“They can be thought of as "factories" in the cell”.
The correct answer is :
Some substances but not other can cross the (blank ) membrane of a cell. The blank is to be filled with either cell or plasma. Cell membrane or plasma membrane is the living boundary of a cell which is made of phospholipid. It is a semi-permeable or differentially permeable membrane. It only allows small and non-polar molecules to pass through it. It prevents polar ions or molecules to pass through it
Answer:
Mutation plays a vital part in evolution; it is the greatest source of genetic variation. In evolution, it creates a new DNA sequence for a particular gene, creating a new allele. Additionally, recombination can produce a DNA sequence (a new allele) for a specific gene through intragenic recombination.
Explanation:
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Answer:
the troposphere directs the light towards us.
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Answer:
The conifer phylum also contains the <u><em>Gnetophyta (Gymnosperms)</em></u>, an order that includes the genera Gnetum, Ephedra, and Welwitschia.
Explanation:
That group includes 70 species across the three genera mentioned above, the difference between the Gnetophytas and other Gymnosperms plants is the presence of vessels, similar to the ones in the flowering plants.
