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LE 3rd Quarter Review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What would be the complimentary strand (opposite side) of the DNA for the following base sequence?


CCG TAC GCA TTA

a)

GGC ATG CGT AAT

b)

GGC TAC GCA AAT

c)

CCG ATG CGT TTA

d)

CGG ATT CGA AAT

2.

What would be the mRNA made from the DNA base sequence below?


CCG TAC GCA TTA

a)

GGC ATG CGT AAT

b)

CCG UTG CGT UUT

c)

GGC AUG CGU AAU

d)

GGC AUG CCT AAU

3.

What do you call a mistake in DNA?

a)

Oops!!

b)

mutation

c)

tranlocation

d)

transcription

4.

An independent variable is ....

a)

The variable we measure

b)

The variable that goes up the y axis on a graph

c)

The variable that doesn't change

d)

The variable that I change

5.

The dependent variable is ....

a)

the variable that is measured

b)

the variable that goes on the x axis

c)

the variable that doesn't change

d)

the variable that I change

6.

How do you get an experiment to be more valid?

a)

Do the experiment really well once

b)

Do the experiment twice and change the independent variable each time

c)

Perform more trials

d)

Base all conclusions on the first trial

7.

Which type of macromolecule give us quick energy?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

8.

What are the building blocks of carbohydrates?

a)

simple sugars

b)

3 fatty acids and 1 glycerol

c)

amino acids

d)

nucleotides

9.

What type of macromolecule is an enzyme?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

10.

What are the building blocks of proteins?

a)

simple sugars

b)

3 fatty acids and 1 glycerol

c)

amino acids

d)

nucleotides

11.

How do molecules move across a membrane from high to low concentration?

a)

active transport

b)

diffusion

c)

locomotion

d)

transpiration

12.

Which body system breaks down food into smaller, usable molecules?

a)

circulatory system

b)

respiratory system

c)

digestive system

d)

reproductive system

13.

Which body system transports materials through the body to every cell?

a)

circulatory system

b)

respiratory system

c)

digestive system

d)

reproductive system

14.

Put the following terms in order for reproduction in a multicellular organism?

a)

Meiosis --> Gametes --> Fertilization --> Zygote --> Mitosis

b)

Mitosis --> Fertilization --> Gametes --> Meiosis --> Zygote

c)

Meiosis --> Fertilization --> Mitosis --> Gametes --> Zygote

d)

Mitosis --> Zygote --> Gametes --> Fertilization --> Meiosis

15.

What is needed for photosynthesis?

a)

CO2 + H20 + light energy

b)

O2 + H20 + light energy

c)

CO2 + glucose + light energy

d)

O2 + glucose + light energy

16.

Which of the following is a consumer in an ecosystem?

a)

bird

b)

mushroom

c)

tree

d)

grass

17.

Which is a characteristic of a decomposer?

a)

Makes its own food

b)

Eats other living organisms

c)

Recycles dead and decaying organisms

d)

Steals food from other organisms

18.

Which of the following would not be good for the ecosystem?

a)

Cutting down trees to make room for a new hospital

b)

Replacing oil refineries with a windmill farm

c)

Developing a new engine that can be charged in 10 minutes

d)

Stop planting corn to allow a field to go back to forest

19.

Where does photosynthesis occur in the cell? (cell organelle)

a)

chloroplast

b)

mitochondria

c)

nucleus

d)

cell membrane

20.

Where in the cell does cellular respiration occur? (cell organelle)

a)

chloroplast

b)

mitochondria

c)

nucleus

d)

ribosome