QUESTION 1 Qhich of the following is true for nucleoli? a. tRNAs are \'charged\'

Question

QUESTION 1

Qhich of the following is true for nucleoli?

a. tRNAs are 'charged' at this location

b. the DNA of nucleoli encode the cells' rRNA genes, which are clustered into one area

c. the nuceloli are organized around replication factories

d. nucleoli are membrane-bound structures present in the eukaryotic nucleus

QUESTION 2

Which of the following is not found in the nucleus?

a. Cajal bodies

b. PML bodies

c. nuclear freckles

d. nuclear speckles

QUESTION 3

Individual chromosomes occupy discrete territories within the nucleus.

True or False

QUESTION 4

Facultative heterochromatin is chromatin that contains?

a. sequences inactive in one cell type but active in others

b. a mixture of heterochromatin and euchromatin

c. DNA sequences that are not transcribed at all

d. heterochromatin that functions in ways other than for transcription

QUESTION 5

Which of the following is NOT a component of the nucleus?

a. nuclear lamina

b. nuclear pores

c. perinuclear space

d. nuclear ventricles

QUESTION 6

Newly replicated DNA is located in a few hundred spots in the nucleus because there are?

a. a few hundred origins of replication per nucleus

b. a few thousand origins of replication but only a few hundred are active at any one time

c. a few thousand origins of replication active at any one time, but they are located in a few hundred discrete clusters

d. none of the above

QUESTION 7

Chromatin domains are small units of chromosomes with one promoter, one enhancer, and one coding region.

True or False

QUESTION 8

The principle difference between eukaryotic and prokaryotic cells is that eukaryotic cells have?

a. a nucleus, while prokaryotic cells do not

b. DNA replication and transcription in the same compartment, while prokaryotic cells do not

c. larger ribosomes than prokaryotic cells

d. cells walls, while prokaryotic cells do not

QUESTION 9

The nucleolus is the site where ______ is/are assembled.

a. ribosomal subunits

b. the nuclear matrix

c. nuclear pores

d. chromatin

QUESTION 10

Nuclei are composed of an inner and outer membrane.

True or False

Explanation / Answer

1. Answer (b)
2. Answer (c)
3. Answer True
4. Answer (a)
5. Answer (d)
6. Answer (c)
7. Answer False
8. Answer (a)
9. Answer (a)
10. Answer True

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.