Complete Solutions
1st commonality between cells, AKA the central dogma of
molecular biology Correct Answers In all living cells, these
polymers are present and have these same functions
2nd commonality between cells Correct Answers All cells
require ENERGY to function
2nd strongest bond? Correct Answers Ionic
4 main biological groups Correct Answers - Sugars
- Fatty Acids
- Amino Acids
- Nucleotides
A common strategy in pathways is to Correct Answers couple
reaction of theactivated carrier to generate a high energy
intermediate forthe reaction that has more favorable reactivity
A double bond between two atoms... Correct Answers
Constrains the geometry ofa molecule by preventingrotation
around this bond
A protein's structure will be determined by its Correct Answers
primary sequence
A second strategy very common in cells is non-covalent Correct
Answers binding of the nucleotides ATP/ADP and GTP/GDP.
,Each transition of binding and hydrolysis of the nucleotide
produces conformation changes controlling protein activities.
A single molecule can contain bothhydrophobic and hydrophilic
domains; suchmolecules are called Correct Answers
amphipathic.
Access to chromosomal DNA of eucaryotes for both replication
and gene expression can be controlled by nucleosome dynamics,
T or F? Correct Answers TRUE
Activities of most enzymes within the cell are Correct Answers
strictly regulated
All cells are "self contained" and behave autonomously, TRUE
OR FALSE? Correct Answers FALSE
All cells in an organism possess the same number of organisms,
TRUE OR FALSE Correct Answers FALSE
All cells in eucaryotes contain a single nucleus, TRUE OR
FALSE Correct Answers FALSE
Amino acids are linked together by what Correct Answers
covalent peptide bonds
Anabolic reactions Correct Answers Generate the many
complex organic molecules needed by the cell, they require an
energy input
, Antibodies are highly useful for Correct Answers detection and
purification of specific proteins
Antibodies contain many Correct Answers intra- and inter-
polypeptidedisulfide bridges that help maintain their
conformations
At the active sit of an enzyme, what happens? Correct Answers
the amino acid side chains of the folde dprotein are precisely
position so that they favor the formation of the high-energy
transition states that the substrates must pass through to be
converted to product
ATP and GTP serve to Correct Answers regulate many protein
activities and Interactions in cells
ATP carries .... Correct Answers "high-energy" phosphate
groups
Biomolecules containing non polar bonds tend to be Correct
Answers hydrophobic
Biomolecules containing polar and ionicbonds often tend to be
Correct Answers hydrophilic
By modifying proteins, cells create Correct Answers at least
two potential states of activity for any modified protein. This
increases functionality without having to synthesize more
proteins.