In nerve cells the sodium-potassium pump is used to generate gradients of both sodium and potassium ions to propagate electrical signals that travel along nerves. This is a(n) A) example of phagocytosis. B) active transport mechanism. C) passive transport mechanism. D) example of movement with the concentration gradient.

Answers

Answer 1

Answer: its b active transport

Answer 2

Answer:

active transport .................................... B

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Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and by depicting them in a cladogram. Which of the following best describes a challenge in classifying organisms this way ?A) millions of species on earth & cladogram not practical B) impossible to tell which organisms are closely related on cladogram C) cladograms are detailed oriented and impossible to show evolutionary relationships D) there is limited number of ways to classify information some many of cladograms end up looking similar
When does the cell have to use active transport ?
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In this organelle, carbon dioxide and water are converted to _________ and oxygen.a. chitin
b. glucose
c. lipids
d. mannos

Answers

the answer would be glucose

Answer:

B Glucose

Explanation:

Which would have the GREATEST effect on the rate of photosynthesis in a plant? A) oxygen level B) light intensity C) sugar concentration D) starch concentration

Answers

The correct answer is option B, Light intensity

Reason -

Light intensity plays a major role in the regulation of photosynthesis. In the absence of light a plant is unable to photosynthesize. As the plant receives light through the chlorophyll , essential chemical reactions takes place thereby releasing free electrons which keep on driving the further processes or reactions in a plant to produce food and oxygen and energy..

The higher the light intensity, the higher is the rate of photo synthesis

Oxygen levels make no impact, they need CO2.
Sugar concentration makes no impact as that is a product.
Starch makes no impact.
Only light from the choices above is the factor in photosynthesis that could have the greatest effect as it is not a product yet a reactant

Which is an advantage of flowering plants?A. Flowers attract insects that transport gametes
B. Flowers give greater access to sunlight
C. Flowers help transport water and nutrients
D. Flowers assist plants that live in the water

Answers

The advantage of flowering plants is Flowers attract insects that transport gametes.

What is the advantage of the flowering plant?

Because they are often showy and endowed with nectaries, the flowers of angiosperms attract animals, such as small invertebrates, birds and bats. Such living beings, when coming into contact with several flowers of the same species, provide the meeting of pollen grains with female reproductive structures.

Flowers help to maintain air quality. They are natural humidifiers purifying the place and releasing oxygen. They also work as aromatizers by exhaling their fragrances.

See more about flowers at brainly.com/question/24261569

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I think it is A Flowers attract insects

Two ways that bacteria cause disease are

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Infection where the bacteria are actively growing in your body, and Intoxication, where a chemical that the bacteria produced is ingested and causes illness.

Why do some organisms reproduce asexually?

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the object to life is to reproduce. after that nature really doesnt care what happens to you. so if you can reproduce hundreds of thousands of times over a month. Without much effort either. would you.

After a puncture wound or broken skin or mucous membrane contact with blood or other potentially infectious fluids, the first step is to

Answers

clean the wound to prevent infection

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