Fungi ________.
A. produce chlorophyll under aerobic conditions and are prokaryotes or eukaryotes, depending on the species
B. produce chlorophyll under aerobic conditions
C. are prokaryotes or eukaryotes, depending on the species
D. are eukaryotic organisms
Answer: D
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The principal species of Staphylococcus found on the skin is
A. aureus. B. acnes. C. pyogenes. D. epidermidis
With gamete mutation the mutation is passed on to future generations
a. true b. false
Which one of the following statements is TRUE regarding arterioles and arteries?
A) Arterioles and arteries transport blood from capillaries to veins. B) Blood pressure in arterioles is greater than the blood pressure in arteries. C) Arterioles are smaller and have less smooth muscle than arteries. D) Arteries do not contain valves, whereas arterioles do. E) Small sphincter muscles regulate the flow of blood from arteries into arterioles.
You're interested in the genetics of earlobe shape on your campus. Free (unattached) earlobes are caused by a dominant allele. The attached earlobe phenotype is caused by a recessive allele
Individuals with free earlobes have either a homozygous genotype or a heterozygous genotype. Assuming that your college campus is a stable population, what calculation would you use to determine the percentage of students who have a heterozygous genotype for earlobe shape? A) Calculate the percentage of people who have free earlobes. B) Calculate the percentage of people who are homozygous-dominant for free earlobes. C) Calculate the percentage of people who have attached earlobes. D) Calculate the percentage of people who carry the recessive allele.