Why is the human body a conductor? a)This is wrong: the human body is not a conductor. b)Nerve cells conduct electricity. c)Calcium is a metal, so the calcium in bones makes the body conducting. d)The body cells contains ions and ions conduct electricity. e)Iron is a metal, so the iron in blood makes the body conducting.

Q: Which class of biological molecules has the most diverse functions, including transport, structure,…

A: Protein is the biomolecules that has the most diverse functions, including transport, structure,…

Q: Breaking large molecules into smaller ones is catabolic and releases energy. Conversely, building…

A: Metabolism is process of various biochemical reactions that breaks and makes the molecules in the…

Q: This molecule is a: a) phospholipid b) nucleic acid c) fatty acid d) carbohydrate e) amino acid

A: Biological lipids are a chemically diverse group of organic compounds which are insoluble or only…

Q: Tony has asked you to identify an unknown solution. During one of the tests you perform your sample…

A: Biuret test: This is a test performed to identify the presence of protein in the given sample.  The…

Q: Which of the following is present in sphingolipids? a). fatty acid b). carbohydrate c). phosphate…

A: Lipid molecules are o amphipathic nature and these molecules are used to make the plasma membrane.…

Q: Which statement about sterols is TRUE? Question 7 options: A) The principal sterol of animal cells…

A: Sterols play crucial roles in the body, including providing stability to cell membranes, regulating…

Q: Which one of the following vitamins or enzymes is NOT able to protect against the free radical…

A: Antioxidants prevent free radical injury and prevent the cell from undergoing damage. Free radicals…

Q: Which of the following statements (s) about the ESA is not true

A: Answer is option a

Q: ach

A: B. ACH or Acetylcholine is the only neurotransmitter that is present in the somatic muscular…

Q: Which of the following is/are true concerning the first law of thermodynamics?

A: Thermodynamics is the part of science that deals with heat and temperature, and their relation to…

Q: fiber

A: Carbohydrates serve as vital macronutrients, supplying the body's primary energy source. These…

Q: 45. Which statement does NOT describe a strategy used by multicellular animals to maintain osmotic…

A: Introduction :- The contractile vacuole is an organelle found in some single-celled organisms such…

Q: 1- The cell membrane is considered semipermeable because: a) It allows the passage of all substances…

A: Since you have posted the multiple mcq questions so we are supposed to answer 3 questions. In the…

Q: Chymotrypsin  A.) cleaves peptide bonds preferentially at aromatic amino acids B.) is an oxygen…

A: Amino acids are liked each other by peptide bonds is called protein. Peptide bonds are amide bonds,…

Q: 23. Which is not a function of proteins: a) catalyzing reactions b) structural properties such as…

A: Option (c) is the answer, as it is not a function of protein.

Q: Two wavelengths of light strike a living cell, one has a wavelength of 12 nm, and one has a…

A: A wavelength can be defined as one cycle of wave and it's measured as the distance between two…

Q: Which structure is circled in the picture? A) mitral B) bicuspid C) atrial D) tricuspid

A: Heart is the main organ of the circulatory system. In vertebrates it is located on the ventral side…

Q: Which of the following is true as it relates to the phosphorylation of enzymes?   a)…

A: Enzymes are biocatalyst that means they increase the rate of reaction by lowering the activation…

Q: The difference between cholesterol molecule and the hopanoid molecule in bacteria is that the…

A: To distinguish between cholesterol and hopanoids in bacteria based on their characteristics and…

Q: Which one of the following is an enzyme? A) glucose B) cholesterol C) phospholipid D)…

A: Enzymes are biological molecules that act as catalysts in living organisms, speeding up essential…

Q: Which of the following statements is TRUE? A) Monosaccharides are the building blocks of…

A: Carbohydrates are long chains of sugar molecules that are mainly used for energy. There are three…

Q: f a particle in an electric field E experiences a force F, what also must be true? A)The particle…

A: The electric field from a positive charge points away from the charge; the electric field from a…

Q: Lactic acid contributes to muscle fatigue because it affects: a) the enzyme that activates myosin.…

A: Glycogen is the stored form of glucose found in muscles , which is used to synthesize ATP( energy)…

Q: Which of these is not a component of phosphatidylcholine?  a)  glycerol   b)  phosphate  c)  choline…

A: The objective of the question is to identify the component that is not part of the structure of…

Q: Suppose that liver cells were placed into a bowl containing hypotonic solution. What would you…

A: A solution is a homogenous mixture that contains more than one component in it. The component that…

Q: What kind of molecule is cyclic AMP? A) second messenger B) Ion C) protein D) phospholipid E)…

A: Cyclic AMP or cAMP is a small molecule derived from adenosine triphosphate (ATP) that acts as a…