Answer:
Hydrogen bonds are weak, noncovalent interactions, but the large number of hydrogen bonds between complementary base pairs in a DNA double helix combine to provide great stability for the structure.
Explanation:
Receptors<span> are generally transmembrane </span>proteins<span>, which bind to signaling molecules outside the cell and subsequently transmit the signal through a sequence of molecular switches to internal signaling pathways</span>
The Earth’s atmosphere is important to living things because it protects organisms from the suns harmful ultraviolet radiation. It also provides oxygen for humans and animals to breathe, and carbon dioxide for the plants.
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Pollen contains the male gamete.
The pollen from one plant is transferred to the stigma of another plant of the same species. Stigma is the female part.
It is c because it says mostly true but b is also true.
