Which of the following processes reduces cells originally classified as diploid to haploid?
A. Meiosis.
B. Mitosis.
C. Both meiosis and mitosis.
D. Neither meiosis and mitosis
Which of the following is an example of a cell created by meiosis?
A. Kidney cell.
B. Sperm cell.
C. Brain cell.
D. Skin cell.
The Krebs cycle is a process described as:
A. the creation of ATP and Pyruvate.
B. the creation of GTP and NADH.
C. the process by which plants take in carbon dioxide and produce oxygen.
D. a linear method of creating energy.
The plasma membranes of cells are composed of:
A. a single layer of phospholipid molecules.
B. a bilayer of phospholipid molecules.
C. proteins that act as transport highways.
D. mitochondria.
Which of the following activities does NOT lead to cellular energy production?
A. Glycolysis.
B. Gluconeogenesis.
C. Oxidative Phosphorylation.
D. Cellular Respiration
Using garden peas, which of the following scientists discovered the basic principles of genetics?
A. Galileo.
B. Mendel.
C. Curie.
D. Hawking
The alternative versions of a single gene are known as:
A. traits.
B. characteristics.
C. RNA.
D. alleles.
What device makes it possible to predict the genotype and phenotype of the offspring of sexual reproduction?
A. Punnett square.
B. Chi square.
C. PCR.
D. Microscope.
The traits which an organism shows (as opposed to what its genes code for), is known by which of the following terms?
A. Phenotype.
B. Genotype.
C. Stereotype.
D. Classification
An organism that has a genotype of two dominant alleles for one gene is:
A. Heterozygous.
B. Homozygous.
C. Multiparous.
D. Nulliparous.
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