Science: Biology and Life Science Flashcards
7 cards from real TEAS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Science: Biology and Life Science flashcards as text
Which process do plant cells use to convert carbon dioxide and water into glucose using light energy?
Answer: Photosynthesis
Photosynthesis converts CO2 and water into glucose using light energy.
What is the basic structural and functional unit of all living organisms?
Answer: Cell
The cell is the smallest unit capable of carrying out life functions.
Which structure controls what enters and exits an animal cell?
Answer: Cell membrane
The selectively permeable cell membrane regulates movement in and out of the cell.
The movement of water across a semipermeable membrane from low to high solute concentration is called what?
Answer: Osmosis
Osmosis is the diffusion of water across a semipermeable membrane.
How many chromosomes are typically found in a normal human body (somatic) cell?
Answer: 46
Human somatic cells normally contain 46 chromosomes in 23 pairs.
Which part of the cell contains the genetic material in a eukaryotic cell?
Answer: Nucleus
The nucleus houses the cell's DNA in eukaryotes.
What type of macromolecule are enzymes primarily made of?
Answer: Proteins
Most enzymes are proteins folded into specific shapes for catalysis.