Which of the following is correct about S-adenosylmethionine (SAM) is formed from the amino acid methionine so that

A) methyl groups can be formed.

B) it can react with nucleophilic acceptors.

C) it can donate methyl groups in many biosynthetic reactions.

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#Question id: 32355

#Unit 1. Molecules and their Interaction Relevant to Biology

Glucose 6-phosphate allosterically inhibits

A) hexokinase I

B) glucokinase

C) hexokinase II

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#Question id: 12047

#Unit 7. System Physiology – Animal

Biopsies are taken from the antral and duodenal mucosa of a 65-year-old woman. Which of the following hormones can be found in tissue homogenates from both locations?

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#Question id: 5620

#Unit 5. Developmental Biology

Izumo binds to an oocyte protein called Juno. If eggs deficient in Juno

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#Question id: 28097

#Unit 6. System Physiology – Plant

Asada-Halliwell pathway protects plants against oxidative stress during unfavorable environmental growth regimes 

a. Also known as The ascorbate-glutathione pathway 

b. Involved only enzymatic reaction 

c. Involved both enzymatic as well as non enzymatic reation 

d. Is an indispensable component of the ROS homeostasis mechanism of plants

Which of the following is correct

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#Question id: 4452

#Unit 3. Fundamental Processes

A final DNA element that binds RNA polymerase is sometimes found just downstream from the –10 element. This element is called the