A change in body temperature will have which of the following effects on enzymes in the body? O A change in the ability of some enzymes to bind with their coenzymes
A change in the ability of some enzymes to bind with their substrate
A reduction in the concentration of some enzymes in the body
An increase in the concentration of some enzymes in the body

A reduction in the concentration of some enzymes in the body

Explanation:

As temperature is increased the enzymes and substrate gain kinetic energy (move more quickly). This increases the frequency of collisions and the formation of enzyme-substrate complexes. Therefore as the temperature is increased the enzyme activity and the rate of reaction increases.

Increases in temperature increase molecular activity, and can result in a higher rate of collisions between enzymes and substrates. If the temperature rises too high, however, the enzymes could become denatured, and the positive effects of the temperature increase could be nullified.

fertilization, pictured in figure 24.23a is the process in which gametes (an egg and sperm) fuse to form a zygote. the egg and sperm each contain one set of chromosomes. to ensure that the offspring has only one complete diploid set of chromosomes, only one sperm must fuse with one egg. in mammals, the egg is protected by a layer of extracellular matrix consisting mainly of glycoproteins called the zona pellucida. when a sperm binds to the zona pellucida, a series of biochemical events, called the acrosomal reactions, take place. in placental mammals, the acrosome contains digestive enzymes that initiate the degradation of the glycoprotein matrix protecting the egg and allowing the sperm plasma membrane to fuse with the egg plasma membrane, as illustrated in figure 24.23b. the fusion of these two membranes creates an opening through which the sperm nucleus is transferred into the ovum. the nuclear membranes of the egg and sperm break down and the two haploid genomes condense to form a diploid genome.

explanation:

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human impact on the environment can be seen in the deterioration of the !

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