Biology Quiz

Positive feedback differs from negative feedback because it:

• Involves the regulation of body temperature

• Amplifies the original stimulus

• Is used for most homeostatic processes

• Inhibits the original stimulus

The sagittal plane divides the body into:

• Front and back portions

• Top and bottom portions

• Right and left portions

• Equal upper and lower portions

The pericardial cavity contains the:

• Lungs

• Heart

• Liver

• Brain

An anion is an ion that:

• Gains electrons and becomes negatively charged

• Loses electrons and becomes positively charged

• Gains protons and becomes positively charged

• Loses protons and becomes negatively charged

The normal pH of human blood is:

• 6.5

• 7.4

• 8.0

• 7.0

Glycogen is stored primarily in:

• Adipose tissue

• Liver and muscles

• Bone marrow

• Skin

Which organelle is responsible for protein synthesis?

• Mitochondria

• Golgi apparatus

• Ribosomes

• Lysosomes

Facilitated diffusion requires:

• ATP

• A carrier protein

• Both A and B

• Neither A nor B

During which phase of mitosis do sister chromatids separate?

• Prophase

• Metaphase

• Anaphase

• Telophase

Stratified epithelium is found in areas requiring:

• Filtration

• Absorption

• Protection from abrasion

• Rapid diffusion