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Rufina [12.5K]
3 years ago
13

How does a stimulant, such as an amphetamine affect attention?

Biology
1 answer:
ArbitrLikvidat [17]3 years ago
3 0
C they increase activity of a number of neurotransmitters
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Which statement correctly describes the sequence of bases found in a DNA molecule?
blondinia [14]

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It determines the characteristics that will be inherited

Explanation:

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4 years ago
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Mycoplasmas differ from other bacteria in that they Group of answer choices Lack a cell wall. Are acid-fast. Are motile. Are gra
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Mycoplasmas differ from other bacteria in that they Lack a cell wall.

Mycoplasmas are different from bacteria as it can cause a wide range of infections and diseases. Mycoplasmas are phenotypically distinguished from other bacteria by their small size and complete absence of a cell wall. Lack of cell wall can be used to separate the mycoplasms from bacteria. It is a genus of bacteria that, like other members of the class Mollicutes, lack a cell wall around their cell membranes. Peptidoglycan is absent. This property makes them naturally resistant to antibiotics that target cell wall synthesis. They can be parasitic or saprotrophic

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2 years ago
Predators are found in grasslands because.... *
IgorLugansk [536]

herbivores ate numerous

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3 years ago
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A hiker is climbing up a steep path. Halfway up, he finds the muscles in his
scoray [572]

Answer:

A. He has a large buildup of lactate in his muscles.

Explanation:

Ideally, our body cells, via the process of aerobic cellular respiration, need oxygen to break down glucose. However, during rigorous activities or exercises, oxygen can become unavailable for use. In this case, the body cells switch to use another way of cellular respiration, which is FERMENTATION.

This fermentation causes a build up of lactic acid/lactate (its byproduct) in the cells of the muscles being used, which physically causes a burning and aching sensation just as the case of this hiker. The climbing of the steep path is causing causing the fast usage of oxygen in his cells.

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3 years ago
You are a living organism. Which characteristics of life do you exhibit
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Movement. All living things move in some way. ...

Respiration. Respiration is a chemical reaction that happens within cells to release energy from food. ...

Sensitivity. The ability to detect changes in the surrounding environment. ...

Growth. ...

Reproduction. ...

Excretion. ...

Nutrition.

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