Answer:
2 & 4
Explanation:
The theory of spontaneous generation stipulated that life emanated spontaneously from ‘nothing’. This was believed to be true until Francesco Redi & Luis Pasteur later falsified this theory using an experiment. He had two plates of cooked meat. He covered one with a glass bowl and left the other open. The plate with a bowl did not develop maggots while the open one did. This showed that maggot was as a result of hatched eggs that were deposited by flies. Life, therefore, emanates from life.
Both pH and Heat effect catalase function therefore we will measure the function based upon changing these variables.
Both use ion channels to move ions across the cell membrane, in or out of the cell. Differences: Passive Transport (or Diffusion) moves ions from high concentration to low, using no metabolic energy. Active Transport moves ions from low concentration to high, using metabolic energy in the form of ATP.
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Answer:
A/( An individual is exposed to a killed pathogen, an inactivated pathogen, or a component of a pathogen.)
Answer: The correct answer is A) Fertilization.
Fertilization is a process or event of fusion of two gametes ( also called reproductive cells that are haploid) that forms zygote, which is diploid cell. It is the first event in the formation of new individual.
The two haploid gametes are sperm ( male gamete) and egg ( female gamete), which are formed through spermatogenesis and ovulation respectively.
Thus, fertilization is the process that joins two haploid cells to form a diploid zygote.