Answer:
The statement that is correct is that all cells have the same genes, but different genes are active in different cells.
Explanation:
Differentiation or specialization is a function that cells possess and is what allows them to have different types of cells and tissues.
Cell differentiation depends on genetic regulation, a mechanism that determines the specific genes that are expressed in a cell or tissue type.
All cells contain the same DNA, which is organized into chromosomes and contain the genes that determine specific characteristics. <u>There is cell differentiation because some genes can be expressed and others are suppressed, all due to genetic regulation</u>.
The other choices are wrong because:
- <em>The eyes look different from the liver, because they have the same genes, but only some are expressed.
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- <em>Differentiated cells and tissues do not lose their genes.
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- <em>All cells have DNA.</em>
Answer:Mice can be male without Y chromosome ... Ward’s work is “a lovely example of how you can lose even a really important gene,” she says. ... don’t have Eif2s3y genes on their Y chromosomes.
Explanation:
Energy is usually liberated from the ATP molecule to do work in the cell by a reaction that removes one of the phosphate-oxygen groups, leaving adenosine diphosphate (ADT). When the ATP converts to ADP, the ATP is said to be spent.
Answer:
substrates
Explanation:
they tend to be the original reactant, and the newly formed material is the product
Answer:
1. Isolation of donor DNA fragment or gene.
2. Selection of suitable vector.
3. Incorporation of donor DNA fragment into the vector.
4. Transformation of recombinant vector into a suitable host cell.
5. Isolation of recombinant host cell.
