What causes outbreeding depression?
Outbreeding depression occurs when the intermediary traits make an organism less fit compared to either of parental forms. Further reading:... View Article
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Which is back cross in Monohybrid cross?
When the F1 generation is crossed with any of the parents, it is called the back cross. E.g. in a... View Article
Is every test cross is back cross?
Yes, every test cross is a back cross but not all back crosses are test cross. In the back cross,... View Article
What is test cross and its significance?
Test cross is the cross between the F1 progeny showing the dominant phenotype and the recessive homozygous parent. It is... View Article
How Is Prophase Marked?
Prophase is marked by the initiation of condensation of chromosomal material.
Which Is The First Stage Of Karyokinesis Of Mitosis?
Prophase is the first stage of karyokinesis of mitosis.
Is The Mitotic Division In Plants Seen In Haploid Cells Only?
Plants can exhibit mitotic divisions in both haploid and diploid cells.
Name A Type Of Cell In Adult Animals That Do Not Seem To Display Division.
Heart cells in adult animals do not appear to exhibit division.
Where Does The DNA Replication Begin In The S Phase In Animal Cells?
During the S phase, in animal cells, the DNA replication is initiated in the nucleus, while the centriole duplicates in... View Article
Which Factor Remains Constant Even After The S Phase Has Taken Place?
There is no increase in the chromosome number; even after the S phase the number of chromosomes remains the same... View Article
Which Phase Marks The Period During Which DNA Replication Of Synthesis Occurs?
S or synthesis phase marks the period during which DNA synthesis or replication occurs.
Does DNA Replicate In The G1 Phase Of The Cell Cycle?
During the G1 phase, the cell is active metabolically and grows continuously, however, it does not replicate its DNA.
What Does The M Phase Usually End With?
The M phase usually ends with the division of cytoplasm (cytokinesis).
What Is The First Process In The M Phase?
The M phase is initiated with the nuclear division, relative to the separation of daughter chromosomes (karyokinesis).
What Is The Cell Cycle Span Of A Yeast?
Yeast usually can progress through the cell cycle in only 90 minutes only.
When Is Catalytic Activity Lost?
It is lost when the cofactor is eliminated from the enzyme. This testifies that they have a vital role in... View Article
How Are Prosthetic Groups Distinguished From Other Cofactors?
Prosthetic groups are organic compounds. They are differentiated from other cofactors in that they are tightly bound to the apoenzyme.
What Are Lyases Involved In?
These enzymes catalyze the elimination of groups from the substrates by processes other than hydrolysis leaving double bonds.
Why Does The Inhibitor Compete With The Substrate In Enzymes?
The inhibitor competes with the substrate for the substrate-binding site of enzymes as a result of their close structural similarity... View Article
What Does The Binding Of The Substrate Induce The Enzyme To Do?
The binding of the substrate causes enzymes to modify their shapes, thus fitting more securely around the substrate.
