Answer:
The best answer is "C"
Dominant negative
Explanation:
Dominant negative represents a class of mutation in which a mutant receptor interferes with the function of the wild-type version of the receptor.
null/amorphic: It is a form of mutation that causes the complete loss of Gene function (protein) by disrupting translation and/or preventing transcription.
Neomorphic: Describes a mutation where altered gene product possesses a completely new molecular function and sometimes pattern of gene expression.
Hypmorphic: describes a mutation that causes a partial loss of gene function usually through reduced (protein, RNA) expression or reduced functional performance.
hypermorphic: describes a mutation that causes an increase in the normal gene function resulting from increased mRNA or protein expression.
Answer:
Hydrogen bonds
Explanation:
DNA is a double helical structure that means two nucleotide chains are bonded together. The bonds through which two nucleotide chains are held together are known as hydrogen bonds. DNA is made up of four types of nucleotides named as adenine (A), thiamine (T), cytosine (C) and guanine (G). Out of these four, adenine is complimentary to thiamine and if adenine is present in one nucleotide chain then it bonds with thiamine of other nucleotide chain with the help of two hydrogen bonds while cytosine is complimentary to guanine and bonds with guanine of other nucleotide chain with the help of three hydrogen bonds.
You mean, the 'noble gases'?
In that case, they are located in the last column (group) of the periodic table, starting with Helium (He) at the top and all the way down to Radon (Ra). The column is referred to as Group 8.
Answer:
sunlight
Explanation:
Marine phytoplanktons are not found at great depths in the ocean <u>because of the lack of sunlight </u>at these depths.
<em>Phytoplanktons need sunlight to survive. They utilize light for food production through photosynthesis. Without light, this process would become limited and the phytoplanktons will die of starvation. </em>
At great ocean depths, sunlight penetration becomes limited and thus, phytoplanktons also stay away from these depths.
Answer:
A trilobite could be an example of an index fossil, because they only existed for a certain period of time
Explanation: