Crossing over: crossing over can mean any number of things. It could mean transforming, like making a change, or something as silly as crossing a bridge. In biological terms, it means transforming onto another stage, like a caterpillar making a chrysalis so it can cross over ino the final stage of its life: a beautiflul butterfly.
I took bio last year and I remember something about how many amino acids there are and I think it’s about thirty or so
The answer is magnetic reversal
i just g00gled it and it was right
Answer:
The two thyroid hormones that affect the metabolic rate are thyroxine and triiodothyronine.
Explanation:
The thyroid gland is an endocrine gland, which is present below the Adam's apple, in the neck. The thyroid gland secretes two thyroid hormones and calcitonin.
The thyroid hormones, produced and secreted by the thyroid gland, influence the synthesis of proteins, metabolic rate and development. The two thyroid hormones are thyroxine and triiodothyronine.