Subject SAT (College Board) Biology: Questions 253 - 257 of 824
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Question number: 253
» Cell
Question
Which of the following ions are necessary for the assembly of microtubules?
Choices
| Choice (5) | Response | |
|---|---|---|
a. |
| |
b. |
| |
c. |
| |
d. |
| |
e. | None of the above | |
Question number: 254
Question
Who discover electron that travel in separate orbits around the nucleus?
Choices
| Choice (5) | Response | |
|---|---|---|
a. | Thomson | |
b. | Bohr | |
c. | Johnstone | |
d. | James chadwick | |
e. | None of the above | |
Question number: 255
» Cell
Question
During a cell cycle, the transition from to S phase and from to M phase requires the activation of which of the following?
Choices
| Choice (5) | Response | |
|---|---|---|
a. | Cyclins | |
b. | ATP molecules | |
c. | Inducer enzyme | |
d. | Cyclin – CDK complex | |
e. | None of the above | |
Question number: 256
Question
As compare to ionic compounds, covalent bond has
Choices
| Choice (5) | Response | |
|---|---|---|
a. | low melting but high boiling point | |
b. | high melting but low boiling point | |
c. | low melting and boiling point | |
d. | high melting and boiling point | |
e. | Question does not provide sufficient data or is vague | |
Question number: 257
Question
Mycorrhiza, a relationship in between fungi and roots of higher plants, is
Image of Fungi and Roots
Choices
| Choice (5) | Response | |
|---|---|---|
a. | Symbiotic relationship | |
b. | Epiphytic relationship | |
c. | Saprophytic relationship | |
d. | Parasitic relationship | |
e. | All of the above | |