Cell Biology Chapter 15

49 Questions | By Freneew600 | Updated: Mar 22, 2022 | Attempts: 162

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We are deep into our studies on all there is to learn about the topic of cells – under the overlying umbrella that is the scientific topic of biology – but we’re not done quite yet. Take a look at chapter 15 and see if you really know your stuff, or if you need to study that little bit harder.

Questions and Answers

1.

highly compacted radial loops remain anchored to a scaffold formed from proteins in the nuclear matrixWhat type of Chromosome?
- A.
  
  Anaphase
- B.
  
  Metaphase
- C.
  
  Telophase
- D.
  
  Prophase
- E.
  
  Interphase
2.

Highly compacted and transcriptionally inactive – Some localized regions in nondividing cells
- A.
  
  Heterochromatin
- B.
  
  Euchromatin
3.

– Less condensed and capable of gene transcription – Most chromosomal regions in nondividing cells
- A.
  
  Heterochromatin
- B.
  
  Euchromatin
4.

Most transcriptional activities _____ during cell division.
- A.
  
  Begin
- B.
  
  Cease
- C.
  
  Pause
- D.
  
  Elongate
5.

Where can acetylation, methylation, and phosphorylation be found?
- A.
  
  DNA backbone
- B.
  
  RNA
- C.
  
  Chromosome
- D.
  
  Amino terminal tail
6.

For a diploid human cell, 2 complete sets of chromosomes from a single cell constitute a ________ of that cell.
7.

Protein synthesis for M phase happens in which of the following phases?
- A.
  
  G1
- B.
  
  S
- C.
  
  G2
8.

What type of cell division has the following: A cell divides to produce 2 new cells genetically identical to the original • Original called mother, new cells called daughters • Involves mitosis and cytokinesis • Can be for asexual reproduction or for production and maintenance of multicellularity
9.

What is responsible for organizing and sorting the chromosomes during mitosis?
10.

Two sucessive cell divisions but only one DNA duplication resulting in what? 2 answers
11.
12.
- A.
  
  Interphase
- B.
  
  Prophase
- C.
  
  ProMetaphase
- D.
  
  Metaphase
- E.
  
  Anaphase
13.
- A.
  
  Interphase
- B.
  
  Prophase
- C.
  
  ProMetaphase
- D.
  
  Metaphase
- E.
  
  Anaphase
14.
- A.
  
  Prophase
- B.
  
  Prometaphase
- C.
  
  Metaphase
- D.
  
  Anaphase
- E.
  
  Telophase and Cytokinesis
15.
- A.
  
  Prophase
- B.
  
  Metaphase
- C.
  
  Anaphase
- D.
  
  Telophase
16.
- A.
  
  Prophase
- B.
  
  Metaphase
- C.
  
  Anaphase
- D.
  
  Telophase and Cytokinesis
17.
- A.
  
  Prophase
- B.
  
  Metaphase
- C.
  
  Anaphase
- D.
  
  Telophase and Cytokinesis
18.

Which stage of Meiosis does crossing over occur and the cell divides but does not split the chromosomes?
- A.
  
  Meiosis I
- B.
  
  Meiosis II
- C.
  
  Mitosis
19.

What occurs in cells within the testes or ovaries to produce gametes?
20.

When a sperm and egg unite what do they form?
21.

In animals which is dominant diploid or haploid?
22.

In fungi which is dominant diploid or haploid?
23.

In plants which is dominant diploid or haploid?
24.

What is The characterization of the chromosomal complement of an individual or a species, including number, form, and size of the chromosomes?
25.

Chemical dye gives a distinctive ______ pattern.