PRO VS EUK

Question 1

Prokaryotes & Eukaryotes have a cell nucleus
* False
* True

Answer 1

false

Question 2

A pseudogene always next to the real gene from which it was derived
Select one:
* True
* False

Answer 2

False

Question 3

Bacteria have along their genome circa
Select one:
* 20 -30 genes
* 200-300 genes
* 2000-3000 genes
* 20000-30000 genes

Answer 3

2000-3000

Question 4

In Eukaryotes DNA replication is coiled around
Select one:
* Nucleosomes
* Transcription complexes
-Chromatin
* Histones

Answer 4

Histones

Question 5

Telomerase is composed of
* Select one:
* RNA
* protein
-Protein & RNA
* Glycosylated Protein

Answer 5

Protein and RNA

Question 6

A nucleosome consists of
Select one:
* RNA wrapped around histones
Glycosylated proteins wrapped around DNA
* Histones wrapped around DNA
* None of the above

Answer 6

None of the above

Question 7

Collectively the initiator box, TATA box, & Upstream element constitute a…
Select one:
* bacterial operon
-bacterial operator
* eukaryotic promotor region
* bacterial promotor region

Answer 7

eukaryotic promoter region

Question 8

In eukaryotes, the primary transcript RNA consists of.
Select one:
exons & introns
* Intonic regions
* Exonic regions
capped and tailed exonic regions

Answer 8

exons and introns

Question 9

Telomeres are sequences that are found..
Select one:
-at the ori sequence of bacterial chromosomes
* at the ends of linear chromsomes
-on bacterial plasmids
* in the middle of a chromosome adjacent to the centromere

Answer 9

at the ends of linear chromosomes

Question 10

The transcription of eukaryotic genes requires the participation of enhancer sequences. Enhancer sequences are made of..
Select one:
* DNA
O RNA
O lipids
* proteins

Answer 10

DNA

Question 11

tRNA is characterized by having a
Select one:
* poly A tail
* poly Tail
O poly U tail
None of the above

Answer 11

None of the above

Question 12

Without having recognizable start codons, a molecule of mRNA could potentially have
Select one:
* One Reading Frame
Two Reading Frames
Three Reading Frames
O Four Reading Frames

Answer 12

Three reading frames

Question 13

A chromatid is…
Select one:
* a pair of identical chromosomes joined to each other
-a chromosome
* a long single-stranded DNA molecule
* a short-double stranded DNA molecule

Answer 13

a pair of identical chromosomes joined to each other

Question 14

In eukaryotes, replication of DNA always starts with the addition of
Select one:
* An oligopeptide
* A DNA primer
* A synthetic primer
* An RNA primer

Answer 14

an RNA primer

Question 15

DNA is maximally condensed to form a double helix
Select one:
- True
* False

Answer 15

False

Question 16

The intronic regions of eukaryotic genes are translated into proteins
Select one:
* True
* False

Answer 16

false

Question 17

Alternative splicing ultimately results in the production of different proteins from the same gene.
Select one:
* True
- False

Answer 17

True

Question 18

In eukaryotes RNA polymerase 11.
Select one:
* transcribes ribosomal RNA
* transcribes protein-coding RNA
* transcribes tRNA
* None of the above

Answer 18

transcribes protein-coding RNA

Question 19

Gene splicing refers to.
Select one:
* the removal of some exons
* the removal of exons and joining together of introns
* the removal of introns and joining together of exons
* the removal of some introns

Answer 19

the removal of introns and joining together of exons