Biology Final Exam

AA and Aa always show up as

• dominant traits

• recessive traits

The ability of bacteria to survive and become "stronger" even after antibiotic treatment is called

• cellular respiration

• endospore formation

• electrical resistance

• antibiotic resistance

An organism's _________ is defined as the environment in which it lives.

• habitat
• niche
• social structure
• ecosystem

Which is an example of a lipid?

• fat

• starch

• glucose

• hemoglobin

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

What type of cell has a nucleus and membrane bound organelles?

• eukaryotic

• prokaryotic

Which organelle is only found in a plant cell?

• nucleus

• chloroplast

• mitochondria

• cell membrane

If scientists found the fossils of many sharks buried deep in the earth in many different parts of Lauderdale County, this would indicate:

• That the sharks evolved to walk on land and live in the temperate deciduous forest

• That this area of Mississippi was once covered by ocean

• That local restaurants served shark steaks and buried the bones

• that Lake Lanier is actually a salt water sea

Active transport across a cell membrane from low to high concentration, requires

• energy (ATP)

• no energy

• water

• oxygen

Osmosis is the movement of _____ across a membrane.

• food

• energy

• oxygen

• water