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Cells 2.1 Final Review

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

Which of the following organisms are mostly prokaryotes?

a)

bacteria

b)

animals

c)

plants

d)

fungi

2.

This organelle is found in plant cells. The function of this organelle is to collect solar energy and use this to produce food, or glucose, for the plant. This organelle is the _____________.

a)

mitochondria

b)

leucoplast

c)

chloroplast

d)

golgi body

3.

All organic compounds contain the element?

a)

nitrogen

b)

carbon

c)

calcium

d)

sodium

4.

A person starts to eat a hamburger. As she takes a bite and chews, an enzyme called salivary lipase helps to begin the process of fat digestion. Which of these is the BEST description of the role of enzymes during digestion?

a)

Enzymes are proteins that speed up the process of chemically breaking down food molecules.

b)

Enzymes moisten food to help teeth in the mechanical process of grinding and chewing.

c)

Enzymes are cells that secrete saliva and other necessary substances needed for digestion.

d)

Enzymes are acids that physically break down food molecules.

5.

Long chains of amino acids are found in...?

a)

carbohydrates

b)

lipids

c)

sugars

d)

proteins

6.

Both prokaryote and eukaryote cells have this structure. It helps maintain homeostasis and is a boundary between the inside of the cell and the outside environment. It is the ______.

a)

nucleus

b)

cell membrane

c)

cytoplasm

d)

cell wall

7.

Unfinished proteins transported from the ER are processed and packaged in the cell's_____________?

a)

nucleus

b)

smooth ER

c)

ribosomes

d)

golgi body

8.

Reusable, complex proteins that promote chemical reactions within cells are called …

a)

enzymes

b)

inhibitors

c)

regulators

d)

steroids

9.

Nucleic acids are made up of _______________.

a)

monomers of phosphates

b)

monomers of sugar

c)

fatty acid tails

d)

alternating nucelotides

10.

Which structure stores the DNA needed for cell reproduction?

a)

in the nucleus

b)

in the chlorplasts

c)

in the cytoplasm

d)

in the mitochondria

11.

Unlike a eukaryotic cell, a prokaryotic cell lacks?

a)

DNA and cytoplasm

b)

cell wall and cell membrance

c)

ribosomes and energy propelled flagella

d)

nucleus and membrane-bound organelles

12.

During the digestion of foods, large molecules are broken down into smaller molecules. For

example, starch, a complex polysaccharide, can be directly broken down into _______________.

a)

amino acids

b)

fatty acids.

c)

fatty acids.

d)

simple monosaccharides.