Cell Structure & Function
The organelle responsible for producing proteins
A. Ribosomes
B. Chloroplast
C. Mitochondria
D. Vacuole
What is A. Ribosomes?
Which term best describes the type of cell division in which parent cells produce daughter cells with the same number of chromosomes as the parent cells?
What is Mitosis
The energy molecule used by all cells is
What is ATP?
A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped?
A. osmosis
B. photosynthesis
C. protein synthesis
D. respiration
What is C-Protein Synthesis
Examples of this type of molecule are glucose and starch
What is carbohydrates?
Placing wilted lettuce in cold water will make it crisp again. Which statement best describes what happens to restore the lettuce to its original condition?
A. Water left the lettuce cells by diffusion.
B. Water entered the cells of the lettuce by osmosis.
C. Osmosis caused salts to enter the lettuce cells.
D. Salts in the leaf caused water to leave the cells.
What is B-Water entered the cells of the lettuce by osmosis.
Four haploid cells are produced by the process of
A. Meiosis
B. Mitosis
C. Osmosis
D. Active transport
What is A. meiosis
Process that occurs in chloroplasts that converts light energy into chemical energy in the form of glucose
What is photosynthesis?
In which way are photosynthesis and cellular respiration different?
A Cellular respiration stores ATP, while photosynthesis releases ATP.
B Cellular respiration produces oxygen, while photosynthesis uses oxygen.
C Photosynthesis releases energy, while cellular respiration stores energy.
D Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.
What is-D Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.
Enzymes are examples of this type of molecule
What is enzymes?
This organelle is the site of aerobic cellular respiration in eukaryotic cells.
What is Mitochondrion
Which phase of the cell cycle is NOT also a phase of mitosis?
A. Prophase
B. Metaphase
C. Anaphase
D. Interphase
What is D. Interphase
A. genetic recombination
B. energy involvement in gamete production
C. length of life cycle
D. number of offspring produced
A genetic recombination
In humans, glucose is kept in balance in the bloodstream by insulin. Which concept does this best illustrate?
What is Homeostasis
Monomers of this macromolecule are glycerol and fatty acids.
What is lipid?
A sugar, a phosphate group, and a nitrogen base form a nucleotide which is the building block (monomer) of which organic compound?
What is Nucleic Acid
A. Chromosomes become visible
B. Nuclear membrane disintegrates.
C. Crossing over of homologous chromatids
D. Spindle fibers begin forming
What is C. Crossing over of homologous chromatids
A process that requires oxygen, such as cellular respiration.
What is aerobic?
Pollen in plants is most similar to which type of cell in humans?
What is -Sperm
What is nucleic acid?
Predict what may occur if a cell skips the S phase?
Error in mitosis. Too little DNA for daughter cells. Daughter cells not identical.
If sperm are made with only 10 chromosomes in them, ______ chromosomes were in the parent cell that created these sperm.
What is 20?
The process that makes the most ATP is
A. aerobic respiration
B. anaerobic respiration
What is A. aerobic respiration?
What is the function of enzymes in biological systems?
A. Enzymes act as substrates when the necessary proteins are unavailable.
B. Enzymes act as products to create new chemical reactions.
C. Enzymes act as catalysts to drive chemical reactions forward.
D. Enzymes bond with substrates to create the new reaction products.
What is C Enzymes act as catalysts to drive chemical reactions forward.
The three elements found in carbohydrates, lipids, proteins and nucleic acids
What are C, H, O? (carbon, hydrogen, and oxygen)