Cell Unit Review

Question 1

Antonvan Leeuwenhoek aided in the discovery of the cell theory by ___________________.

Accepted Answer

being the first person to observe microorganisms

Question 2

This organelle is found in animal cells and is used in cell division.

Accepted Answer

centriole

Question 3

An enzyme-substrate complex is represented by diagram

Accepted Answer

B

Question 4

Proteins are composed of ____________________.

Accepted Answer

Amino acids

Question 5

Monosaccharides are monomers of which macromolecule?

Accepted Answer

Carbohydrate

Question 6

_______________ are older life forms.

Accepted Answer

Prokaryotic cells

Question 7

The cell membrane is composed of

Accepted Answer

a phospholipid bi-layer

Question 8

At high temperatures, the rate of enzyme action decreases because the increased heat

Accepted Answer

alters the active site of the enzyme

Question 9

What stuctures do both prokaryotes and Eukaryotes have in commom?

Accepted Answer

Cyotplasm & Ribosomes

Question 10

Which of these moves particles from areas of high concentration to areas of low concentration?

Accepted Answer

both osmosis and diffusion

Question 11

Which of the following require energy to move substances across a membrane?

Accepted Answer

Exocytosis

Question 12

Which of the following is found in BOTH plant and animal cells?

Accepted Answer

Mitochondria

Question 13

At what temperature would enzyme D most likely be denatured?

Accepted Answer

40 C

Question 14

______________________ describes how the cell membrane is flexible and made of many parts.

Accepted Answer

fluid mosaic

Question 15

_______________ are always on the right side of a chemical equation.

Accepted Answer

Products

Question 16

Enzymes influence chemical reactions in living systems by

Accepted Answer

affecting the rate at which reactions occur

Question 17

Which of the following is the chemical equation for photosynthesis?

Accepted Answer

6CO2 + 6H2O --> C6H12O6 + 6O2

Question 18

Which of the following is NOT a reactant in photosynthesis?

Accepted Answer

Oxygen

Question 19

Proteins embedded in the cell membrane function to

Accepted Answer

transport materials in and out of the cell

Question 20

___________________ are a monomer of nucleic acids

Accepted Answer

nucleotide

Question 21

Which environmental condition would have the LEAST effect on the rate of enzymatic reactions?

Accepted Answer

the amount of light present

Question 22

Cellular respiration takes in ________________ and releases ____________________.

Accepted Answer

oxygen; carbon dioxide

Question 23

Which of the following enzymes would digest a fat?

Accepted Answer

lipase

Question 24

Which organelle functions in protein synthesis?

Accepted Answer

Ribosome

Question 25

Enzymes affect biological reactions by ______________________.

Accepted Answer

Decrease activation energy needed to start chemical change

Question 26

Enzymes are an example of which macromolecule?

Accepted Answer

Protein

Question 27

Which of the following is NOT a product in photosynthesis?

Accepted Answer

Carbon Dioxide

Question 28

Cellular respiration occurs in the ____________________.

Accepted Answer

Mitochondria

Question 29

Any substance that is acted upon by an enzyme is called a(n)

Accepted Answer

substrate

Question 30

____________ are always on the left side of a chemical equation.

Accepted Answer

Reactants

Question 31

What is the only kingdom that does contain prokaryotes?

Accepted Answer

Bacteria

Question 32

Which of the following do NOT contain membrane-bound organelles?

Accepted Answer

Prokaryotic cells

Question 33

Enzymes are very specific for the substrate to which they bind. True or false?

Accepted Answer

True

Question 34

Which of the following is the energy supplier for the cell; this organelle contains its own DNA

Accepted Answer

mitochondria

Question 35

Which of the following is an enzyme filled organelle for breaking down waste in the cell?

Accepted Answer

Lysosome

Cell Unit Review

Questions 35

Cell Unit Review

Questions 35