SOL Review #5 practice

A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which has occurred?

• The swollen gums have absorbed the saltwater solution

• The saltwater solution lowers the temperature in the gums

• The salt in the solution has moved against the concentration gradient

• The water in the gums has moved from a high to a low concentration of water

Which organism is most likely to use anaerobic respiration (fermentation)?

• bird

• moss

• tree

• yeast

Which amino acid sequence can be coded from the DNA sequence CAG TAG CGA?

• Valine - Isoleucine - Glycine

• Valine - Aspartic Acid - Alanine

• Valine - Isoleucine - Alanine

• Valine - Phenylalanine - Alanine

Which disease most likely occurs after excessive exposure to ultraviolet radiation?

• malaria

• asthma

• skin cancer

• polio

RNA and DNA are which type of organic compound?

• carbohydrate

• lipid

• nucleic acid

• protein

Which is an example of osmosis?

• potassium ions moving in and out of an animal cell

• carbon dioxide moving into the leaf cells of a plant

• oxygen moving into the bloodstream from the lungs

• water moving into the root cells of a plant

A scientist treats a cell with a chemical that destroys the ribosomes. As a result, which cell process will be stopped?

• osmosis

• photosynthesis

• protein synthesis

• respiration

Hitchhiker’s thumb (H) is dominant to no hitchhiker’s thumb (h). A woman who does not have hitchhiker’s thumb marries a man who is heterozygous for hitchhiker’s thumb. What is the probable genotypic ratio of their children?

• 0% Hh : 100% hh

• 50% Hh : 50% hh

• 75% Hh : 25% hh

• 100% Hh : 0% hh

What will most likely be the result if all of the mitochondria are removed from a plant cell?

• It will be unable to carry out respiration

• It will lose water through osmosis

• It will break down the ribosomes in the cell

• It will be unable to photosynthesize

During strenuous exercise, body temperature increases. The body responds to the increase in temperature by sweating, which helps to reduce the body temperature. Which is demonstrated in this situation?

• excretion

• metabolism

• homeostasis

• synthesis