Which sequence of events is true about phtyochrome?
A. Red light activates phytochrome, converting it to Pfr, activated Pfr moves to the nucleus, then Pr is a receptor for red light in the cytosol.
B. Pr is a receptor for red light in the cytosol, red light activates phytochrome, converting it to Pfr, then activated Pfr moves to the nucleus.
C. Pr is a receptor for red light in the cytosol, activated Pfr moves to the nucleus, then red light activates phytochrome, converting it to Pfr.
B. Pr is a receptor for red light in the cytosol, red light activates phytochrome, converting it to Pfr, then activated Pfr moves to the nucleus.
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a. vertebral column b. pelvic girdle c. pectoral girdle d. ribs and sternum e. femur and tibia
Interpret the meaning of an H2 (broad-sense heritability) value that approaches 0.0
What will be an ideal response?
Neurotransmitters affect postsynaptic cells by _____. I) initiating signal transduction pathways in the cells II) causing molecular changes in the cells III) affecting ion-channel proteins IV) altering the permeability of the cells
A) I and III
B) II and IV
C) III and IV
D) I, II, III, and IV
All of the following are or can be produced by microbes except
A) consumer products like biodegradable plastics. B) food like chocolate. C) electronics like computer memory. D) biofuels like diesel. E) drugs like penicillin.