Consider a cell that has four pairs of chromosomes. What is the number of possible chromosome orientations in that cell?.

Along with injecting illegal substances, marty abuses prescription drugs. his conduct is best described as ____.

ivanzaharov [21]

<span>The answer is poly-abuse, due to his addiction to many different forms of drugs. This is a very dangerous form of drug addiction because of the mixing of the chemicals inside the body can give adverse effects when combined.</span>

3 0

3 years ago

A hypothetical bacterium swims among human intestinal contents until it finds a suitable location on the intestinal lining. It a

trasher [3.6K]

Answer:

1. symbiont

Explanation:

Symbionts are organisms interacting in a biological relationship that can be of the type mutualistic, commensalistic, or parasitic

In this case, there is a relationship of commensalism between two organisms: the human and the bacterium.

Commensalism is a relationship between two symbionts where one benefits and the other is not harmed or helped. Commensalism it is derived from the word commensal (old french), used for human social interaction. Sometimes the word commensal is used in biology, however, the term symbiont is used more frequently to refer biological relationships.

4 0

3 years ago

I am a circulating cell involved in ige type allergic reactions. i am a mediator of allergic reactions because i can release gra

777dan777 [17]

Answer:

I am a basophil.

Further information:

Basophil:

Basophils are a type of white blood cell. Basophils are the smallest common of the granulocytes, representing about 0.5 to 1% of circulating white blood cells. Yet, they are the major type of granulocyte.

Function of basophil:

They are accountable for inflammatory reactions during immune response, as well as in the development of acute and chronic allergic diseases, including anaphylaxis, asthma, atopic dermatitis and hay fever. They also yield compounds those co-ordinate immune responses, including histamine and serotonin that induce inflammation, heparin that stops blood clotting, although there are less than that found in mast cell granules.

Basophils may present in many specific types of inflammatory reactions, specially those that cause allergic symptoms. Basophils have anticoagulant heparin, which prevents blood from clotting too rapidly. They also have the vasodilator histamine, which promotes blood flow to tissues.

Structure of Basophil:

Basophils comprise large cytoplasmic granules which vague the cell nucleus under the microscope when stained. However, when unspotted, the nucleus is visible and it usually has two lobes. The Mast cell which is another granulocyte has very like in appearance and function. Both cell types store histamine, a chemical that is secreted by the cells when inspired. However, they arise from different branches of hematopoiesis, and mast cells usually do not circulate in the blood stream, but instead are located in connective tissue. Similar to all circulating granulocytes, basophils can be carried out of the blood into a tissue when we need it.

Answer details:

Subject: Biology

Level: High level

Keywords:

• Basophil

• Function of Basophil

• Structure of Basophil

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3 years ago

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State the importance of agriculture

n200080 [17]

Answer:

Agriculture is the main source of national income for most developing countries. However, for the developed countries, agriculture contributes a smaller per cent age to their national income. Agricultural sector provides fodder for domestic animals. Cow provides people with milk which is a form of protective food.

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Which of the following is a characteristic of cnidarians?

Setler [38]

Answer:

The correct answer is option C) "gastrovascular cavity".

Explanation:

Cnidarians are a large group of organisms, most of them found in aquatic environments, known for having specialized cells called cnidocytes which they use to capture their preys. Other characteristic feature of cnidarians is that they have a gastrovascular cavity that serves as the primary organ used for digestion. The gastrovascular cavity is usually surrounded by tentacles that serves to trap their preys. Examples of cnidarians include corals, hydras and jellyfishes.

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3 years ago