What happens if both sister chromatids move to the same pole
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Although many cells go through both anaphase A and B motions, occasionally one motion takes precedence over the other. Poleward migration in anaphase requires the separation of the paired sister chromatids. The components that link the chromatids at the centromere are degraded by proteolysis, which causes chromatid separation.
What both sister chromatids move to the same pole?
Synapsis is the name given to this action. Crossing over happens during synapsis. DNA is transferred between two nonsister chromatids of a homologous pair of chromosomes during crossing over.
When nondisjunction occurs, the homologous or sister chromatids are drawn to one pole of the cell because the separation does not take place.
Therefore, One daughter cell would have more chromosomes than usual, and one sister chromatid would not split equally during the anaphase of mitosis.
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Which of the following organisms Is most likely to obtain nutrition via photosynthesis?
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B. A single-stranded RNA molecule forms.
C. The DNA transfers its information to RNA through an amino acid.
D. The DNA molecule unzips along weak hydrogen bonds.
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DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. The option (D) is correct.
What is DNA replication?
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
Moreover, DNA must replicate (copy) itself so that each resulting cell after mitosis and cell division has the same DNA as the parent cell. All these cells, the parent cell and the two new daughter cells, are genetically identical.
Therefore, DNA replication is the process of creating two identical daughter strands of DNA. DNA replication occurs in the nucleus in eukaryotic cells and in the nucleoid region in prokaryotic cells. DNA replication occurs in S phase during the cell cycle prior to cell division.
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Answer:
D
Explanation:
The first step in DNA replication is to 'unzip' the double helix structure of the DNA molecule. This is carried out by an enzyme, called helicase which breaks the hydrogen bonds? holding the complementary bases of DNA together
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B. f(x) = 4(x)3
C. f(x) = 6(3)x
D. f(x) = 6(x)3
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Since exponential functions are of the form
For option A,
On substitution, we have;
Since the point satisfied the exponential function
Hence the correct answer is option A.
No need to test for option C again.
Answer:
a is right
Explanation:
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Answer:
a process of change in a population through genetic variation over time
Explanation:
B. nervous tissue
C. connective tissue
D. muscle tissue
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The tissue that covers body organs in an example of epithelial tissue.
- Epithelial tissue covers the surface of the body and lines the various body cavities and internal organs.
- There are different types of epithelial tissue:
- Simple squamous epithelium
- Stratified squamous epithelium
- Cuboidal epithelium
- Columnar epithelium
- Ciliated columnar epithelium
- Glandular epithelium
- Basically all epithelial tissues have a fibrous basement membrane.
- Their functions are protection, absorption, secretion, etc.
Answer:
A.Epithelial tissue
Hope you could get an idea from here.
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Answer:
It’s about drive, it’s about power, we stay hungry, we devour
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