<span>Answer: Cellular differentiation is responsible for one daughter cell becoming a sieve tube whereas the other becomes a companion cell. Cell differentiation occurs as different genes are switched on and off.
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Answer:
C
Explanation:
when counting the number of organisms that differentiate between e and I, this answer gives the smallest number of organisms
The appropriate response of the nurse manager is to reprimand the nurse providing the colostomy care to a client without PPE because of the risk of transmitting nosocomial infections and maintaining hospital hygiene. The use of personal protective equipment should always be imposed in doing potentially infectious work, especially in the hospital.
Any change or random error in a DNA sequence is called a mutation.
Answer: Option A.
Polar ice cap in Antarctica.
Explanation:
Scientist drill ice cores from inside the polar ice cap in Antarctica to study variability of climate and differentiate that variability From global climate change. Each layer of the ice tells about weather and what the Earth was like when the first snow fell.
For example, Le grande says that as snow deposits into a growing glacier, the temperature of the air imprints on water molecules.
Icy layers hold particles,aerosols, sea salts, trace elements that were in the atmosphere before and they abide for thousands of years and provide evidence of past events.
