Midterm II MC

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Which event occurs in the fluid portion of the cytoplasm of a cell undergoing glucose metabolism?


During glycolysis, what is the net gain of ATP molecules produced from one glucose molecule?

an agent that closely mimics the structure of glucose but is not capable of being metabolized

Which kind of metabolic poison would interfere with glycolysis?

fructose bisphosphate

During glycolysis, two ATP molecules are "spent" in order to convert glucose to the highly reactive molecule:

increase the rate of glycolysis-based reactions

For bacteria to continue growing rapidly when they shift from an aerobic environment to an anaerobic environment, they must:

ATP, NADH, and pyruvate

The products of glycolysis are:


During which step of aerobic respiration is oxygen used?

are producing more C02

We breathe more heavily during exercise because our cells:


In order to be able to continue, each turn of the Krebs cycle must regenerate:


Which of the following is an example of an electron-carrier molecule?

matrix and inner membrane

Which parts of the mitochondria are directly involved in the synthesis of ATP during chemiosmosis?

is genetically identical to all others

Each of your body cells:


A bacteria cell splits into two new cells by a process called:

cell growth

What is the longest-lasting phase of the prokaryotic cell cycle?

asexual reproduction

In prokaryotes, the term "binary fission" specifically refers to:

X and Y chromosomes

The sex-determining chromosome of a human male is the:

a diploid cell

Which type of eukaryotic cell contains two types of each chromosome?

the G1 phase of interphase

During which phase of the eukaryotic cell cycle do growth and nutrient acquisition occur?


Which of the following is the correct sequence of stages in mitotic cell division?


When the two gametes that fuse to form a zygote contain different alleles of a given gene, the offspring is:

75% yellow:25% green

If we cross two pea plants, each heterozygous for yellow seed colour genes, the expected ratio of yellow:green among the offspring will be:


What type of allele produces it effects in only homozygous individuals?


Round pea shape is dominant over wrinkled pea shape. If a round pea has a wrinkled parent, the round pea is:

members of a pair of alleles move away from each other during gamete formation

Mendel's law of segregation states that:

all the offspring had purple flowers

When Mendel used true-breeding white flowers and true-breeding purple flowers as the parental generation, what were the results?


The genetic makeup of an individual is the:

an allele is dominant or recessive

A Mendelian test cross is used to determine whether:

true-breeding green-seeded plants

Yellow-seeded pea plants may be homozygous or heterozygous. To find out which, we can cross plants with:

recessive only

Crossing spherical-seeded pea plants with dented-seeded pea plants resulted in progeny that all had spherical seeds. This indicates that the dented seed trait is:


In garden peas, the allele for tall plants is dominant over the allele for short plants. Imagine that a true-breeding tall plant is crossed with a short plant. Then one of their offspring is test crossed. Out of 20 offspring resulting from the test cross, about how many should be tall?


In crossing a homozygous recessive with a heterozygote, what is the chance of getting a homozygous recessive phenotype in the F1 generation?


The sequence of subunits in the DNA "backbone" is:

A bonds with T, and G bonds with C

"Chargaff's rule" for base pairing in DNA is that:

hydrogen bonds

Complementary base pairs are held together by:


For the DNA sequence G-C-C-T-A-T in one polynucleotide chain must be:

deoxyribose linked to phosphate

In the comparison of a DNA molecule to a twisted ladder, the uprights of the ladder are:

A + G = T + C in amount

Which of the following is NOT true according to Chargaff's base pairing rule?

sequence of bases

It became apparent to Watson and Crick after completing their model that a DNA molecule could carry a vast amount of hereditary information in its:

hydrogen bonds

Regarding the structure of DNA, which is like a spiral staircase?

hydrogen bonds

Regarding the structure of DNA, which joins adenine and thymine and also guanine and cytosine?


Regarding the structure of DNA, which is covalently bonded to a nitrogen-containing base?

millions and billions

How many different kinds of base pairings are in DNA?


In sequence of bases in a section of DNA is TAGGCTAA, what is the corresponding sequence of bases in mRNA?


How many bases are in a codon?

read in sets of three bases called codons

The genetic code is:


The process of copying genetic information from DNA to RNA is called:


The nitrogenous base uracil pairs with:

three consecutive bases in tRNA

What is an anticodon?

made directly from DNA during transcription

Transfer RNA is:


What is the anticodon for AUC?

proteins and mRNA that function in translation

Ribosomes are a collection of:

where to start transcribing the DNA

The function of the promoter is to signal the RNA polymerase:

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