Unit 1
Unit 2
Unit 3
Unit 4
Unit 5
100

This type of bond forms when electrons are shared between atoms.

What is a covalent bond?

100

This organelle is the site of protein synthesis.

What is the ribosome?

100

The process by which cells generate ATP in the absence of oxygen.

What is fermentation?

100

This type of signaling occurs when cells communicate over short distances.

What is paracrine signaling?

100

This is the genetic material passed from parent to offspring.

What is DNA?

200

These macromolecules are composed of amino acids.

What are proteins?

200

The fluid mosaic model describes this cellular structure.

What is the plasma membrane?

200

This organelle is known as the powerhouse of the cell.

What is the mitochondrion?

200

The cell cycle phase where DNA is replicated.

What is the S phase?

200

The physical appearance of an organism is referred to as this.

What is the phenotype?

300

The specific heat of water contributes to this property that allows organisms to maintain homeostasis.

What is thermal stability?

300

Plant cells have these structures for photosynthesis.

What are chloroplasts?

300

The enzyme responsible for synthesizing ATP in the electron transport chain.

What is ATP synthase?

300

Proteins called cyclins regulate this cellular process.

What is the cell cycle?

300

A heterozygous organism has this combination of alleles.

What is one dominant and one recessive allele?

400

This type of reaction links monomers into polymers by removing water.

What is dehydration synthesis?

400

These membrane-bound sacs are used for storage and transport in cells.

What are vesicles?

400

This cycle produces NADH and FADH2 during cellular respiration.

What is the Krebs cycle (or citric acid cycle)?

400

This structure forms during cytokinesis in plant cells.

What is the cell plate?

400

This law states that allele pairs separate during gamete formation.

What is the law of segregation?

500

The three parts of a nucleotide include these components.

What are a sugar, a phosphate group, and a nitrogenous base?

500

This is the primary function of the smooth endoplasmic reticulum.

What is lipid synthesis?

500

These pigments absorb light energy for photosynthesis.

What are chlorophylls?

500

Apoptosis refers to this cellular process.

What is programmed cell death?

500

The probability of inheriting two independent traits can be calculated using this rule.

What is the rule of multiplication?