Verified Study Solutions
Cohesion, surface tension, and adhesion are the properties of water molecules that
a) increase when temperature increases
b) results of ionic bonding
c) results of hydrogen bonding
d) results of polar covalent bonding ANS C : hydrogen bonding
Starch, cellulose, and glycogen are long chains of
a)amino acids
b) glucose
c) fatty acids
d) nucleotides ANS B : glucose
A nucleotide is made of
a) a sugar and a purine or pyrimidine
b) a nitrogenous base and a sugar
c) a nitrogenous base and a phosphate group
d) a nitrogenous base, a phosphate group, and a sugar ANS D: a nitrogenous base, a phosphate
group, and a sugar
Which is correct when comparing prokaryotes to eukaryotes
a) prokaryotic cells are generally bigger than eukaryotes
b) only prokaryotic cells have cell wall
, c) both use ribosomes for protein synthesis
d ) chromatin is a term used to describe bacterial genome
e) eukaryotic cells ouse their genome in the nuclei region ANS C: both use ribosomes for protein
synthesis
The level of structure of a protein described as alpha helices or beta sheets is
a) primary structure
b) secondary structure
c) tertiary structure
d) quaternary structure ANS B: secondary structure
Suppose a young boy suffers from a metabolic disease that causes chronic fatigue. Which of the
following organelles is most likely malfunctioning in his cells?
a)lysosomes
b)Golgi apparatus
c)mitochondria
d)smooth endoplasmic reticulum ANS C: mitochondria
Which of the following structures form cytoplasmic channels that connect-adjacent plant cells
through the cell walls?
a)desmosomes
b)gap junctions
c)plasmodesmata
d)tight junctions ANS C: plasmodesmata
A solution with a pH of 2 has how many more protons in it than a solution with a pH of 4?
a)2 times more