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Bio Staar Review

Total questions: 45

Worksheet time: 42mins

Name
Class
Date
1.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
2.

This cell part is in ALL cells. It is the gel-like fluid that fills empty space in the cell.

a)

Chloroplasts

b)

Cell membrane

c)

Cytoplasm

d)

Nucleus

3.

Prokaryotic Cells include animals, plants and fungi

a)

True

b)

False

4.
Which statement about bacteria is true?
a)
All bacteria are prokaryotes
b)
All bacteria are eukaryotes
c)
All bacteria are autotrophs
d)
All bacteria are heterotrophs
5.

Why should you never drink salt water?

a)

The water will leave your cells because of the isotonic solution surrounding them.

b)

The water will enter your cells because they are in an hypotonic solution.

c)

The water will leave your cells because of the hypertonic solution surrounding them.

d)

Nothing will happen, that's a myth.

6.

How are osmosis and diffusion similar processes?

a)

A both move solute molecules

b)

both move water molecules

c)

they move low to high concentrations

d)

both move high to low concentrations

7.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
8.

What happens if a cell is in a lysogenic cycle?

a)

the virus will become part of your cells DNA but it hides

b)

the virus causes your cell to make copies of itself

c)

the virus will cause you cell to break open

d)

all of the options listed

9.

A virus consists of:

a)

RNA or DNA and a cell membrane

b)

RNA or DNA and a protein coat

c)

RNA and DNA and a protein coat

d)

proteins, cell membrane, and RNA

10.

Reorder the following

a)

G1

b)

S

c)

G2

d)

Mitosis

e)

Cytokinesis

1)
2)
3)
4)
5)
11.

Identify the parts of a nucleotide.

a)

A=deoxyribose

B=phosphate

C=nitrogen base

b)

A=ribose

B=phosphate

C=nitrogen base

c)

A=phosphate

B=deoxyribose

C=nitrogen base

d)

A=phosphate

B=deoxyribose

C=monosaccharide

12.

Reorder the following stages of mitosis

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

1)
2)
3)
4)
13.

What stage is represented by this image?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

14.

Cancer is defined as the

a)

uncontrolled division of mutated cells

b)

normal division of cells

c)

normal DNA replication

d)

abnormal ATP synthesis

15.
Round seeds (R) are dominant over wrinkled seeds (r). What percentage of the offspring will be round from the following cross?
Rr X Rr
a)
100%
b)
75%
c)
50%
d)
25%
16.
In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?
a)
25%
b)
0%
c)
100%
d)
50%
17.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r  = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds? 
a)
0%
b)
25%
c)
50%
d)
100%
18.

When Grey fur is dominant to brown fur the Genotypic Ratio for the cross between a heterozygous mouse and a brown mouse is

a)

GG 1: Gg 2: gg 1

b)

Grey 3: Brown 1

c)

GG 0:Gg 2:gg 1

d)

Grey 2: Brown 2

19.

Based off this punnett square, what fraction of the offspring will have wrinkled, green seeds?

a)

9/16

b)

3/16

c)

1/16

d)

16/16

20.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
21.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
22.

Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

23.

Match the following terms...

a)

codon

1.

mRNA

b)

anticodon

2.

tRNA

c)

protein synthesis

3.

to make more proteins

24.

What is the amino acid sequence for the following mRNA strand:

UGG-ACU-CGA

Write your answer like this: ___-___-___

(a)  

25.

Natural selection results in change in a population's _____________ traits over time.

a)

inherited

b)

acquired

26.

Which best describes the phrase survival of the fittest?

a)

strongest in a population are most successful

b)

fastest in a population are most successful

c)

those that can survive and reproduce are most successful

d)

those that can live the longest are most successful

27.

Which is true?

a)

allele Z increased in the population over time

b)

allele Z decreased in the population over time

c)

the frequency of allele Z remained constant in the population over time

28.

Reorder the following taxonomic Categories from least related to most related

a)

Class

b)

Order

c)

Family

d)

Genus

e)

Species

1)
2)
3)
4)
5)
29.

Use the dichotomous key to identify Bird X?

a)

Certhidea

b)

Geospiza

c)

Camarhynchus

d)

Platyspiza

30.

Which of the two organisms are the most related?

a)

Tiger and Polar Bear

b)

Polar Bear and Mountain Lion

c)

Mountain Lion and Tiger

d)

Zebra and Tiger

31.

Match the following

a)
1.

protein

b)
2.

nucleic acid

c)
3.

carbohydrate

d)
4.

lipid

32.

Select the biomolecules that contain the elements C,H,O

a)

Lipid

b)

Protein

c)

Carbohydrate

d)

Nucleic acid

33.
What biomolecule do enzymes belong to? 
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
34.
Which biomolecule is a main source of quick energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
35.
Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy? 
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
36.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
37.
What happens to an enzyme when it is denatured?
a)
Activation energy is lowered.
b)
It becomes stronger.
c)
It loses its shape.
d)
Activation energy is raised.
38.
Based on the graph, what temperature does this enzyme work best? 
a)
15 C
b)
40 C
c)
30 C
d)
47 C
39.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
40.

What are the REACTANTS of CELLULAR RESPIRATION?

a)

ATP

b)

Carbon dioxide

c)

Glucose

d)

Oxygen

e)

Water

41.

What are the REACTANTS for PHOTOSYNTHESIS?

a)

ATP

b)

Carbon dioxide

c)

Glucose

d)

Sunlight

e)

Water

42.

Where does this process occur in the cell?

a)

Chloroplast

b)

Mitochondria

c)

Nucleus

d)

Ribosome

43.

Mark all the organisms that are considered producers

a)
b)
c)
d)
e)
44.

Put this food chain in the correct order

a)

Grass

b)

Grasshopper

c)

Shrew

d)

Snake

e)

Mountain Lion

1)
2)
3)
4)
5)
45.
Question Image

Match each organism with the correct trophic level

a)

Producer

1.

Grass

b)

Primary Consumer

2.

Squirrel

c)

Secondary Consumer

3.

Insect Eating Bird

d)

Apex Predator

4.

Mountain Lion

e)

Decomposer

5.

Bacteria

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