What is carried in the plasma of vertebrate animals? What percentage of whole blood is plasma?
What will be an ideal response?
Although plasma is mostly water, plasma carries dissolved gases, nutrients, ions, proteins, wastes, hormones, and transports the blood cells. Plasma contributes about 50% of the volume of blood.
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Some nitrifying prokaryotes carry out metabolic cooperation by a process known as
A) competition. B) niche partitioning. C) syntrophy. D) antagonism.
Plasmids CANNOT ____
a. self-replicate b. be transferred between bacteria. c. encode proteins. d. be produced by eukaryotes. e. carry genes separate from the bacterial chromosome.
In response to temperature changes, cell membranes change state to become more solid or more fluid by undergoing
A) lipid raft formation. B) membrane folding. C) a phase transition. D) transverse diffusion. E) differential scanning calorimetry.
Bats, birds and dragonflies can all fly. Which of the following groups of animals have some members capable of flights?
A. reptiles, amphibians, and arthropods B. reptiles and mammals only C. mammals and arthropods only D. amphibians and arthropods only E. reptiles, arthropods, and mammals