BI203 Ch. 24 - Online Quiz (MC) Flashcards

1
Q

Which of the following diseases would not be an ideal target for therapeutic cloning?

A

HIV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following products would result from caspase cleavage of a protein with the amino acid sequence AVEELCSTWYYDLLCHMRTL?

A

AVEELCSTWYYD + LLCHMRTL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The PI 3-kinase pathway activates Akt, which does ___ activate Bad.

A

NOT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The cloned embryo in somatic cell nuclear transfer is ___ genetically identical to the foster mother.

A

NOT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Apoptosis, or programmed cell death, occurs in all of the following cases except in ___ ___ ___.

A

cells damaged by injury

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The following is a signal transduction cascade (with one missing step) initiated by double-stranded DNA damage and ending with activation of apoptosis by the BH3-only proteins PUMA and Noxa: Double-stranded DNA damage; Chk2; ___; PUMA/Noxa; apoptosis. Which protein belongs in the blank space?

A

p53

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

TNF binds a trimeric receptor complex on the surface of the cell membrane.
Upon receptor binding, ___ is activated through an adaptor protein.
___ then activates ___, which in turn activates Bax and Bak and then feeds into the mitochondrial pathway.

A

Caspase-8, Bid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Murine embryonic stem cells are grown in the presence of a growth factor. What growth factor is generally used for this?

A

LIF (Leukemia Inhibitory Factor)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

___ is used to stimulate growth of fibroblasts.

A

PDGF (platelet-derived growth factor)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Tumors are ___ considered viable stem cells.

A

NOT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the best rationale for the use of therapeutic cloning to replace defective cells or tissues in a patient?

The transplanted cells are ___ to those of the recipient who donated the adult nucleus, so complications of immune rejection are ___.

A

identical, avoided

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

When activated, Bax and Bak form oligomers in the outer membrane of mitochondria, leading to the release of ___ ___.

A

cytochrome c

How well did you know this?
1
Not at all
2
3
4
5
Perfectly