In both cases, the detection of periodic variation in the environment results in a reproductive cycle timed to environmental conditions that optimize the opportunity for success.
<h3>What is lunar-linked rhythm ?</h3>
Seashore plants and animals are subjected to a rhythmic change by the lunar tidal rhythm, which is the regular ebb and flow of oceans and very large inland bodies of water. Typically, two high and two low tides occur each day (about 24.8 hours).
- Circadian rhythms provide a crucial function by preparing your body for impending environmental changes including, for instance, the best times to be active, sleep, and eat. The sun's light/dark cycle is the most powerful external stimulus.
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Answer:
No, proteins don't carry out translation, ribosomes do.
And even if one considered the fact that ribosomes contain proteins (even though it is the ribosomal RNA part that links amino acids together in translation), it still would not be true that the variations in base sequence required more ribosomal proteins.
Explanation:
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its the only way i could explain it sorry
Mangrove pneumatophore roots absorb carbon dioxide from the air.
<h3>WHAT ARE PNEUMATOPHORES?</h3>
Pneumatophores, also called breathing roots, are types of roots possessed by mangrove plants.
Mangrove plants are adapted to swampy conditions, hence, must possess adaptational features that ensures their survival.
Pneumatophores help the mangrove plants to exchange gases like carbon dioxide and oxygen in the atmosphere.
Therefore, mangrove pneumatophore roots absorb carbon dioxide from the air.
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Out of the following given choices;
<span>A. </span>The sodium channels would open and close randomly, regardless of the presence of light.
<span>B. </span>The sodium channels would remain closed in the light and the dark, even when cGMP decreases after light stimulation.
<span>C. </span>The sodium channels would remain open in the dark and close rapidly to the light.
<span>D. </span>The sodium channels would remain open longer, even when cGMP decreases after light stimulation.
The answer is D. cGMP maintain the sodium channels open when there is no light stimulation. This ensures that there is high intracellular Ca2+ concentration due to the Na+/Ca2+-K+ exchanger. When cGMP is hydrolyzed in light stimulation cascade, the channels close causing hyperpolarization of the rod cells.
Answer:
Explanation:
The action of drugs on the human body is called pharmacodynamics, and what the body does with the drug is called pharmacokinetics. The drugs that enter the human tend to stimulate certain receptors, ion channels, act on enzymes or transporter proteins. As a result, they cause the human body to react in a specific way.