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Hoochie [10]
3 years ago
8

Normal homeostatic conditions require potassium concentrations to be about 1000 times higher inside the cell than in the blood.

Biology
2 answers:
Kobotan [32]3 years ago
8 0

Active transport by proteins.

sleet_krkn [62]3 years ago
7 0

Answer:

The correct answer would be active transport by proteins.

When a molecule is transported against the concentration gradient it requires cellular energy and the process is termed as active transport.

The energy is either provided by the hydrolysis of the ATP (adenosine triphosphate) in primary active transport or by the electrochemical gradient in secondary active transport

Active transport takes place with the help of integral membrane proteins or transport proteins which form carriers or channels across the membrane.

Examples may include a sodium-potassium pump, uptake of glucose in small intestine et cetera.

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DNA, the genetic material of living organisms, is damaged by light in the
insens350 [35]

Answer:

The correct option is <em>B) ultraviolet region, especially below a wavelength of 320 nm.</em>

Explanation:

Ultraviolet light carries an enormous amount of energy in it. It is invisible to the human eye. When UV light with enormous energy and wavelength lesser than 320nm, hits the DNA, it causes changes in the structure of the DNA. Mostly, it affects the thymine nitrogenous base regions and forms pyrimidine dimers. The structure of the DNA changes on all the sites where dimers form and hence, they cannot be properly transcribed.

6 0
3 years ago
The​ half-life of caffeine in a​ person's bloodstream is about 6 hours. If a​ person's bloodstream contains 110 milligrams of​ c
julsineya [31]

Answer:

21.8 mg

Explanation:

X = 110[½^(t/6)]

X = 110[½^(14/6)]

X = 21.82676446

X = 21.8

8 0
3 years ago
THIS IS WORTH 30 POINTS!
Murljashka [212]

your anwer is c) The two types of wings share a common function (and therefore are both called ... the bird wing and insect wing did not arise from an original ancestral structure ... When the gill slits became supported by cartilaginous elements, the first set of

4 0
3 years ago
Blood has a lower concentration of hydrogen ions than cellular cytoplasm. What does that tell us about the pH?
Greeley [361]

Answer:Acids and bases In the human body, both blood and the cytosol (watery goo) inside of cells have pH values close to neutral. ... A base, in contrast, raises pH by providing hydroxide (OH −start superscript, minus, end superscript) or another ion or molecule that scoops up hydrogen ions and removes them from solution.

Explanation:

8 0
2 years ago
Make a prediction. which morphological character do you think will best reflect relationships among these plants- body morpholog
Bond [772]

Morphological character such as leaf, node density , bud number,etc. change in many plant species in response to factor such as light availability , soil compaction and organic matter removal.

Vegetative and reproductive characteristics are the two systems  are common to nearly all vascular plants and provide a unifying theme for the study of plants morphology. It is important for the role to identifying plants, classification is also done by knowing the morphology of the plants.

Morphology is to identify plants using morphological characteristics. Plants can be identifies by observing certain distinguishing morphological characteristics but some plants are closely relatable , by which it shown by the similarity of their flower structures.

To learn more about the Vegetative and reproductive here

brainly.com/question/1213600

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5 0
1 year ago
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