Explanation:
ADP is composed of 2 phosphate groups bonded to 5 carbon atoms of ribose
glucose or sugar backbone attached to Adenine.
The answer is B.
Answer:
The correct answer is - It promotes breakdown of fat and protein.
Explanation:
Cortisol is a steroid hormone that is released by the adrenal glands that are located on the kidney. Cortisol act on various body part. The elevated levels of these hormones stimulates the breakdown of the carbohydrate and fat to release the energy in urgent required condition or fast energy.
The prolonged cortisol level can lead to breakdown of the protein inwhich is leads to the proteolysis and lipolysis and circulating the amino acids and free fatty acids.
Thus, the correct answer is - It promotes breakdown of fat and protein.
Answer:
The correct answer is option B, that is, an endoskeleton evolved to enclose the dorsal nerve cord, which develops from the notochord.
Explanation:
It has been discovered that the ancestors of the modern-day fish were vertebrate chordates. The vertebrate chordates are considered to have evolved from the invertebrate chordates that are identical to the present day tunicates. It has been found that in vertebrates the endoskeleton has evolved to encompass the dorsal nerve cord that has been developed from the notochord (a characteristic of invertebrates).
The cluster of cells in the ovule of a fertilized flowering plant that has not yet formed into an embryo is called a proembryo.
<h3>What is a proembryo? </h3>
It is a structure that is developed after the egg is segmented and the formation of the true embryo is yet to take place.
After the egg and the sperm nuclei are fertilized, the apical and basal cells are formed after cell division. The cell division is asymmetrical in the case of monocot and transverse in the case of divots.
Apical cells turn into the proembryo and eventually the embryo. This development is supported by the suspensor cells from the basal cells.
Therefore, the cluster of cells in the ovule of a fertilized flowering plant that has not yet formed into an embryo is called a proembryo.
Read more about double fertilization in plants, here
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Stems can be said to be like a street with two way traffic because it performs two sole functions; stem transfers water and minerals to the leaves in upward direction for the photosynthesis to take place by xylem. Also, it transfers the food (glucose) from the leaves to other parts of the plant in downward direction by phloem.