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CBA 2 Review

Total questions: 35

Worksheet time: 35mins

Name
Class
Date
1.

Cells spend most of their lives in which phase?

a)

Interphase

b)

Prophase

c)

Telophase

d)

Metaphase

2.

Cells of organisms must replicate for?

a)

Growth

b)

Replacement of dying cells

c)

Repair of damaged cells

d)

All of the above

3.

What is the correct order of the phases of mitosis?

a)

Metaphase, Anaphase, Prophase, Telophase,

b)

Pelophase, Motophase, Anaphase, Trophase

c)

Prophase, Metaphase, Anaphase, Telophase

d)

Telophase, Anaphase, Prophase, Metaphase

4.

What is cytokinesis?

a)

When 2 cells merge together to make 1 giant cell

b)

The end of the cell cycle when the cell divides and mitosis is complete

c)

The stage when DNA condenses into chromosomes

d)

The stage where chromosomes are pulled to opposite ends of the cell.

5.

The G1, S, and G2 are parts of which phase of the cell cycle?

a)

Prophase

b)

Interphase

c)

Telophase

d)

Anaphase

6.

Is interphase a part of Mitosis?

a)

Yes, it happens after prophase

b)

No, it happens before mitosis

7.
Which phase of the cell cycle is #1?
a)
Interphase
b)
Prophase
c)
Anaphase
d)
Metaphase
8.
Cell division is represented by what letter?
a)
A
b)
B
c)
C
d)
D
9.

DNA damage can turn off genes involved in cell-signaling pathways that regulate the cell cycle. Turning off

these genes can cause less-mature cells to divide too rapidly, often leading to the development

of —

a)

cardiovascular disease

b)

tumors

c)

allergies

d)

hemophilia

10.

What are chromosomes?

a)

They attach to the DNA and pull it to the sides

b)

They contain mitochondria

c)

They contain ribosomes

d)

DNA packaged into threadlike structures

11.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
12.
Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
13.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
14.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
15.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
16.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
17.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
18.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
19.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
20.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
21.

Each of the 11 body systems:

a)

Is interchangeable

b)

Depends on others to function

c)

Performs a single task

d)

Is controlled by the lungs

22.

The excretory system gets rid of:

a)

Nutrients

b)

Cartilage

c)

Waste

d)

Oxygen

23.

The _______ system delivers oxygen and nutrients to every cell in the body.

a)

Circulatory

b)

Lymphatic

c)

Integumentary

d)

Nervous

24.

What is the main product of the endocrine system?

a)

Bones

b)

Blood

c)

White blood cells

d)

Hormones

25.

What is an organ?

a)

A group of tissues that work together to perform closely related functions.

b)

the network of nerve cells and fibers that transmits nerve impulses between parts of the body.

c)

all of the bones and muscles in your body and responsible for body structure and movements.

d)

responsible for providing your body with nutrients from food.

26.

What does xylem transport?

a)

Water and minerals

b)

Water only

c)

Sugar

d)

Food

27.

What does phloem transport?

a)

Water

b)

Minerals

c)

Fruit

d)

Sugar

28.

What is the stomata in plants?

a)

Large pores in the leaves

b)

The green pigment

c)

The chloroplast

d)

Tiny pores in the leaves

29.

During this process, a plant uses carbon dioxide gas and water to make food and oxygen.

a)

chlorophyll

b)

photosynthesis

c)

vascular tissue

d)

vacuole

30.

What do the guard cells do?

a)

Control active transport

b)

Control nutrients moving into the cell

c)

Controls the rate of transpiration (loss of water through the leaf)

31.
What are proteins made of?
a)
DNA
b)
RNA
c)
Amino acids
32.
What happens during transcription?
a)
DNA is made into amino acids
b)
DNA is made into mRNA
c)
DNA is made into a protein
33.
Choose the nucleotide sequence of the mRNA strand that would be complementary to the following strand DNA STRAND: GTA GTC
a)
UATUAG
b)
ACGACT
c)
CAUCAG
d)
CATCAG
34.

Job of mRNA

a)

Deliver amino acids tp ribosomes to build protein

b)

Part of ribosome that speed up amino acid bonding

c)

Bring DNA message to ribosome to get correct sequence of amino acids

35.
Where does translation take place?
a)
Nucleus
b)
Ribosome
c)
Mitochondria