Select the following phylum that includes coelomate, bilaterian animals that have a structure called a notochord.

A. Annelida
B. Arthropoda
C. Mollusca
D. Echinodermata
E. Chordata


Answer: E

Biology & Microbiology

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The phenotype expressed by a single genotype can be affected by environmental conditions

Indicate whether the statement is true or false

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Each of the following is used in the process of DNA sequencing EXCEPT which one?

A) modified nucleotides B) nucleotides C) gel electrophoresis D) RNA polymerase E) DNA polymerase

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Which of the following alleles is most likely to decrease in frequency in a population?

a. an allele that resulted in osteoporosis b. an allele causing infertility c. an allele that resulted in reduced intelligence d. an allele that results in Alzheimer's disease

Biology & Microbiology

What would be the ATP yield for a molecule that is catabolized to form one molecule of pyruvate in a eukaryotic cell?

A. 10 ATP B. 11.5 ATP C. 12.5 ATP D. 25 ATP E. 30 ATP

Biology & Microbiology