Explanation:
a) p+e+n=18
mà p=e=z => 2p +n=18
câu a có thiếu dữ kiện không?
An example of a population in which evolution could take place in a relatively short period of time could be pathogenic bacteria exposed to antibiotics.
Answer: Option A
<u>Explanation:</u>
Evolution if takes place within a short period of time say the next generation that is called as micro evolution. This is caused when a specific organism exposed in a different environment at once modifies its genes to suit the new environment. This phenomenon can be very well seen in the pathogenic bacteria which are exposed to antibiotics.
When an antibiotic is prescribed to bacteria initially it nullifies its effect by destroying it. When continuously exposed to a certain antibiotic some bacteria dies but there are few which becomes resistant to it and survives. This on the other hand multiplies producing a generation that can’t be touched by the antibiotic.
False because it is not artificial selection it is DNA
Answer:
Explanation:
MEIOSIS:
- Each replicated chromosome pairs with its corresponding homologous chromosome
- Tetrads form and crossing over sometimes occur
- Paired homologous chromosome line up across the center of the cell.
- Four haploid daughter cells form that are not identical to the parent cell
MITOSIS:
- Homologous chromosomes do not pair
- One row of chromosomes line up at the center of the cell.
- The cell nucleus divides only once
- Two diploid daughter cells form that are identical to the parent cell.
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According to the research, angiotensin II (A) stimulates constriction of the glomerular inlet in response to a drop in overall blood pressure.
<h3>What is angiotensin II?</h3>
It is a potent vasoconstrictor derived from the effect of angiotensin converting enzyme on angiotensin I.
It acts directly on the arterioles and by stimulating the secretion of aldosterone; for example, it increases extracellular volume and peripheral vascular resistance.
Therefore, we can conclude that according to the research, angiotensin II (A) stimulates constriction of the glomerular inlet in response to a drop in overall blood pressure.
Learn more about angiotensin II here: brainly.com/question/13397581
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