Answer:
Internal and external regulators are two types of proteins that regulate the cell cycle. Internal regulators allow the cell cycle to proceed only after certain events occur. External regulators speed up or slow down the cell cycle.
Explanation:
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The correct answer is meiosis. This is because a zygote is a 2n diploid cell caused by human fertilization witch is meiosis. This shows that the correct answer is meiosis. There are two things needed witch are the two gametes. These two gametes are called the egg(female) and the sperm(male).
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Answer:
a high cardiac output and high peripheral resistance
Explanation:
Two factors affect the strength of the blood and consequently the blood pressure: cardiac output and peripheral resistance.
Blood pressure is determined by the product of cardiac output and peripheral vascular resistance. In normal individuals there is a spectrum of variation in cardiac output with concomitant peripheral resistance responses for a given blood pressure level. However, increased heart rate results in increased cardiac output, which increases blood pressure, leading to hypertension.
