Clonal selection identifies a __ lymphocyte that needs to be cloned for production of a specific antibody.
is B.
Answer:
A
Explanation:
The climate of a region is determined through the observation of weather patterns over a long time- usually at least 15 years- in a region. Studying climate change would therefore also take very long time as meteorologists attempt to perceive changes in these weather patterns. In this case 30 years can be enough to notice a significant increase in rainfall patterns which can be classified as climate change.
Answer:
True
Explanation:
Catecholamines refer to the hormones produced by the adrenal gland present on the upper side of the kidney.
The catecholamine hormone includes the epinephrine, norepinephrine and the dopamine.
During stress conditions, the sympathetic division of the autonomic nervous system gets activated which leads to the release of the norepinephrine from the postganglionic neurons and the prolonged-release leads to the release of the adrenaline from the adrenal glands.
Thus, true is the correct answer.
Answer:
luteinizing hormone.(LH).
Explanation:
Luteinizing hormone specially stimulates cells in the seminiferous tubules to particularly secrete testosterone, which has a role in sperm production and developing male secondary sex characteristics.
