BIO 210 Test 2
Describe the linked pathways of metabolism - answer many metabolic reactions occur
one after the other in a linked fashion, in which the products of one reaction are starting
materials for the next.
compare and contrast anabolism and catabolism - answer anabolism- larger molecules
are constructed from smaller ones, requiring input of energy.
Catabolism- larger molecules are broken down into smaller ones releasing energy
describe how enzymes control metabolic reactions - answer enzymes control the rate
that metabolic reactions occur
explain how metabolic pathways are regulated - answer by a regulatory enzyme that
catalyzes one of its steps
explain how ATP stores chemical energy and makes it available to a cell - answerthe
second and third phosphates of ATP are attached by high-energy bonds, and the
chemical energy stored in one of the bonds may be quickly transferred to another
molecule in a metabolic reaction.
explain how the reactions of cellular respiration release energy - answercellular
respiration releases energy through 3 distinct, interconnected reactions. Glycolysis, the
citric acid cycle, and the electron transport chain
describe the general metabolic pathways of carbohydrate metabolism - answer
describe how DNA molecules store genetic information - answerDNA stores information
in a sequence of adenine, cytosine, guanine and thymine on a backbone of two
deoxyribose molecules, which intertwine in a double helix.
Describe how DNA molecules are replicated - answerwhen the two complementary
DNA strands are separated. This is usually accomplished by special proteins that
unwind the molecule and expose the nucleotide bases
explain how protein synthesis relies on genetic information - answerDNA molecules are
in the nucleus and protein synthesis occurs in the cytoplasm. Because the cell must
keep a permanent copy of the genetic instructions, genetic information must get from
the nucleus into the cytoplasm for the cell to use it.
compare and contrast DNA and RNA - answerRNA-single stranded, nucleotides have
ribose rather than deoxyribose sugar. DNA+RNA have one of four nitrogenous bases,
Describe the linked pathways of metabolism - answer many metabolic reactions occur
one after the other in a linked fashion, in which the products of one reaction are starting
materials for the next.
compare and contrast anabolism and catabolism - answer anabolism- larger molecules
are constructed from smaller ones, requiring input of energy.
Catabolism- larger molecules are broken down into smaller ones releasing energy
describe how enzymes control metabolic reactions - answer enzymes control the rate
that metabolic reactions occur
explain how metabolic pathways are regulated - answer by a regulatory enzyme that
catalyzes one of its steps
explain how ATP stores chemical energy and makes it available to a cell - answerthe
second and third phosphates of ATP are attached by high-energy bonds, and the
chemical energy stored in one of the bonds may be quickly transferred to another
molecule in a metabolic reaction.
explain how the reactions of cellular respiration release energy - answercellular
respiration releases energy through 3 distinct, interconnected reactions. Glycolysis, the
citric acid cycle, and the electron transport chain
describe the general metabolic pathways of carbohydrate metabolism - answer
describe how DNA molecules store genetic information - answerDNA stores information
in a sequence of adenine, cytosine, guanine and thymine on a backbone of two
deoxyribose molecules, which intertwine in a double helix.
Describe how DNA molecules are replicated - answerwhen the two complementary
DNA strands are separated. This is usually accomplished by special proteins that
unwind the molecule and expose the nucleotide bases
explain how protein synthesis relies on genetic information - answerDNA molecules are
in the nucleus and protein synthesis occurs in the cytoplasm. Because the cell must
keep a permanent copy of the genetic instructions, genetic information must get from
the nucleus into the cytoplasm for the cell to use it.
compare and contrast DNA and RNA - answerRNA-single stranded, nucleotides have
ribose rather than deoxyribose sugar. DNA+RNA have one of four nitrogenous bases,
