Its known as the "master gland"
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Answer: IgE
Explanation:
Allergic reactions and hypersensitivity are the reactions which are produced in the body due to the invasion of a foreign antigen. In response to the invasive antibodies are produced in the body. The IgE is the special antibody that is produce in response to the invasive antigens. These antibodies instruct the cells to produce substances which produces the allergic response in the body.
Answer: Phenotype ratio is two heterozygous round pea : two homozygous wrinkled pea
Probability of getting a wrinkled pea is 1/2
The number of flowers that are homozygous is 2
The probability of getting a round pea is 1/2
Genotype ratio = 2 Rr : 2 rr
Explanation: From the information provided, round pea R is dominant while wrinkled pea r is recessive. A monohybrid cross between a heterozygous round pea Rr and a homozygous wrinkled pea rr will produce four offsprings, two of which are heterozygous round pea Rr and the other two are homozygous wrinkled pea rr.
The genotype ratio is 2 Rr : 2 rr while the phenotype ratio is two heterozygous round pea : two homozygous wrinkled pea. Heterozygous round (Rr) peas will manifest outwardly as round pea because R is dominant while r is recessive.
Since two out of the four offsprings are homozygous wrinkled pea, therefore the probability of getting a wrinkled pea is 2/4 = 1/2. Also, two out of the four offsprings are heterozygous round pea, therefore the probability of getting a round pea is 2/4 =1/2.
Since, only the two wrinkled peas are homozygous, therefore the number of flowers that are homozygous is 2
Answer:
Decrease
Explanation:
Gene expression, which involves the production of useful gene products, occurs in two stages: transcription and translation. Transcription synthesizes a mRNA transcript by copying the information in the nucleotide sequence of a DNA. This mRNA sequence is then read during translation to synthesize amino acids (proteins) in a process called translation.
Translation is initiated when a transfer RNA (tRNA) binds to the binding sequence of the mRNA in the ribosome. However, gene expression (translation) in bacteria are regulated by short non-coding nucleotide sequences called small RNA or sRNA. sRNA's are regulators that inhibits translation by binding to the initiation site on the mRNA molecule, thus preventing the binding of the tRNA for translation to proceed.
If a sRNA binds to the binding site of a mRNA coding for an enzyme, it means the rate at which the enzyme (protein) will be produced will be low or not at all. Hence, there will be a decrease in the synthesis of that particular enzyme.
Answer:
Small pores called gastric pits
Explanation:
Small pores called gastric pits protect the lining of the stomach from acidic gastric juices.
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