Examlex
Open-reading frames are segments of DNA in which both start and stop codons are found.
Tube Cell
refers to a part of the pollen grain in flowering plants, functioning as a pathway for sperm cells to reach the ovule.
Ovule
The structure in seed plants that develops into a seed after fertilization.
Egg Cell
The female reproductive cell or gamete in many multicellular organisms, involved in sexual reproduction.
Petals
The often brightly colored parts of a flower, typically surrounding the reproductive organs, and serving to attract pollinators.
Q4: Which physician is first associated with vaccination?<br>A)Ehrlich<br>B)Jenner<br>C)Lister<br>D)Koch<br>E)Escherich
Q5: Recombination will always alter a cell's genotype.
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Q64: Positive sense RNA strands of viruses are