Biochemistry

Metabolism Regulation MCQs with Answers

Welcome to the Metabolism Regulation MCQs with Answers. In this post, we have shared Metabolism Regulation Online Test for different competitive exams. Find practice Metabolism Regulation Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Metabolism Regulation.

Metabolism regulation is a crucial aspect of biochemistry that focuses on how cells control metabolic pathways to maintain homeostasis and adapt to environmental changes. This process involves the coordination of various biochemical reactions that produce and utilize energy, synthesize essential molecules, and degrade waste products.

Central to metabolism regulation are enzymes, which act as biological catalysts that accelerate metabolic reactions. Enzyme activity is tightly regulated through mechanisms such as allosteric regulation, covalent modification, and feedback inhibition. Allosteric regulation involves the binding of molecules at sites other than the active site, altering enzyme activity. Covalent modification includes processes like phosphorylation, which can activate or inhibit enzymes. Feedback inhibition occurs when the end product of a metabolic pathway inhibits an earlier step, preventing the overproduction of substances.

Hormonal control is also vital in regulating metabolism. Hormones such as insulin, glucagon, and adrenaline influence metabolic processes by signaling cells to adjust their activity. For example, insulin promotes glucose uptake and storage, while glucagon stimulates glucose release into the bloodstream.

Understanding metabolism regulation has significant implications for health and disease. Dysregulation can lead to metabolic disorders such as diabetes, obesity, and cancer. Research in this field aids in developing therapeutic strategies to manage these conditions and optimize metabolic health.

Metabolism Regulation Online Quiz

By presenting 3 options to choose from, Metabolism Regulation Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Metabolism Regulation Questions and Answers and click over the correct answer.

  • Test Name: Metabolism Regulation MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

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Metabolism Regulation MCQs

Metabolism Regulation

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1 / 40

Which hormone is primarily responsible for stimulating lipolysis?

2 / 40

How does ATP inhibit isocitrate dehydrogenase?

3 / 40

Which hormone is primarily responsible for decreasing blood glucose levels?

4 / 40

Which enzyme is regulated by fructose-2,6-bisphosphate?

5 / 40

What is the effect of epinephrine on glycogenolysis in the liver?

6 / 40

What is the primary effect of glucagon on the liver?

7 / 40

Which molecule is an allosteric activator of phosphofructokinase?

8 / 40

Which enzyme is inhibited by ATP and citrate in glycolysis?

9 / 40

What is the main regulatory enzyme of the citric acid cycle?

10 / 40

What is the effect of high levels of acetyl-CoA on pyruvate dehydrogenase?

11 / 40

What is the role of cortisol in metabolism?

12 / 40

How does insulin affect the enzyme glycogen synthase?

13 / 40

Which enzyme is inhibited by high levels of citrate?

14 / 40

What is the primary effect of insulin on muscle cells?

15 / 40

How does citrate affect acetyl-CoA carboxylase?

16 / 40

What is the main regulatory enzyme of gluconeogenesis?

17 / 40

Which enzyme is the rate-limiting step in cholesterol synthesis?

18 / 40

Which hormone decreases blood glucose levels?

19 / 40

How does epinephrine affect glycogen breakdown in muscle cells?

20 / 40

What is the main regulatory enzyme of glycolysis?

21 / 40

What is the effect of statins on cholesterol levels?

22 / 40

What is the primary role of AMP-activated protein kinase (AMPK) in metabolism?

23 / 40

How does ATP affect phosphofructokinase activity in glycolysis?

24 / 40

How does malonyl-CoA affect carnitine palmitoyltransferase I (CPT I)?

25 / 40

What is the primary effect of AMP on phosphofructokinase?

26 / 40

How does ATP affect the enzyme pyruvate kinase?

27 / 40

How does high levels of AMP affect glycogen phosphorylase?

28 / 40

Which molecule is a key activator of pyruvate carboxylase?

29 / 40

Which enzyme is the rate-limiting step in fatty acid synthesis?

30 / 40

What is the primary effect of insulin on adipose tissue?

31 / 40

How does insulin affect fatty acid synthesis?

32 / 40

How does AMPK affect muscle glucose uptake?

33 / 40

What is the primary effect of AMPK on fatty acid oxidation?

34 / 40

How does high NADH/NAD+ ratio affect the citric acid cycle?

35 / 40

How does glucagon affect hepatic glucose production?

36 / 40

How does insulin affect glycogen synthesis in muscle cells?

37 / 40

What is the effect of high levels of ATP on glycolysis?

38 / 40

What is the effect of glucagon on hepatic fructose-2,6-bisphosphate levels?

39 / 40

How does glucagon affect glycogen synthesis in the liver?

40 / 40

What is the effect of insulin on glucose transporter type 4 (GLUT4) in muscle cells?

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