Which of the following is TRUE about alleles?
A) Individuals carry both forms of each allele.
B) Alleles come in two forms, the good form and the bad form.
C) An individual will only carry one version of an allele.
D) An allele is a variant form of a gene.
E) The phenotype of the individual will always indicate with certainty the alleles of the individual.
Answer: D
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a. stomach b. liver c. small intestine d. pancreas e. spleen
Chloroplasts and mitochondria share something with the nucleus that the other organelles do not. What is this shared function or component?
A) They are the only organelles wrapped in a lipid-based membrane. B) They are the only organelles that are located in the cytosol. C) They are the only organelles that contain DNA. D) They are the only organel
When feces are not expelled regulary, additional water is absorbed from them. This may lead to a condition called_________
Fill in the blank(s) with the appropriate word(s).
Match each scientist or group of scientists on the left with the appropriate statement to the right.
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