Approximately how many genes are present in the human genome?
A) 3 billion genes
B) 20 billion genes
C) 100,000 genes
D) 20,000 genes
E) 50,000 genes
D
You might also like to view...
Some energy gets stored in molecules that most consumers cannot break down. For example, most carnivores cannot access energy tied up in bones, scales, hair, feathers, or fur. What effect does this have?
a. More energy is lost through heat by the energy needed for digestion. b. Energy transfer between trophic levels is efficient. c. It increases the need for many trophic levels. d. Only a small percent of the energy in an organism ends up in tissues of an organism at the next trophic level. e. Second-level consumers do not require as much energy.
Which of the following is an aggregate fruit?
a. peas b. acorns c. pineapples d. strawberries e. cherries
__________ secrete hormones into blood. Fill in the blank(s) with the appropriate word(s)
Some sensory receptors stop sending action potentials even though the original stimulus persists. This is known as which one of the following?
A) receptor overload B) receptor adaptation C) receptor shutdown D) receptor oversight E) receptor discontinuance