Answer:
Natural selection can only fail if there is variation among members of the same species. ... Variation in a population effect from change and the rejoining of alleles during meiosis and fertilization.
Explanation:
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"50" percent of the offspring will be pink is the one among the following choices given in the question that will happen if <span>a red rose is crossed with a pink rose. The correct option among all the options that are given in the question is the third option or option "C". I hope the answer has helped you.</span>
A) The answer is allosteric interaction where activators or repressors bind to a protein, other than the protein active site, hence changing the protein conformation. This interaction occurs between the heme subunits of haemoglobin.
b) Through protonation. The amino group of the alpha subunits and the histidine C-terminal of beta subunits acquire H+ when the blood has low pH. Low pH in the blood is due to accumulation of carbon dioxide and consequent formation of carbonic acid. Protonation of the residues cause allosteric interaction, due to ionic interaction, of the subunits hence resulting to conformation change of haemoglobin between T-state and R-state
The answer is true. Mammals during pregnancy can have one or more gestations at the same time, the time pause of a gestation is called the gestation period. Gestation is the carrying of an embryo or fetus inside viviparous animals. It is typical for mammals, but also occurs for some non-mammals.
TEMPERATURE: Although enzymes are also affected by the pH and the concentration of the enzyme and substrate in their environment, this specific example shows that enzymes are affected by temperature.
