Answer:
Explanation:
Repetition is a process by which multipliy sets of measurements or experiments are made in one scientific investigation and are multiple trials while replication on the other hand occurs when a scientific investigation is carried out by a different investigator and when the entire experiment is redone.
Correct answer: A). Reciprocal exchange of dna between homologs during prophase i
Homologous recombination is genetic recombination in which the nucleotide sequences are exchanged among the two similar molecules of the DNA. It is used by the cells of the body to repair accurately harmful breaks that occur on the strand of DNA.
Homologous recombination occurs when there is an exchange of genetic material between the two strands of DNA. It usually takes place during the meiosis (Prophase I).
Hence, the correct answer would be option A.
A star is born when atoms of light elements are squeezed under enough pressure for their nuclei to undergo fusion. All stars are the result of a balance of forces: the force of gravity compresses atoms in interstellar gas until the fusion reactions begin.
The nephron forms the basic functional unit of the kidney and comprises of various parts as shown in the picture.
Urine is formed by the process of ultrafiltration, and collected in the proximal tubule, from where it passes to the loop of Henle, the distal tubule and the collecting ducts, undergoing the processes of reabsorption and secretion to form the urine that is ultimately passed out. The concentration of urine so formed is governed by the water and elecrolyte balance of the body, and the required concentration is achieved by the processes mentioned above in the nephron
False. The root of the Eukarya is probably within the Archaea, but this was only discovered six months ago. The consensus hasnt yet shifted from thinking the tree of life has three distinct domains. In any case, bacteria are a separate domain to Archaea.
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