check in quizzes

Question 1

Identify the types of noncovalent bonds or interactions indicated by A B and C in the figure below

Answer 1

A: ionic bond
B: van der waals
C: hydrogen bond

Question 2

what type of reactions take place when food molecules like proteins and polysaccharides are being broken down in the digestive tract

what is the role of water in this biochemical reaction?

what type of bond was broken in this chemical reaction

Answer 2

hydrolysis rxn; used in the reaction; covalent bond

Question 3

what are two functions that glucose performs in a cell of organisms

Answer 3

energy and in polymerized form it will help with structure

Question 4

what type of bonds are important for secondary structure

Answer 4

hydorgen

Question 5

why type of bonds are important for tertiary structure

Answer 5

hydrogen bond, hydrophobic interactions, disulfide bridge, ionic bond, polypeptide backbone

Question 6

categories of energy use and example of its biological process/activity

Answer 6

maintenance: repair broken DNA
-reproduction: spend time caring/providing for young
-growth: build up fatty tissue for hibernation

Question 7

True/false

chemicals such as carbon and nitrogen flow through an ecosystem

Answer 7

false then cycle

Question 8

true/false

an autotroph is an organism that makes its own chemical energy while heterotrophs are organisms that acquire their chemical energy by consuming organic matter produced by other organisms

Answer 8

true

Question 9

what are the six most abundant elements found in biological molecule

Answer 9

nitrogen, oxygen, carbon, hydrogen, phosphorous, and sulfur