Which statement best describes Pseudomonas aeruginosa bacteria? (1) they cause mutations in humans. (2) they are easy to control. (3) they cause major infection problems in hospitals. (4) they are deadly only to people with cystic fibrosis.

Which of the following could result from a algae bloom in a river. a. algae purify water b. local plants produce flowers early c. fish would die d. plant and animal population would increase

Some regions of the world are capped with volcanic flows which are thousands of feet thick. True False

Summarize the process of meiosis and describe its purpose.

Describe the rings of Saturn, including their relative size and what they are made of.

When testing to determine the presence of lipids in food, which solution or reagent should be used? A) Biuret solution B) Iodine solution C) Sudan Red solution D) Benedict's solution

How many chromosomes do humans have?

Pairing of homologous chromosomes in prophase of meiosis I appears to be critical for proper alignment, crossing over, and subsequent separation. This pairing is facilitated by the sharing of sequence homology between homologous chromosomes.

What does "leeward" mean?

Which lipid acts as a chemical messenger? a. adipose tissue b. cholesterol c. testosterone d. beeswax

The degradation of alanine yields pyruvate and the degradation of leucine yields acetyl coa. can the degradation of each of these amino acids directly replenish the pool of tca intermediates? explain why or why not.