I assume that this is your question with the options:
Proteins scan chromosomes for damage during:
A) the G1 checkpoint
B) Beginning of the synthesis phase
C) Apoptosis phase
D) G2 checkpoint
E) Metaphase checkpoint.
Answer:
The answer is option A): G1 checkpoint.
Explanation:
During the internal checkpoints for regulation of a cell cycle, proteins usually scan chromosomes for damage to DNA and evaluate other external factors at the G1 checkpoint in order to ascertain whether conditions are inadequate. If conditions are inadequate and damages exist, cells will not be allowed to continue to the next phase.
Answer:
Actually the economy today of the USA is very good compared 50 years ago.
Explanation:
"She's a specialist in Genetics" - Hope that helped!
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Examples:
The flowers color is compared.
Radish seedlings are measured in height
The major cells of the ground tissue are parenchyma cells, which function in photosynthesis and nutrient storage. They have thin walls, many chloroplasts, and large central vacuoles, and they form the mass of most leaves, stems, and roots. Another cell of the ground substance is the sclerenchyma cell.
Hope that helped! sorry if its wrong