Connective tissue includes adipose tissue, tendons, bone, cartilage, and blood. What do all these tissues have in common?
A. They all consist of few cells sparsely distributed in large amounts of extracellular material.
B. They all provide structural support to the body.
C. They all physically bind other tissues together.
D. They are all hard tissues.
Answer: A
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The breast muscle of a wild duck is dark, while that of a domesticated chicken is white. The breast muscle in a wild duck consists predominately of
A. fast-twitch muscles with abundant capillaries and mitochondria. B. fast-twitch muscles with few capillaries or mitochondria. C. slow-twitch muscles with abundant capillaries and mitochondria. D. slow-twitch muscles with few capillaries or mitochondria. E. random-twitch muscles with few capillaries or mitochondria.
Which three of the following groups are most commonly used to covalently modify an enzyme and its activity? (Check all that apply.)
A. Methyl group B. Hydroxyl group C. Phosphoryl group D. Adenyl group
Variations in rates of growth for different parts of the body are referred to as:
a. allometric growth patterns. b. adaptive growth patterns. c. allopatric growth patterns. d. allopolyploidy. e. preadaptations
Describe the organization of the ?-globin gene in humans
What will be an ideal response?