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Elina [12.6K]
3 years ago
6

Disadvantages of normal floras​

Biology
1 answer:
inn [45]3 years ago
3 0
It has a lot of advantages as well as disadvantages; but they prevent or suppress the entry of pathogens; colonies produced by some organisms of normal flora have a harmful effect on the pathogens; endotoxins liberated by normal flora may help the defense mechanism of the body. (Make me the brainless please)
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Now write the mRNA strand for the given DNA strand​
Over [174]

Answer:

UACAGCGACUAUGACA

Explanation:

mRNA and DNA have the same nucleotides, except mRNA has U (Uracil). U bonds with A (Adenine).

Hope that helps.

4 0
3 years ago
After watching the squirrels at the local park for several days, Sergei asks his science teacher the following question: "Do mor
KiRa [710]
This is a scientific question because you could conduct an experiment to test the theory.
 
4 0
3 years ago
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Put active transport in a sentence
Travka [436]
Active transport is the movement of molecules against the concentration gradient from an area of high concentration to an area of low concentration, which requires energy in the form of ATP. Hope this helps! ^.^
4 0
3 years ago
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quizlet i]n the heart, valves are located in the heart, valves are located just between the ventricles and the arteries. just be
ser-zykov [4K]

In the heart, the valves are located between atria and ventricles and between ventricles and arteries (option D).

<h3>What are valves in the heart?</h3>

Valves are membranous partitions which permit the passage of the contents of a vessel or cavity in one direction, but stop or control the flow in the opposite direction.

Valves in the heart enforce a one-way blood flow through the heart and separate atria from ventricles, and ventricles from the large arteries that leave them.

The four valves in the heart and their location is as follows:

  1. tricuspid valve: located between the right atrium and the right ventricle
  2. pulmonary valve: located between the right ventricle and the pulmonary artery
  3. mitral valve: located between the left atrium and the left ventricle
  4. aortic valve: located between the left ventricle and the aorta.

The valves between the atria and ventricles are called atrioventricular valves or cuspid valves while those at the bases of the large vessels leaving the ventricles are called semilunar valves.

Therefore, it can be said that the valves of the heart are located between atria and ventricles and between ventricles and arteries.

Learn more about valves of the heart at: brainly.com/question/28266922

#SPJ1

5 0
2 years ago
Which of Virginia's watershed protection programs builds structures that protect areas from flooding?
Blababa [14]

Answer:

The Dam Rehabilitation Program

Explanation:

The Small Watershed Rehabilitation Amendments of 2000, which was well termed as the Dam Rehabilitation Program is mainly an amendment to PL-566 giving power and privilege to the Secretary of Agriculture to give aid to possessor of public dams created formerly under PL-566, PL-534, the RC&D Program and the Pilot Watershed Program.

This program was established in respect to the high levels of aging dams (greater than 11,000) esrablished across the nation from 1948 with a increasing amount that requires rehabilitation to keep up with the several importance they provide.

Dam Rehabilitation:

In Virginia, 150 dams is considered as belonging to the state’s landscape/infrastructure via the PL-566, PL-534, and Pilot Watershed programs. One care infer that, one-third of these dams requires maintenance, if not repaired, could lead to high dangers of environmental, economic, and social effects. The dams were constructed to preserve agricultural lands and small towns and regions from the endangering impacts of flooding. It also acts as a source of water supply and recreational opportunities, protecting fish and wildlife habitat, and preserving of water quality.

Some of the dams in the Dam Rehabilitation program in Virginia includesMarrowbone Creek in Henry County; Inch Branch, Robinson Hollow, Toms Branch, Mills Creek, Todd Lake, and Hearthstone Lake in Augusta County; and Royal Lake, Lake Barton, Woodglen Lake, and Huntsman Lake in Fairfax County.

4 0
3 years ago
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