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Mrrafil [7]
3 years ago
15

In living cells chemical processes such as synthesis all require the action of

Biology
2 answers:
NeX [460]3 years ago
7 0
It seems that you have missed the given options for this question, but anyway, the correct answer is BIOLOGICAL CATALYSTS. <span>In living cells chemical processes such as synthesis all require the action of biological catalysts. Biological catalysts are enzymes that speed up the chemical processes in the body. Hope this answer helps.</span>
RSB [31]3 years ago
6 0

The correct answer is:

BIOLOGICAL CATALYSTS.

 In living cells chemical processes such as synthesis all require the action of biological catalysts. Biological catalysts are enzymes that speed up the chemical processes in the body.

Explanation:

Enzymes are water-soluble protein molecules that can promote up chemical reactions in cells. These reactions constitute respiration, photosynthesis and manufacturing new proteins. For this purpose, enzymes are seldom called biological catalysts. In fact, the human body would not survive outwardly enzymes because the chemical reactions needed to sustain the body simply would not occur fast enough.

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When hydrogen ions are decreased, is the pH higher or<br>lower?<br>wi<br>and for​
Papessa [141]

Answer:

The overall concentration of hydrogen ions is inversely related to its pH and can be measured on the pH scale . Therefore, the more hydrogen ions present, the lower the pH; conversely, the fewer hydrogen ions, the higher the pH.

3 0
3 years ago
Which of the following are the reproductive parts of an angiosperm flower? A. anther and ovary B. sepal and anther C. vary and s
Simora [160]

The answer is A. anther and ovary.

The female part of an angiosperm flower is called a pistil and it consists of a style, stigma and ovary. The male part of an angiosperm flower is called a stamen and it consists of an anther and corolla. Thus, among all choices, choice A is the answer.

Choice B - anther is the male part of the flower, but sepal is a protective part of the flower and not reproductive.

Choice D - stigma is the female part of the flower, but sepal is a protective part of the flower and not reproductive.

Choice C - "vary" is not a word, but it is a mistake and it should be "ovary,"  the answers could be both choice A and C.


8 0
3 years ago
Which of the following statements is FALSE?
krek1111 [17]

Answer:

Answer is A. Cdk7 of the CAK (TFIIH component) phosphorylates Cyclin 8 of the Mediator to down regulate promoter activity.

Refer below.

Explanation:

Cdk7 of the CAK (TFIIH component) phosphorylates Cyclin 8 of the Mediator to down regulate promoter activity is a FALSE STATEMENT.

7 0
3 years ago
SCIENCE HELP !!! 10 POINTS
Nezavi [6.7K]
Man i hate school that really makes my head hurt
5 0
3 years ago
The cycads, a mostly tropical phylum of gymnosperms, evolved about 300 million years ago and were dominant forms during the age
ozzi

Answer:

poliinators and flagellated sperm

Explanation:

Cycads (phylum Cycadophyta) together with Ginkgophyta, Gnetophyta, Pinophyta, Pteridospermales and Cordaitales  belong to the gymnosperms (naked seed-producing plants). They are different than angiosperms which produce encased seeds within an ovary.

Cycads (but also Ginkgo) produce swimming sperm that is different than all other groups which produce sperm without swimming flagella.

Also, unlike other groups of gymnosperms, cycads have specialized  pollinators, beetls.

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3 years ago
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