Biology Test 3 Review
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Carbon dioxide is considered a waste product of cellular respiration. True or False?
Glycolysis and the Krebs cycle reactions occur in the mitochondria. True or False?
Which of the following most closely matches the correct order of main events of cellular respiration?
glycolysis, Krebs cycle, electrons transport system, major ATP production
The metabolic breakdown of one molecule of glucose harvests the greatest amount of energy during what?
When molecules are broken apart in respiration,
the energy released in respiration is channeled into molecules of ATP
Which of the following liberates the most energy in the form of ATP?
If 2 molecules of glucose are initially present, aerobic respiration will produce how many ATP units overall?
During the Krebs cycle, which of the following choices is NOT one of the overall reactants?
a.ADP + Pi
Which type of energy-releasing pathway evolved first?
How many carbon atoms does a pyruvate molecule have?
When a cell undergoes mitosis,
the daughter cells have identical genes and the daughter cell has genes identical to those of the mother cell that produced it.
Which of the following is NOT associated with meiosis?
Eukaryotic DNA molecules...
have large amounts of protein dispersed among the DNA molecules.
A portion of a DNA molecules wound around a spool of histone protein is called a...
In eukaryotic cells, which can occur during the stages of mitosis?
fragmentation and disappearance of nuclear envelope and nucleolus
The chromatids detach from one another and become visibly separate chromosomes during
Division of the cytoplasm (cytokinesis)
usually accompanies nuclear division.
The distribution of cytoplasm to daughter cells is accomplished during
The cell plate is composed of
microtubule elements, cellulose, and carbohydrates.
Four of the five answers listed below are events occurring during mitosis. Select the exception.
a. chromosome replication
b. division of centromere
c. lining up of chromosomes at the cellular equator
d. attachment of spindle microtubules to centromeres
e. migration of chromosomes to opposite ends of the cell
Asexually produced daughter cells are...
identical to each other and to the parental cell.
Different, or alternative, forms of the same gene are called
The essence of meiosis is that
each gamete receives one member of each pair of homologous chromosomes and gametes are formed that are haploid.
- a. may exchange parts during meiosis.
- b. have alleles for the same characteristics even though the gene expression may not be the same.
- c. are in pairs, one chromosome of each pair from the father and one from the mother.
- d. pair up during meiosis.
- e. all of these
Chromosomes of a pair of homologous chromosomes may differ from other chromosomes in terms of...
- a. size.
- b. shape.
- c. alleles they carry.
- d. position of the centromere.
- e. all of these
attached at their centromeres and are identical until crossing over occurs.
Meiosis typically results in the production of
four haploid cells.
the formation of sex cells.
Which of the following cells is NOT haploid?
Four of the five answers listed below are related to pairing of chromosomes. Select the exception.
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