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Why don't bacterial chromosomes get cut out with the restriction enzymes present in the cell?
Wiki User
∙ 13y ago
Methyl groups are attached to all bacterial genetic material to protect it from its own restriction enzymes.
Wiki User
∙ 13y ago
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Preservatives such as citric acid are added to foods to interfere with bacterial growth This creates an acidic pH in the food Why does this affect the bacteria that are present?
An acidic environment causes bacterial enzymes to fail or work less efficiently.
What is karyotype?
A method of illustrating what chromosomes are present.
How many chromosomes are present when meiosis is started?
In humans, 46 chromosomes are present when meiosis begins. The four daughter cells that result from meiosis have 23 chromosomes.
How many gene is present in one chromosomes?
A given gene is present on exactly two chromosomes in a somatic cell.
Respiratory enzymes are present in?
The respiratory enzymes are mostly located on the mitochondrion.
Preservatives such as citric acid are added to foods to interfere with bacterial growth This creates an acidic pH in the food Why does this affect the bacteria that are present?
An acidic environment causes bacterial enzymes to fail or work less efficiently.
How many sets of human chromosomes are present in a spermatid?
23 chromosomes are present in spermatids
Which sex chromosomes are present in females?
XX chromosomes.
Where are the chromosomes in the zygote?
chromosomes are present in the nucleus of zygote.
What is karyotype?
A method of illustrating what chromosomes are present.
How many chromosomes are present when meiosis starts?
In humans, 46 chromosomes are present when meiosis begins. The four daughter cells that result from meiosis have 23 chromosomes.
Where are chromosomes present in a cell?
Chromosomes are seen in the nucleus of the eukaryotic cells.
Where are enzymes contained in the human body?
Enzymes are present throughout the body.
How many gene is present in one chromosomes?
A given gene is present on exactly two chromosomes in a somatic cell.
How many chromosomes are present when meiosis is started?
In humans, 46 chromosomes are present when meiosis begins. The four daughter cells that result from meiosis have 23 chromosomes.
Are chromosomes presents when the cell is dividing?
yes chromosomes are present when cell divide
How many chromosomes were present in the nucleus when mitosis began?
46 chromosomes..
