If it is for Apex the correct answer was 16
The DNA Code essentially provides the information for building proteins. This is achieved through a process where the DNA is transcribed into mRNA, which is then translated into a sequence of amino acids that form a protein.
The message of the DNA Code is information for building proteins. DNA, using the genetic code represented by base pairs, is transcribed into messenger RNA (mRNA). This mRNA is then translated into a sequence of amino acids that construct a protein.
Specifically, each three-nucleotide sequence, called a codon, on the mRNA corresponds to a specific amino acid or a stop signal. The process of translating these codons into a sequence of amino acids to form a protein is effectively the decoding of the 'blueprint' provided by the DNA. The structure and function of a cell are determined by the proteins synthesized from the genetic code it holds.
With this, it's clear that DNA serves as the informational foundation for constructing the proteins necessary for the cell to perform its essential functions. This includes all structures within the cell, cellular processes, and the execution of complex biochemical reactions, which are generally carried out with the assistance of proteins acting as enzymes.
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Earlobes can be either attached or detached. The allele for attached earlobes
is recessive (e), and the allele for detached earlobes is dominant (E). What
must be true if a boy is born with attached earlobes?
A. He has a heterozygous genotype.
O B. He has no E alleles.
C. He has no recessive alleles.
O D. He has one of each allele,
SUBMIT
If a boy is born with connected earlobes, he has no E alleles because the allele for detached earlobes is dominant (E), whereas the allele for attached earlobes is recessive (e). So, the correct option is B.
A dominant allele is one that will overpower a recessive allele's expression. Hence, only the trait linked to the dominant allele is manifested when a dominant allele and recessive allele coexist in the genotype of offspring. Consequently, for a recessive allele phenotype to manifest, both of the recessive allele must be present in the progeny.
A recessive allele causes connected earlobes (e) while the dominant earlobe detachment allele (E)
A child with the EE genotype would have disconnected earlobes.
As features of dominant alleles are manifested in heterozygous genotypes, offspring with the Ee genotype would also have disconnected earlobes. Only the child with the ee genotype would have connected earlobes. A homozygous recessive genotype is genotype ee.
Thus, the correct option is B.
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Answer:
B. He has no E alleles.
Explanation:
In order for the boy to have an attached earlobes phenotype, he must have no E alleles, because the E is dominant. So his genotype must be ee. If he has even just a single E allele (like Ee) he will have detached earlobes, because the dominant trait will mask the expression of the recessive trait.
Why not A or D: Heterozygous Ee (one of each allele) would result in detached earlobes.
Why not C: If he has no recessive alleles, EE, he would have detached earlobes.
Answer:
4.6 billion years
Explanation:
A conductor allows heat to flow easily, while an insulator resists heat flow. In general, metals are good conductors of heat and electricity.
A substance or material that permits the flow of electricity is known as an electrical conductor. When voltage is provided, electrical charge carriers, often electrons or ions, travel effortlessly from atom to atom in a conductor.
There are four different kinds of conductors: semiconductors, resistors, excellent conductors, and non-conductors.
Aluminum, gold, copper, brass, steel, and steel are all effective conductors of electricity. In the form of wires, we employ them in electrical circuits and systems. A great liquid conductor is a mercury. As a result, this material is used in numerous instruments. Thus, metals are good conductors.
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Answer:
Copper Lead and Glass
The correct answers are:
- Polar air mass;
- Continental air mass;
The polar air masses form predominantly over land, or rather ice. They form over the poles and their close proximity, with the ones forming on the south pole being formed directly over Antarctica as a land mass, while the ones on the north pole being formed over ice, or rather the frozen ocean. They are very cold and very dry air masses.
The continental air masses form above land, deeper into the mainlands of the continents, which is why that have this name. They can be either very cold and dry in winter, or very hot and dry in the summer.
Answer:
Continental air mass
Explanation:
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