Pumice is a volcano rock that is commonly light enough to float
Answer:
1. 2. 4. 5. 7 and 8
Explanation:
3. False: A single stimulus can activate multiple target cells.
6. False: A ligand does not phosphorylate protein residues but can bind and activate kinase receptors resulting in conformational changes that induce intracellular phosphorylation of target protein domains.
9. False: Second messengers relay stimulus to intracellular targets. e.g calcium can act as a second messenger.
Explanation:
Importance of Pre-marital counselling
Premarital counselling helps to improve the communications between the partners and set realistic goals for marriage. It also helps to develop conflict-resolution skills. A positive attitude is established between the couples with the help of premarital counselling.
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Answer:
Common examples of ectoparasites include fleas, head lice and bed bugs.
Explanation:
Answer:
The partial pressure of oxygen is high in the alveoli and low in the blood of the pulmonary capillaries
