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Doss [256]
3 years ago
14

Which of these BEST describes a scientific variable?

Biology
2 answers:
elena55 [62]3 years ago
7 0

Answer: C) a factor that may affect an experiment or investigation

Explanation:

This is the best answer. A and B can be eliminated. D describes a controlled variable which is more specific than a scientific variable, thus C is the best answer. It is the best description of  just a scientific variable.

vladimir1956 [14]3 years ago
4 0

Answer:

C

Explanation:

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What type of microscope has low magnification but allows you to observe very large specimen is because the larger working distan
lilavasa [31]

Answer:

Stereo microscopes, also called low-power microscopes, dissection microscopes, or inspection microscopes, are designed for viewing "large" objects that are visible to the naked eye at low magnifications (under 50x). A stereo microscope provides an upright and unreversed, 3-dimensional image of the specimen.

Explanation:

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3 years ago
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our blood is able to maintain a ph of about 7.5 because our body acts like a buffer solution. regulating ph is crucial so that o
IgorLugansk [536]

The given question is incomplete as the group of choices are missing, however, the group of choices are given as follows:

Select one

a. Protein consists partially of amine groups that are neutral as a result of protonation (of one H ion)

b.Protein contains deprotonated carboxylate groups, resulting in a negative charge

c. The carboxylate groups in protein act very much like carboxylic acid groups (-COOH), except that they are deprotonated

d. If the human body did not act like a buffer solution, each time you ingested an acid the carboxylate groups would protonate, causing the protein structure to disintegrate.

Answer:

The correct answer (incorrect statement) is : option C.

Explanation:

pH of blood should be remain 7.5 in order to make proteins of the body and blood intact and functional. Human protein have neutral amine group due to the protonation and negative carboxylate group due to the deprotonation.

carboxyl group behave like an acid and carboxylate group behave like a base due to the fact that Carboxylate group (-COO-) is conjugate base of Carboxyl group. Human body acts like buffer to prevent the protein from  disintegrate.

Thus, the correct answer is : option c.

5 0
3 years ago
What does the "C" in R.I.C.E. treatment stand for?
Furkat [3]

Answer:

Compression

Explanation: is correct

5 0
3 years ago
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THANK YOU SO MUCH!!!!
Juli2301 [7.4K]

Answer

Cutting stems can stimulate hormones to start lateral leaf growth.

Some tropisms are controlled by hormones.

Cells grow faster in areas where auxin is concentrated.

Hormones help buds form and grow in the winter.

Explanation:

Auxins exert various effects including elongation growth. The basic effect of auxin involves  regulation of stem growth. This occurs by stimulation of cell growth in the direction of  elongation.Auxin inhibits the growth  of axillary buds.

8 0
4 years ago
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The sun, moon, and planets of the solar system are shown with their orbits.
Contact [7]

Ptolemy's model had Earth at the center, and the moon's revolved around the planets instead of the planets revolving around the moon and sun. The planets' orbits' moved instead of the planets as well. Geocentric has Earth at the center and heliocentric has the Sun at the center
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3 years ago
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