The physical characteristics are the attributes that are visible on the outside. They are included in the phenotype of the organism. Thus, option d is correct.
A phenotype is an observable characteristic that can be in the form of morphology, structure, appearance, and behavior. The phenotypical traits are defined and caused by the expression of the genotypical traits that are controlled by the inherited genes.
The phenotype includes hair color, eye color, height, weight, blood cells, earlobes, freckles, etc. It differs from a genotype as it is not a genetic code but an expressed or visible characteristic. It is controlled by the expression of genes and environmental factors.
Therefore, option d. the phenotype is the physical characteristics of an organism.
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Answer:
Phenotype i got it right on edge
Answer:
Polymers are made from a chain of one similar subunit bound together in sequence. Proteins are made from polypepetide chains which are sequences of amino acid subunits. Another example of polymer is DNA and RNA made of nucleic acid subunits.
However, lipids do not have one similar subunit but rather variable ways in which the lipid chains can form. For example phospholipid unit is made of a phosphate molecule bound to a fatty acid chain and glycerol. A triglyceride is a subunit of glycerol bound to three fatty acids chains. Cholesterol is also considered a lipid but is made of carbon rings rather than chains. Lipids therefore cannot be referred to as a polymer.
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b. has a genome made of RNA.
c. has the simplest of all protein coats.
d. was discovered before any other virus.
How is the virus reproduced during the lysogenic cycle?
a. through reproduction of the host cell
b. by using viral enzymes to reproduce viral DNA
c. by using the cell's enzymes to reproduce viral DNA
d. by breaking the cell open and releasing new viruses
Ans. (b). has a genome made of RNA.
Retroviruses are viruses with RNA molecules as their genome. They insert a copy of their RNA genome into the host cell DNA and change the cell genome. These viruses are generally known as single-stranded positive-sense (+ strand) RNA viruses.
Examples: Human immunodeficiency virus and hepatitis B virus.
Thus, the correct answer is option (b).
Ans. (a). through reproduction of the host cell.
Lysogenic life cycle is a virus reproductive cycle that involves integration of viral nucleic acid into host's genome or formation of a replicon in host's cytoplasm.
The host cells (bacterial cells) remain alive and reproduce normally, so thus, viruses reproduce through the reproduction of host (bacterial cells).
Thus, the correct answer is option (a).
Answer: false
Explanation:
the volume must increase because it has to fit more air
B. nutrients
C. provided by food
D. inorganic
Answer:Global warming is the long-term heating of Earth's surface observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.
Explanation: