Biotechnology

Question: Given the DNA sequence ATTAAGGC, which sequence would be used by researchers as an antisense molecule?
[A].

AUUAAGGC

[B].

UAAUUCCG

[C].

CGGAATTA

[D].

TAATTCCG

Answer: Option A

Explanation:

No answer description available for this question.

Question: Antisense technology
[A].

selectively blocks expression of a gene

[B].

combines genetic material from different species

[C].

combines organelles and cells

[D].

alters or transfers cells

Answer: Option A

Explanation:

No answer description available for this question.

Question: A naturally occurring variant, possessing characteristics of interest, is identified. This plant is selectively bred. This is an example of
[A].

traditional plant breeding

[B].

transgenic technology

[C].

mutant selection

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: A __________ is a small laboratory set up to simulate conditions of a particular environment.
[A].

microcosm

[B].

mibridization

[C].

bioremediation

[D].

rhizosecretion

Answer: Option A

Explanation:

No answer description available for this question.

Question: If the goal were to create a plant resistant to an insecticide, which cell-based plant technology would be most effective?
[A].

Clonal propagation

[B].

Cybridization

[C].

Protoplast fusion

[D].

Mutant selection

Answer: Option D

Explanation:

No answer description available for this question.

Question: Which of the following self-pollinating plant/(s) tend to be homozygous?
[A].

Peas

[B].

Tomato

[C].

Peach

[D].

All of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: Antisense transgenic plants produced fruit that softened
[A].

more slowly than the normal fruit

[B].

more rapidly than the normal fruit

[C].

as the normal fruits

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Expression of antisense RNA in transgenic plants is a general method used to
[A].

activate the expression of all genes in a biochemical pathway

[B].

eliminate the expression of all genes in a biochemical pathway

[C].

block the expression of virus coat protein genes

[D].

reduce or eliminate the expression of individual genes

Answer: Option D

Explanation:

No answer description available for this question.

Question: In transgenic plants that have been manipulated to express patho-genesis-related (PR) proteins all the time it has been shown that
[A].

these provide no protection at all against pathogens

[B].

expression of one PR protein provides high levels of protection against many pathogens

[C].

expression of two PR proteins provides some protection against a few pathogens

[D].

these proteins trigger the production of other antimicrobial defenses

Answer: Option D

Explanation:

No answer description available for this question.

Question: Metabolic interference is a term used to describe a method to metabolize a compound and prevent the synthesis of something that is normally produced. What compound(s) have been targeted for metabolic interference in tomato?
[A].

ACC (1-aminocyclopropane-1-carboxylic acid)

[B].

SAM (S-adenosylmethionine)

[C].

Both (a) and (b)

[D].

AOA (aminooxyacetic acid)

Answer: Option C

Explanation:

No answer description available for this question.