Answer:
Because fertilization in diploid gametes would double the number of chromosomes in the zygote. If chromosome numbers are disturbed the organism develops abnormalities or even die.
Answer: (A) The conclusion is valid because the independent and dependent variables in experiment were controlled.
Explanation: There are some basics requirements in order for an experiment to be valid: hypothesis, monitoring, independent and dependent variables and constants.
The genetic code is redundant. The meaning of this statement is that (D) More than one codon can specify the addition of the same amino acid.
Genetic code is a set of three nucleotides (mRNAs) that code for an amino acid together. The concept of given by Francis Crick. These codes are standard in majority of the organisms on Earth, hence the code is universal. For example, UGG codes for tryptophan.
Amino acids are the molecules that are involved in the formation of proteins. They have an amino group as well as a carboxylic group attached to the same alpha-carbon. There are 22 amino acids in the body that are involved in protein synthesis.
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Answer: Autonomic: Acting or occurring involuntarily, without conscious control. Central nervous system: The part of the peripheral nervous system that transmits signals from the central nervous system to skeletal muscles, and from receptors of external stimuli, thereby mediating sight, hearing, and touch.
Explanation:
It's hard to understand like only a part of the page. Could you take a picture of the whole page. Thanks.
