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Biology sem 1 wk 2

Biology sem 1 wk 2

Assessment

Flashcard

Biology

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is part of the spindle apparatus?

Back

Aster fibers are part of the spindle apparatus, which helps in the separation of chromosomes during cell division.

2.

FLASHCARD QUESTION

Front

How do carrier proteins facilitate active transport?

Back

Carrier proteins move substances from a low to high concentration against the concentration gradient.

3.

FLASHCARD QUESTION

Front

Where do light-dependent reactions take place in a plant cell?

Back

Light-dependent reactions occur in saclike membranes called thylakoids.

4.

FLASHCARD QUESTION

Front

What process during meiosis contributes to genetic variation?

Back

Genetic variation can occur during meiosis due to the process of crossing over.

5.

FLASHCARD QUESTION

Front

What type of organism is a black widow spider that snags an insect to eat?

Back

A black widow spider is an example of a heterotroph, which obtains its food by consuming other organisms.

6.

FLASHCARD QUESTION

Front

What is the function of a centromere in cell division?

Back

The centromere is the region of a chromosome where the two sister chromatids are joined and where the spindle fibers attach during cell division.

7.

FLASHCARD QUESTION

Front

Define osmosis in biological terms.

Back

Osmosis is the movement of water molecules across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

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