BIOS 251 Week 2 Practice Quiz, Assignments of Biology

BIOS 251 Week 2 Practice Quiz...

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2024/2025

Available from 11/20/2025

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Question 1 1.75 / 1.75 pts The monomer of DNA is amino acids nucleotides nucleic acids Question 2 1.75 / 1.75 pts "Bio" is a word root meaning "life" and "logy" is a suffix meaning "study of". Which of the following disciplines best fits with the deconstructive analysis? Anatomy Biology Question 3 1.75 / 1.75 pts Study of living organisms is known as Biology Biophysics Physics Biochemistry Question 4 1,75 / 1.75 pts Adding hydroxyl oxide (OH) to a solution would make the solution’s pH more alkalotic acidic Question 5 1.75 / 1.75 pts By lowering the energy of activation, facilitate chemical reactions lipids enzymes proteins : 1.75 /1.75 pt Question 6 ed COzis____ er a base molecule an acidic molecule Question 9 1.75 / 1.75 pts The equals the number of protons of an element. mass number atomic number atomic mass Question 10 1.75 / 1.75 pts A complete protein contains an adequate amount of each of the nine essential amino acids; plants are an excellent source of these proteins. True False Question 11 1.75 / 1.75 pts Which of the following is not an example of a polysaccharide? Cellulose Fructose Glycogen Starch Question 12 1.75 / 1.75 pts According to base pairing rules, adenine binds with thymine and cytosine binds with guanine. True False Question 13 BAP Neuroglycopenic symptoms (dizziness, obtunded or altered mental status) become evident when hypoglycemia occurs (glucose levels < 50). To elevate plasma glucose levels back to normal range (60 to 100), glucagon hormone, released from alpha cells of the pancreas, increases blood glucose levels by directing liver cells to start glycogenosis (breaking down of glycogen, a polysaccharide polymer made up of glucose units) into glucose (a monomer) which is then in turn transferred to the blood. True False Question 15 oy ents Identify the components associated with enzyme-substrate reactions. Enzyme-Substrate Reactions ‘9 "3 Reaction | Substrate ~ | B Product Ne c Enzyme v