Which of the following best describes the chemical equation for photosynthesis?
A. Carbon dioxide + Sugar + Energy = Oxygen + Water
B. Water + Carbon dioxide + Energy = Sugar + Oxygen
C. Oxygen + Sugar = Water + Carbon dioxide + Energy
D. Oxygen + Water + Carbon dioxide = Sugar + Energy
Answer: B
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Which of the following is a region of DNA at the end of a linear chromosome?
A. Telomere B. Intron C. Exon D. Primer
The organization phases of development are regulated by
A. transcription factors. B. morphogens. C. segmentation genes. D. morphogens and transcription factors only. E. morphogens, transcription factors, and segmentation genes.
During the elongation stage of transcription ____
a. DNA nucleotides are added to the transcript b. the transcript grows in the 5'®3' direction c. transcription factors recruit RNA polymerase to the template strand
d. the double helix remains single-stranded after being used as a template e. RNA polymerase binds to the promoter region
________ muscle is the type of muscle primarily responsible for stomach contractions.
A. cardiac B. smooth C. skeletal