check in quizzes Flashcards

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1
Q

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

A

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

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2
Q

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

A

hydrolysis rxn; used in the reaction; covalent bond

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3
Q

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

A

energy and in polymerized form it will help with structure

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4
Q

what type of bonds are important for secondary structure

A

hydorgen

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5
Q

why type of bonds are important for tertiary structure

A

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

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6
Q

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

A

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

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7
Q

True/false

chemicals such as carbon and nitrogen flow through an ecosystem

A

false then cycle

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8
Q

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

A

true

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9
Q

what are the six most abundant elements found in biological molecule

A

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

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