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Biology : The Unity and Diversity of Life

Cecie Starr, Christine A. Evers; Lisa Starr

Chapter 15

Studying and Manipulatating genomes - all with Video Answers

Educators

Chapter Questions

01:56

Problem 1

__________ cut(s) DNA molecules at specific sites.
a. DNA polymerase
c. Restriction enzymes
b. DNA probes
d. Reverse transcriptase

Quoc Tran
Quoc Tran
Numerade Educator
00:24

Problem 2

A ___________ is a molecule that can be used to carry a fragment of DNA into a host organism.
a. vector
C. GMO
b. chromosome
d. $\mathrm{CDNA}$

Mishal Gul
Mishal Gul
Numerade Educator
01:08

Problem 3

Reverse transcriptase assembles a(n) _______ on
$a(n)_______ \longrightarrow$ template.
a. mRNA; DNA
c. DNA; ribosome
b. cDNA; mRNA
d. protein; mRNA

Quoc Tran
Quoc Tran
Numerade Educator
00:32

Problem 4

For each species, all _______ chromosomes is the _________
a. genomes; library
c. mRNA; start of cDNA
b. DNA; genome
d. cDNA; start of mRNA

Mishal Gul
Mishal Gul
Numerade Educator
01:17

Problem 5

A set of cells that host various DNA fragments collectively representing an organism's entire set of genetic information is a __________
a. genome
c. genomic library
b. clone
d. GMO

Quoc Tran
Quoc Tran
Numerade Educator
00:29

Problem 6

__________ s the technique of determining the order of nucleotide bases in a sample of DNA.
a. PCR
c. Electrophoresis
b. Sequencing
d. Nucleic acid hybridization

Mishal Gul
Mishal Gul
Numerade Educator
02:37

Problem 7

Electrophoresis separates fragments of DNA according to __________
a. sequence
b. length
c. species

Mariana Roldan
Mariana Roldan
Numerade Educator
02:27

Problem 8

$\mathrm{PCR}$ can be used ___________
a. as a cloning vector
b. in DNA profiling
c. to modify a human genome

Mariana Roldan
Mariana Roldan
Numerade Educator
00:57

Problem 9

Put the following tasks in the order they would occur during a DNA cloning experiment.
a. using DNA ligase to seal DNA fragments into vectors
b. using a probe to identify a clone in the library
c. sequencing the DNA of the clone
d. making a DNA library of clones
e. cutting genomic DNA with restriction enzymes

Mishal Gul
Mishal Gul
Numerade Educator
01:52

Problem 10

An individual's unique set of ___________ can be used in
DNA profiling.
a. DNA sequences
c. SNPs
b. short tandem repeats
d. all of the above

Quoc Tran
Quoc Tran
Numerade Educator
03:36

Problem 11

A transgenic organism _________
a. carries a gene from another species
b. has been genetically modified
c. both a and b

Cara Oneal
Cara Oneal
Numerade Educator
02:50

Problem 12

True or false? Some transgenic organisms can pass their foreign genes to offspring.

Mariana Roldan
Mariana Roldan
Numerade Educator
01:44

Problem 13

Taq polymerase is used for PCR because it __________
a. tolerates the high temperature needed to separate DNA strands
b. is an enzyme from a bacterium
c. does not require primers
d. is genetically modified

Mariana Roldan
Mariana Roldan
Numerade Educator
02:29

Problem 14

___________ can correct a genetic defect in an individual.
a. Cloning vectors
c. Sequencing
b. Gene therapy
d. Electrophoresis

Mariana Roldan
Mariana Roldan
Numerade Educator
00:38

Problem 15

Match each term with the most suitable description.
____ DNA profile
____ Ti plasmid
____ probes
____ SNPs
____ transgenic
____ genomics
____ CRISPR

a. GMO with a foreign gene
b. alleles commonly have them
c. unique array of short tandem repeats
d. used to find clones
e. mouse vs. human
used in plant gene transfers
g. based on RNA interference

Mishal Gul
Mishal Gul
Numerade Educator
00:24

Problem 16

Match the method with the appropriate enzyme
____ PCR
____ cutting DNA
____ cDNA synthesis
____ DNA sequencing
____ pasting DNA

a. Taq polymerase
b. DNA ligase
c. reverse transcriptase
d. restriction enzyme
e. DNA polymerase (not $T a q)$

Mishal Gul
Mishal Gul
Numerade Educator