When climbing a high mountain you get out of breath easily because ...

A) the percentage of nitrogen in the air falls

B) the air is more dense

C) there is less oxygen in each cubic meter of air

D) the air pressure is greater

Of the three lipid types, are phospholipids more similar to fats true or false

The presence of a specific trait is genetically inherited. There are only two possible outcomes for this trait: an individual either inherits the trait or does not inherit the trait.

What structures make the heart an efficient pump?

How are hormones and prostaglandins similar? how are they different?

What are the parts of a phospholipid molecule Glycerol + two fatty acids + phosphate group Adenosine + three phosphate groups Ribose + phosphate group + nitrogen base Glycerol + three fatty acids

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.