Answer:
a. are acid participants in, or by-products of, cellular metabolism
Explanation:
cellular metabolism is the process in which several chemical recation stakes place in body. there aretwo type of cellular metabolism - catabolism and anabolsim, which serves for several body functions.
During the chemical reaction of cellular metabolism, many acids are produced which are called metabolic acids. Several metabolic pathways produces different acids such as carboxylic acid, citric acid and amino acid. All the metabolic acid maintains body's functional activities,if any case acid formation increases it causes metabloic acidosis.
Hence, the correct option is a. "Metabolic acids are the acid participants of celular metablosim".
The resting membrane potential is the same value in both the sensory neuron and the interneuron because the resting membrane potential does not depend on the type of neuron.
Asymmetrical organisms tend to be LESS complex than symmetrical organisms.
Asymmetrical organisms are those organisms that have primitive body plan, example of these are sponges. The symmetrical animals are much more developed in their body plans and layouts.<span />
Answer: C) by eating meat, he could migrate wherever animals are found, and live in cold areas where plant-eaters (like Australopithecus) could not have found food during Ice Ages
Explanation:
Home erectus are the oldest humans species in the africa and they expand there range in the several continents like south east asia for the search of diet that includes meat and increasing the food supply in the environment seasonally and also live in cold area where plant eaters do not find enough food during ice ages. As, homo erectus are the posses the cultural and physical attributes.
Answer:
B. Intrinsic
Explanation:
Intrinsic controls are also known as local controls involve only one organ or only one tissue. Intrinsic controls allow the organ or the tissue to maintain homeostasis on their own. For example, the heart it controls its heartbeat. As a response to changing blood volume, the heart adapts to it by controlling its heartbeat.