Answer:
RNA Polymerase is the enzyme responsible for the synthesis of RNA
Explanation:
Ribonucleic acid [RNA] is synthesized from DNA in a process known as transcription. this process is facilitated by RNA polymerase enzyme. The corresponding RNA produced is complementary to the parent DNA
While DNA is usually double-stranded, RNA is single-stranded and they are synthesized from each strand of DNA.
RNA polymerase is responsible for unwinding the double strands of DNA and copying the information into the newly formed RNA strand.
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Answer:
False
Explanation:
Candling is used to study the embryo. An intense source of light is placed behind the egg to visualize the internal developments and changes. Here, candle is used as a source of light.
Bacteria and viruses cannot be observed in the light of a candle. However a virus is much smaller as compared to a bacteria and it can be seen only in electron microscope.
Thus, the given statement is false
Answer:
H. Mantle
Explanation:
Convection currents are identified in Earth's mantle. Heated mantle material is shown rising from deep inside the mantle, while cooler mantle material sinks, creating a convection current. It is thought that this type of current is responsible for the movements of the plates of Earth's crust.
Answer:
<h2>
Allele frequencies for B and b.
</h2><h2>
"b"(q) allele frequency = 0.60
</h2><h2>
</h2><h2>
"B"(p) allele frequency = 0.40
</h2><h2>
</h2><h2>
Genotype frequencies;
</h2><h2>
BB = 0.16
</h2><h2>
Bb = 0.48
</h2><h2>
Bb = 0.36
</h2>
Explanation:
Given
Non-baldness (B) is dominant on baldness(b), so B is dominant over b.
Homozygous pattern baldness male (bb) = 360,
Heterozygous non- baldness (Bb)= 480,
Homozygous non-baldness (BB)= 160.
So, we can also denote then by genotypes only,
BB= 160;
Bb= 480;
bb= 360;
Total= 1000
Allele frequency q² (bb) = 360/1000=0.36
allele fequency for q( b)= √o.36=0.60.
Allele frequency for p²(BB) = 160/1000=0.16
allele frequency p(B)= √0.16 = 0.4
Expected genotype frequencies;
BB = 160/1000 = 0.16
Bb = 480/1000= 0.48
Bb = 360/1000= 0.36