Cells and Cell Processes

Cells and Cell Processes

By Mrs. Mickavicz

Topic I: Biochemistry

and the

Molecules

of Life

Multiple Choice

Water is a ____ molecule, which lends it to many important properties.

• polar

• nonpolar

• ionic

• metallic

Multiple Choice

Compounds like H₂O and CO₂ would be ____, while compounds like C₆H₁₂O₆ would be ____.

• nonpolar; polar

• polar; nonpolar

• organic; inorganic

• inorganic; organic

Multiple Choice

A macromolecule contains the elements C, H, and O. It is a polymer of hexagonal rings, and the elements come out to a ratio of 1:2:1. Which macromolecule would this be?

• carbohydrate

• lipid

• protein

• nucleic acid

Multiple Choice

Biological catalysts speed up reactions by...

• lowering activation energy

• increasing the reaction temperature

• decreasing the amount of reactant collisions

• all of these options

Topic 2:

Cells and

Cellular Organization​

Multiple Choice

Which type of cell has a nucleus?

• prokaryote

• eukaryote

• both prokaryotes and eukaryotes

• neither prokaryotes nor eukaryotes

Multiple Choice

The cell structure found in ALL cells that encloses a cell from the outside is the...

• cytosol

• cell wall

• endoplasmic reticulum

• cell membrane

Multiple Choice

Plants have this structure which allows them to carry out photosynthesis...

• mitochondria

• golgi bodies

• chloroplasts

• chromosomes

Topic 3:

Cellular

Transport​

Multiple Choice

Molecules naturally move from an area of ____ concentration to an area of ____ concentration.

• high; high

• low; low

• low; high

• high; low

Multiple Choice

Which form of cellular transport moves AGAINST the concentration gradient?

• active transport

• diffusion

• osmosis

• facilitated diffusion

Multiple Choice

The diffusion of water across a semi-permeable membrane is known as...

• active transport

• osmosis

• diffusion

• facilitated diffusion

Multiple Choice

Water will exit the cell when placed in a(n) ____ environment.

• polar

• hypotonic

• hypertonic

• isotonic

Topic 4: Cellular Energy

Multiple Choice

The formula 6CO₂ + 6H₂O + light --> C₆H₁₂O₆ + 6O₂ refers to...

• photosynthesis

• fermentation

• respiration

• oxidation

Multiple Choice

Light-dependent reactions and light-independent reactions refer to...

• fermentation

• glycolysis

• respiration

• photosynthesis

Multiple Choice

Which two are practically opposite reactions?

• dark reactions and light reactions

• fermentation and Kreb's cycle

• photosynthesis and glycolysis

• photosynthesis and respiration

Multiple Choice

The most ATP is generated during...

• Kreb's cycle and electron transport chain

• light-dependent and light-independent reactions

• glycolysis and fermentation

• light-dependent reactions and fermentation

You have now

completed the

Biology Keystone Module A Review!