Answer:To begin with, initial transcription components include DNA, RNA polymerase core enzyme, and the σ subunit. Translation components include mRNA, small and large ribosomal subunits, initiation factors, elongation factors and tRNA.
Explanation:
B) favors organisms well adapted to the environment.
Not positively sure about my answer because I haven't read about this since two years ago in biology.
when a prokaryote reproduces, it will duplicate its self and make another one just like it. like a carbon copy. they dont get to be diverse because they dont reproduce sexually, which would mix up genes making it more diverse.
Answer:
Option D, Number of limbs
Explanation:
Options for the question
a. Birth weight
b. Hair color
c. Number of offspring
d. Number of limbs
Solution
Variation within a species is caused due to genetic differences governed by varying allele frequencies and duet to environmental factors that somewhere effect the expression of the genetic potentials thereby causing phenotypic variation.
Number of limbs is a physical characteristics, very unlikely governed by genetic variation. While factors such as hair color (grey, black, white etc.), height (tall, short, medium) etc. are governed by genetic variation as a result of which they have several phenotypic variations.
Hence, option D is correct
Prions are misfolded versions of normal proteins that can cause diseases. So the correct option is D.
<h3>What leads to prion disease? </h3>
A misfolded confirmation of proteins is called Prions. These misfolded proteins can result in harmful functional proteins and cause several diseases.
A prion is the type of protein that usually cause the normal proteins in the brain to fold in an abnormal manner. This results in misfolding of proteins in the brain.
Prion diseases are known to affect both humans and animals. Sometimes, humans get prion diseases by consumption of by meat from infected animals.
Creutzfeldt-Jakob disease is the most common prion disease in humans. The occurrence of prion diseases is rare. In the US, about 300 cases are reported every year.
Therefore the correct option is D.
Read more about prion diseases, here
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