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Biology
IB

What is a dominant allele?

An allele that has the same effect on the phenotype whether it is present in homozygous or heterozygous state. Dominant alleles mask the effect of recessive alleles. 

MR
Answered by Mani R. • Biology tutor
5914 Views

What are the four main processes that occur in spermatogenesis within the testes?

1.Mitosis: division of germline epithelium (into spermatogonia)
2. Cell growth
3. Meiosis (2 divisons): results in four haploid daughter cells
4. Cell differentiation: forming sperm cells

TD
2813 Views

How do you explain the process of translation?

Enzymes which are specific to different tRNA types catalyse the bonding of amino acids to tRNA molecules, which requires ATP for energy.

There are 4 stages to translation: initiat...

LW
Answered by Lucy W. • Biology tutor
8062 Views

What is a protein? How are proteins made?

Proteins, also known as polypeptides, are amino acid sequences. All proteins are made of amino acids.Proteins exhibit variance. This is due to the fact that there can be ...

FG
Answered by Francesco G. • Biology tutor
5102 Views

Define Enzyme and Active site

Enzymes are biological catalysts that are formed from globular proteins.

Active site is the molecule surface space where the substrate binds and catalysi...

XY
Answered by Xin Yan H. • Biology tutor
6287 Views

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