Which of the following is the main reason that humans need to include carbohydrates in their diet?
a. Carbohydrates act as catalysts to speed up chemical reactions.
b. Carbohydrates are broken down in cells for energy.
C. Carbohydrates combine to form many different proteins.
d. Carbohydrates are the building blocks for cell growth and repair.

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

Amouse that is homozygous for the dominant trait has the genotype . it has . a mouse that is homozygous for the recessive trait has the genotype . it has . image of fur color of mice

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?