Your class takes a field trip to a freshwater stream, where you collect the organism shown microscopically here.
(a) What is the genus name of this organism?
(b) Identify and give the function of the structure within the chloroplast at the end of the leader (line).
(a) What is the genus name of this organism? Spirogyra
(b) Identify and give the function of the structure within the chloroplast at the end of the leader (line). Pyrenoid, functions in starch synthesis.
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Convergent evolution results in the development of:
A. analogies. B. homologies. C. similes. D. homilies.
To which superfamily of transposons is RAG1 related?
A. Merlin B. Banshee C. Maverick D. Transib E. Tc1/mariner
What happens next after insulin binds to a G-protein coupled receptor (GPCR)?
A. The G-protein loses GDP and gains GTP becoming activated. B. The G-protein loses GTP and gains GDP becoming inactivated. C. The G-protein loses GDP and gains GTP becoming inactivated. D. The insulin enters the cell through the GPCR and diffuses to the nucleus where it interacts with transcription factors. E. The G-protein loses GTP and gains GDP becoming activated.
Yeast genes contain ________ introns than those of most eukaryotic organisms
a. more b. fewer c. longer d. duplicated