Biology, 13.09.2019 02:30 sydneydavis57
Lipid-soluble signaling molecules, such as aldosterone, cross the membranes of all cells but affect only target cells because
a. only target cells retain the appropriate dna segments.
b. intracellular receptors are present only in target cells.
c. only target cells have enzymes that break down aldosterone.
d. only in target cells is aldosterone able to initiate the phosphorylation cascade that turns genes on.
Answers: 3
Biology, 21.06.2019 22:00, queenpanda365
Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.
Answers: 3
Biology, 22.06.2019 01:30, emmilicious
The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?
Answers: 1
Biology, 22.06.2019 03:00, keke0529
1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit
Answers: 3
Lipid-soluble signaling molecules, such as aldosterone, cross the membranes of all cells but affect...
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