Answer:
- Acute Infection
- Clinical Latency
- AIDS
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B. increased nitrates available due to inaccurate methods of denitrification
C. increased global warming due to alternative energy sources
D. increased amount of water that is available to freshwater ecosystems
The correct answer is A.
An increase in levels of nitrogen and phosphorus can cause eutrophication, which often leads to algal and phytoplankton blooms in the ecosystems and the formation of dead zones or toxins in the water. The excess nitrogen and phosphorus enter the water from agriculture water runoff and sewage release .
b-The zygote of Plasmodium multiples in the gut of a mosquito to form sporozoites, whereas when sporozoites multiply in human liver cells, they form spores called merozoites.
c-The zygote of Plasmodium multiples in human liver cells forming the merozoites, whereas when merozoites multiply in the gut of a mosquito, they form spores called sporozoites.
Answer:
The answer is B: "The zygote of Plasmodium multiples in the gut of a mosquito to form sporozoites, whereas when sporozoites multiply in human liver cells, they form spores called merozoites."
Explanation:
In Plasmodium, for example, the sporozoites are cells that produce in the mosquito's salivary glands, leave the mosquito during a blood meal, and drive liver cells (hepatocytes), where they generate. Cells infected with sporozoites ultimately burst, delivering merozoites into the bloodstream. Merozoites are non-motile.A merozoite is a daughter cell of a protozoan parasite. Merozoites are the consequence of asexual propagation. Sporozoites are designed by sporogony, a type of sexual or asexual reproduction by multiple fission of a spore or zygote, representative of many sporozoans.
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Answer:
Answered below
Explanation:
Birds and mammals have a double circulatory system and a four-chambered heart which separates the oxygenated blood and the deoxygenated blood from each other in the heart. This system of circulation is necessary to serve the high energy needs of the mammals and birds.
In this system, deoxygenated blood from the body passes through the superior and inferior Vena Cava into the right atrium. From the right atrium it flows into the right ventricle. From the right ventricle, it is then pumped into the pulmonary artery to be carried to the lungs. In the lungs, the deoxygenated blood is oxygenated and returned to the heart through the pulmonary veins.
Oxygenated blood enters the left atrium from the lungs through the pulmonary veins. It then moves into the left ventricle. In the left ventricle, it is then pumped into the aorta. The aorta is a large vessel that runs the length of the vertebral column, branching off to be circulate blood in the body system.
c. Pollinator attraction
b. Breeding
d. Sexual selection
Answer:
pollinion atraction
Explanation:
provide structure
transmit genetic information
fight disease
Answer;
They transmit genetic information
Explanation;
-Nucleic acids are important because they make up genetic information in living things. There are two types of nucleic acid and they are DNA and RNA. DNA is the basic instructions for living things. It is passed down from parent to offspring and is found in the nucleus of the cell.
-DNA stores your genetic information in the nucleus of the cells. RNA has several sub-types of RNA, including messenger RNA, mRNA, transfer RNA, tRNA, and ribosomal RNA, rRNA.
-Other roles include; the use the genetic information to direct the synthesis of new protein, storage for place for genetic information in the cell. and also DNA controls the synthesis of RNA in the cell.
Answer:
The correct answer would be transmit genetic information.
Nucleic acids are defined as the polymers of nucleotide. There are two types of nucleic acids: DNA (deoxyribonucleic acid), and RNA (ribonucleic acid).
The main function of the nucleic acids is to transmit genetic material or information from parent cell to the daughter cells or from one generation to the next.
The most common form of genetic material is DNA. It is found in all the animals, plants and even in microorganisms, however, RNA also serves as genetic material in some viruses (retrovirus) such as human immunodeficiency virus (HIV).
Answer:
Biuret reagent is the correct answer.
Explanation:
Biuret reagent is used to test the presence of the protein in a solution.
The biuret solution contains
Biuret reagent is a solution that is blue in color and when it reacts with protein the color gets a change to pink-purple due presence of several peptide bonds and when there is no protein present in the solution the color remains blue.
The biuret reaction takes place when the copper II ions placed in the solution as a cupric sulfate gets reduce to copper I ions due to the presence of peptide bonds and the color change is observed from blue to violet.
The biuret reagent is used to test for proteins. A biuret test, also known as a peptide bond test, is a chemical test used to measure the number of peptide bonds present in an analyte.
Biuret reagent consists of NaOH (sodium hydroxide) and hydrochlorofluorocarbons (sulfate) and potassium sodium tartrate. The tartrate is added to the chelate to stabilize the cupric ions.
When pure, the reagent is a pale blue color. However, when the reagent is mixed with protein, the reaction results in a light purple color. The deep blue/purple color is caused by a copper ion complex with a protein amide group.
To learn more about the biuret reagent, refer to the link:
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