Nearly all animals spend their life as _____ organisms.
a. gamete
b. diploid-dominant
c. haploid-dominant
d. both haploid- and diploid-dominant
b. diploid-dominant
Nearly all animals spend their life as diploid-dominant organisms.
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Match the reactant in glycolysis on the left with the appropriate enzyme on the right.
A) phosphofructokinase B) phosphoglycerokinase C) fructase D) phosphoglyceromutase E) pyruvate kinase F) phosphoglycerase G) glucose kinase H) PEP kinase I) hexokinase J) aldolase K) fructose dehydrogenase 1) glucose 2) fructose-6-phosphate 3) fructose-1,6-bisphosphate 4) phosphoenolpyruvate 5) 1,3-bisphosphoglycerate 6) 3-phosphoglycerate
In an experiment, the control group is:
a. not subjected to experimental error. b. exposed to experimental treatments. c. maintained under strict laboratory conditions. d. treated exactly the same as the experimental group, except for one variable. e. statistically the most important part of the experiment.
Which of the following organisms belongs to the Subphylum Cephalochordata?
a) hagfish b) lamprey eel c) sea squirt d) lancelet e) catfish
In C4 and CAM plants carbon dioxide is fixed in the _____ of mesophyll cells.
a. stoma b. cytoplasm c. thylakoids d. stroma e. grana