

Answer on p. 123

38
Q
  1. Translation can be inhibited or prevented by a process called:

a. cytokinesis.
b. cell division.
c. RNA interference.
d. meiosis.

A

c. RNA interference

Answer on p. 125

39
Q

Fill in the Blanks
51. The DNA molecular structure allows only two combinations of bases to occur. This is known as _____________ ____________ ______________.

A

obligatory base pairing

Answer on p. 121

40
Q

Fill in the Blanks

52. The complete set of proteins synthesized by a cell is called the _______________ of the cell.

A

proteome

Answer on p. 126

41
Q

Fill in the Blanks

53. The shape of a DNA molecule is referred to as a ________________ ________________.

A

double helix

Answer on p. 121

42
Q

Fill in the Blanks
54. ________________ is the type of cell division that occurs only in primitive sex cells during the process of becoming mature sex cells.

A

Meiosis

Answer on p. 131

43
Q

Fill in the Blanks

55. Mature sex cells are called ___________________.

A

gametes

Answer on p. 131