Quiz about Unit 1 Review

Question 1

Which organelles are found in prokaryotic cells? Select all that apply.

Accepted Answer

plasmids

Accepted Answer

mesosomes

Accepted Answer

nucleoids

Answer

Golgi bodies

Question 2

Which molecules are classified as macromolecules? Select all that apply.

Accepted Answer

lipids

Accepted Answer

proteins

Accepted Answer

nucleic acids

Answer

water

Question 3

What substances are produced in photosynthesis? Select all that apply.

Accepted Answer

glucose

Answer

carbon dioxide

Question 4

What process allowed early humans to create bread and preserve foods?

Accepted Answer

fermentation

Answer

genetic engineering

Answer

DNA sequencing

Answer

cloning

Question 5

Which of the following organelles is the site of the Krebs cycle?

Accepted Answer

mitochondrion

Answer

chloroplast

Answer

Golgi apparatus

Answer

endoplasmic reticulum

Question 6

Which of the following terms BEST describes cell processes that require oxygen and produce ATP to store energy necessary for other cell processes?

Accepted Answer

aerobic respiration

Answer

anabolic respiration

Answer

metabolic respiration

Answer

anaerobic respiration

Question 7

Which organelle converts nutrients into energy a cell uses to support other functions?

Accepted Answer

mitochondrion

Answer

ribosome

Answer

nucleus

Answer

cell membrane

Question 8

What is the term that describes a collection of reactions necessary for the survival of living cells?

Accepted Answer

metabolism

Answer

anabolism

Answer

respiration

Answer

photosynthesis

Question 9

What is the name of the protein group that can speed up reactions or reduce their activation energy?

Accepted Answer

enzymes

Answer

ions

Answer

lipids

Answer

vitamins

Question 10

What is the name of the process whose main purpose is to use energy released and stored during the Krebs cycle to form ATP?

Accepted Answer

electron transport chain

Answer

glycolysis

Answer

the Krebs cycle

Answer

photosynthesis

Question 11

Which type of lipid makes up cell membranes?

Accepted Answer

phospholipids

Answer

steroids

Answer

triglycerides

Answer

fatty acids

Question 12

What is a scientific law?

Accepted Answer

a description of the relationship between two variables

Answer

a proposed explanation for an observation

Answer

an explanation for how or why natural events occur

Answer

an explanation for observable phenomena

Question 13

Which statement BEST summarizes cell theory?

Accepted Answer

All organisms are made up of cells, and each cell comes from another living cell.

Answer

All living things are made up of cells that can come from non-living matter.

Answer

Organisms can form from cells or other materials.

Answer

Not all living things are made from cells, and some animal cells come from plants.

Question 14

What does the lock and key model describe?

Accepted Answer

the way enzymes and substrates fit together

Answer

the way living cells create new cells

Answer

the way substances pass into a cell

Answer

the way cells use molecules for energy

Question 15

Two scientists, Robert Remak and Louis Pasteur, discovered evidence to support the cell theory tenet that all cells arise from existing cells. What discovery did they make?

Accepted Answer

Cells can arise only from pre-existing cells.

Answer

Cells can form from non-living matter.

Answer

Cells can form from plant material.

Answer

Cells can arise from chemical reactions.

Question 16

Which of the following BEST describes the main advantages a nucleus provides for a cell?

Accepted Answer

The nucleus organizes the DNA and regulates gene expression.

Answer

The nucleus houses the DNA and RNA for the cell.

Answer

The nucleus converts sunlight into energy the cell can use.

Answer

The nucleus organizes waste transport and protein synthesis for the cell.

Question 17

What green pigment molecule must be present in organisms to capture the light energy needed for photosynthesis?

Accepted Answer

chlorophyll

Answer

nucleus

Answer

glucose

Answer

oxygen

Question 18

Lately you've noticed that you get better test grades some weeks than other weeks. If you guess that when you get more sleep, your grades are higher, which step in the scientific method of thinking have you used?

Accepted Answer

Form a hypothesis.

Answer

Analyze the observations.

Answer

Test the hypothesis.

Answer

Ask a question.

Question 19

How is matter conserved during photosynthesis and ATP production?

Accepted Answer

atoms are rearranged

Answer

atoms are destroyed

Answer

atoms are created

Answer

atoms stay the same

Question 20

What are the THREE main tenets of cell theory?

Accepted Answer

All living things are made of cells; Cells are the basic unit of structure and function in living things; All cells come from pre-existing cells.

Answer

All living things are made of tissues; Tissues are the basic unit of life; All tissues come from pre-existing tissues.

Answer

All living things are made of atoms; Atoms are the basic unit of structure; All atoms come from pre-existing atoms.

Answer

All living things are made of molecules; Molecules are the basic unit of function; All molecules come from pre-existing molecules.

Question 21

Compare and contrast a scientific hypothesis, a scientific theory, and a scientific law.

Accepted Answer

A hypothesis is a testable prediction, a theory is a well-supported explanation, and a law is a statement of consistent natural phenomena.

Answer

A hypothesis is a proven fact, a theory is a guess, and a law is a random observation.

Answer

A hypothesis is a law, a theory is a hypothesis, and a law is a theory.

Answer

A hypothesis is a law, a theory is a proven fact, and a law is a guess.

Question 22

Which statement is true about bacterial cells?

Accepted Answer

The cells have no nucleus

Answer

The cells are very large

Answer

The are eukaryotes

Answer

They have organelles

Question 23

Prokaryotic cells have circular DNA called _______

Accepted Answer

Plasmids

Answer

Chromatids

Answer

Chromosomes

Answer

They do not contain DNA

Question 24

What organelles is NOT found in a PROkaryote

Accepted Answer

nucleus

Answer

cell membrane

Answer

Chromosomes (DNA)
DNA

Answer

ribosomes

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