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kramer
3 years ago
12

Discuss the structural adaptation of the human body when it comes to reproduction​

Biology
1 answer:
murzikaleks [220]3 years ago
8 0

Answer:

Flowers produce seeds. Many flowers contain both male and female organs needed to produce new flowers. Flower petals are often colorful or have a scent to attract insects and other animals. The male organ of a flower that has an anther on a stalk (filament).

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The lifetime of an intracellular signaling molecule must be short for the cell to be able to cause a change in the concentration
ivann1987 [24]

Answer:

Statement B is false.

Explanation:

PKA and PKG is both have binding domains to attach with nucleoside monophosphate and help in modulating these enzymes that explains that PKA is more related to the PKG than PKC at the level of amino acid.

At the level of  polypeptide chain level PKG has single polypeptide chain whereas in PKA modulatory domains are located on different poly peptide chain. Both are activated by the nucluoside triphosphate, more precisely PKA by cAMP and PKG is by cGMP respectively, whereas PKC is activated by DAG or Ca or both depending on the isofom.

Thus, the correct answer is - option B.

4 0
3 years ago
Contrast the effects of harmful and helpful mutations.<br>HELP
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Answer:

The majority of mutations are neutral in their effects on the organisms in which they occur. Beneficial mutations may become more common through natural selection. Harmful mutations may cause genetic disorders or cancer.

Explanation:

4 0
3 years ago
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Which among these excerpts best reflects Byron’s appreciation of beauty?
Alisiya [41]
Out of the choices given, the excerpt that best reflects Byron's appreciation of beauty was "the nameless grace/Which waves in every raven tress." The excerpt comes from the poem "She Walks in Beauty." 
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3 years ago
Which of the following is defined as the ability to be changed or change according to circumstance
stellarik [79]

Answer:

flexibility

Explanation:

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2 years ago
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mote1985 [20]
Well the first difference is that PMS is mostly a psychological and somewhat physical syndrome. The proof is that the symptoms of PMS are irritability, stress and dysphoria. There is of course a lot of other symptoms like anxiety, insomnia, headache, fatigue, mood swings, and increased emotional sensitivity. The cause of PMS are the changes in levels of estrogen and progesterone. Now, menstrual cramps are physical condition. The symptom is pain in lower abdomen. And the cause is the menstruation itself. So there you have the differences. PMS as its own name says (Premenstrual syndrome) occurs before menstruation, more accurately 5 - 10 days before menstruation which is luteal phase of menstrual cycle. Menstrual cramps can occur several days before menstruation or can occur when menstruation starts, and they slowly disappear as menstruation slowly ends
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3 years ago
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