The ________ [two words] is a well-known set of soft-bodied organisms living just before the Cambrian period, which probably includes at least simple animals and early bilaterians
Fill in the blank(s) with correct word
Ediacara biota
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Microscopic fossils are also called microfossils
A. These minerals are needed as cofactors for enzymes needed in photosynthesis. B. These minerals are needed as cofactors for enzymes needed in cellular respiration. C. These skeletons allow for more complex reactions to take place inside the cell. D. These skeletons probably afforded them protection from being eaten. E. These minerals are necessary to maintain genome integrity.
Cloned genes can be used to
1.study gene function. 2.produce a large amount of a particular gene for study. 3.produce proteins in quantity. 4.introduce known mutations to study gene function. 5.All of the options are correct.
As urine moves through a nephron, it is modified by ions, water, and other materials either being secreted into the fluid or by efflux of substances out of the urine
However, such modifications do not occur in which one of the following regions of the nephron? A) loop of Henle B) collecting duct C) Bowman's capsule D) proximal tubule E) distal tubule
Complement is found in the
A) red blood cells. B) white blood cells. C) platelets. D) plasma.