Term
A dynamic steady state results when |
|
Definition
the rate of intake or synthesis of a molecule equals the rate of its disappearance |
|
|
Term
|
Definition
that exchanges both matter and energy with its surroundings |
|
|
Term
What is true about the energy from sunlight |
|
Definition
Photosynthetic cells use light energy to drive electrons from one molecule to another |
|
|
Term
What is true about carbon bonding |
|
Definition
Carbon atoms can form covalent bonds with up to four other atoms |
|
|
Term
The difference between phototrophs and chemotrophs is |
|
Definition
|
|
Term
Both prokaryotic and eukaryotic cells possess which of the following |
|
Definition
|
|
Term
How can thermodynamically unfavorable reactions, such as the synthesis of DNA and protein polymers, occur in cells |
|
Definition
Cells couple thermodynamically unfavorable reactions to the hydrolysis of ATP |
|
|
Term
Under what conditions is a carbon atom a chiral center |
|
Definition
if it has four different substituent groups |
|
|
Term
What is true about stereoisomers |
|
Definition
They have different configurations |
|
|
Term
what is not a macromolecule composed of many subunits |
|
Definition
|
|
Term
Paralogs and orthologs differ in that |
|
Definition
Paralogs exist in the same species and orthologs exist in different species |
|
|
Term
Supramolecular complexes of proteins, nucleic acids, and polysaccharides are not held together by |
|
Definition
|
|
Term
What is not part of the current theories describing the evolution of multicellular organisms from inorganic molecules |
|
Definition
Enzymes did not appear until after the first cells appeared |
|
|
Term
[image] The amino acid alanine shown, contains all of the following functional groups except |
|
Definition
|
|
Term
Which of the following is true about the two molecules shown
[image] |
|
Definition
They are diastereomers of each other |
|
|
Term
What is true about the two molecules shown
[image] |
|
Definition
They are geometric isomers |
|
|