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Physiology week 1-6

Physiology weeks 1-6

QuestionAnswer
Proteins are polymers of amino acids.
A very large molecule composed of subunits of sugar, a nitrogen base, and a phosphate bond is a carbohydrate.
The carbon-containing molecules formed by living things are often called organic molecules.
A saturated fatty acid is one in which all available bonds of its hydrocarbon chain are filled
A chemical that reduces the amount of activation energy needed to start a chemical reaction is a catalyst.
If oxygen is available, the pyruvate molecules formed by glycolysis are prepared to enter the next phase of aerobic cellular respiration, called the citric acid cycle.
Diffusion moves down a concentration gradient.
Of the five epidermal cell layers, the only one that can undergo mitosis is the stratum basale
Which type of connective tissue helps newborns maintain body temperature by producing heat Brown fat
Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood Astrocytes
In endochondral ossification, what happens to the chondrocytes? They die in the calcified matrix that surrounds them and form the medullary cavity.
Why are osteocytes spread out in bone tissue? Formation of osteoid spreads out the osteoblasts that formed the ossification centers
The energy required for muscular contraction is obtained by hydrolysis of ATP.
Muscle tone is maintained by negative feedback mechanisms
Which type of movement occurs between the carpal and tarsal bones and between the articular facets of adjoining spinal vertebrae? gliding
Anaerobic respiration results in the formation of an incompletely catabolized molecule called lactate .
Created by: Millerjacob
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