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Biology Unit 2

Total questions: 27

Worksheet time: 20mins

Name
Class
Date
1.

The diffusion of water across a (a)  

2.

What is osmosis?

a)

Process of taking liquids into a cell and surrounding it in a vesicle

b)

the diffusion of water across a permeable membrane

c)

molecules being 'forced' across the cell membrane from low to high

d)

diffusion of molecules across the cell membrane using transport proteins

3.

Osmosis:

a)

moves from high to low

b)

moves from low to high

c)

is active (requires ATP)

d)

is passive (no ATP)

4.

Hypotonic solutions:

a)

are 2 solutions having an = concentration

b)

a less concentrated solution

c)

a more concentrated solution

d)

water > solution

e)

solution > water

5.

Hypertonic solutions are (a)   concentrated.

6.

Passive transport move...

a)

low to high

b)

up the concentration gradient

c)

high to low

d)

movement of (NA+, CI-, K+)

7.

Active transport includes

a)

low to high transport

b)

molecules moving down the concentration gradient

c)

energy that is needed (ATP)

d)

molecules moving up the concentration gradient

8.

Endocytosis includes...

a)

using a vesicle to take things INTO the cell

b)

passive transport

c)

using vesicles to take things OUT of the cell

d)

active transport

9.

Exocytosis is:

a)

the process of taking liquids into a cell, surrounding it in a vesicle.

b)

diffusion of molecules across the membrane using transport proteins.

c)

the diffusion of water across a permeable membrane.

d)

release of substances out of a cell by the fusion oof a vesicle with the cell membrane.

10.

Facilitated diffusion uses ________ ________.

(a)  

11.

Prokaryotes are....

a)

multicellular

b)

have no nucleus

c)

contains organelles

d)

unicellular

12.

Eukaryotes include...

a)

no nucleus, no organelles

b)

free-floating DNA

c)

a nucleus, organelles, and DNA in the nucleus

d)

bacteria, algae

13.

What is gene expression

a)

process where a gene turns into a cell to create RNA + protiens

b)

process young cells mature + take their developed formation

c)

process where materials float around the cell

d)

process that includes a vesicle

14.

G1 - cell growth

a)

cell grows in size

b)

cell shrinks and begins to split

c)

increase of production in RNA, proteins, and organelles

d)

focused on replicating all DNA

15.

S phase - DNA synthetization

a)

nuclear membrane breaks

b)

prep for last phase

c)

focus on replicating all DNA

d)

creates sister chromatids, attaching at the centromere

16.

G2 phase - preperation for cell division

a)

creates 2 identical daughter cells

b)

continues to grow, prep for last phase

c)

continues synthesizing protiens

d)

focus on replicating all DNA

17.

The order of mitosis:

a)

metaphase, cytokinesis, telophase, anaphase, prophase

b)

telophase, anaphase, prophase, cytokinesis, metaphase

c)

prophase, metaphase, anaphase, telophase, cytokineses

d)

prophase, metaphase, anaphase, cytokinesis, telophase

18.

Mitosis is used to turn 1 cell into 4 cells. True or false?

a)

True

b)

False

19.

The nucleous of a cell makes DNA. True or false.

a)

True

b)

False

20.

The nucleolus makes (a)   .

21.

The mitochondria is used to break down food for energy. True or false?

a)

True

b)

False

22.

Facilitated diffusion is:

a)

active transport (requires ATP)

b)

endocytosis

c)

passive transport (no ATP required)

d)

mitosis

23.

Cytokinesis is the division of the (a)   .

24.

Interphase is the....

a)

first 5 stages of cell cycle

b)

first 2 stages of cell cycle

c)

first 4 stages of cell cycle

d)

first 3 stages of cell cycle

25.

Cancer cells happen because:

a)

uncontrollable cell division

b)

a cells nucleus divides

c)

division of cytoplasm

d)

no regulation of growth/division

26.

: can become any type of cell

a)

Adult cell

b)

Mitochondria

c)

Embryonic stem cell

d)

Lyosome

27.

Diffusion moves from ______ to ________.

a)

low to high

b)

medium to high

c)

intermediate to low

d)

high to low