Answer: c. signal amplification
Explanation:
The uncoupling of the G-protein and inhibiting of the signal amplification are the two affects of the pertusis toxin. It is released by the bacteria called <em>Bordetella pertusis. </em>The G-proteins are affected by the action of pertusis toxin. The production to the excess level of cAMP due to the conversion of ATP into cAMP the ribosylation of the ADP molecules occurs due to pertusis toxin. This leads to the damage of G-proteins.
Answer: It's not blocked
https://www.khanacademy.org/science/high-school-biology/hs-human-body-systems/hs-body-structure-and-homeostasis/a/tissues-organs-organ-systems
Answer - D
Gametes always have half the number of chromosomes compared to the somatic cells, hence an unfertilized egg would have half the chromosomes from the mother, and a fertilized egg will contain diploid number of chromosomes. Half of them from inherited from each of the two parents.
Answer:
<h2><em><u>Chlorophyll</u></em></h2>
Explanation:
<u>Chlorophyll, the primary pigment used in photosynthesis</u>, <em>reflects green light and absorbs red and blue light most strongly</em>.
In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.