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Which of the following is NOT made up of glucose monomers?
a. cellulose
b.all of these are made of glucose
c. amylopectin
d.chitin
e. amylose - 🧠 ANSWER ✔✔Chitin
Non-covalent bonds stabilize all levels of protein structure except:
a. quaternary structure
b. secondary structure
,c. tertiary structure
d. folded structure
e. primary structure - 🧠 ANSWER ✔✔Primary structure
Which of the following is found only in DNA and not RNA?
a. adenine
b. uracil
c. guanine
d. thymine
e. cytosine - 🧠 ANSWER ✔✔Thymine
What is the most common monosaccharide on the planet?
a. glucose
b. aldose
c. fructose
d. saccharide
e. sucrose - 🧠 ANSWER ✔✔Glucose
Which of the following is always charged?
,a. phospholipid
b. fat
c. steroid
d. triglyceride
e. all of these are charged - 🧠 ANSWER ✔✔Phospholipid
Adding a biological molecule to water will lower the pH if it has a lot of
which functional groups?
a. carboxyl
b. carbonyl
c. sulfhydryl
d. methyl
e. amino - 🧠 ANSWER ✔✔Carboxyl If you move all the elements around in
a molecule, but you do not add or subtract anything, you have created:
If you move all the elements around in a molecule, but you do not add or
subtract anything, you have created:
a. an isotope
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, b. an enantiomer
c. a steroid
d. a functional group
e. an isomer - 🧠 ANSWER ✔✔Isomer
A hydrocarbon is a high energy molecule because:
a. it is composed solely of hydrogens and carbons
b. it is highly charged
c. it is highly hydrophobic
d. breaking C-H and C-C bonds releases lots of energy
e. hydrogen is a high energy fuel - 🧠 ANSWER ✔✔Breaking C-H and C-C
bonds releases lots of energy
Amino acids and nucleic acids have been found on meteorites, how did
they get there?
a. all of the answers are correct
b. from breakdown of living organisms
c. from natural processes, similar to the Miller-Urey experiment