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Marrrta [24]
4 years ago
8

What part of a spiral galaxy is also known as the central bulge? A. the halo B. the disk C. the nucleus D. an open cluster

Biology
1 answer:
djverab [1.8K]4 years ago
8 0
The answer is C Nucleus PLZ vote brainliest.

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3 years ago
If a bacteria cannot ferment glucose, why not test its ability to ferment other carbohydrates?
nalin [4]

If a bacteria cannot ferment glucose, then we do not test its ability to ferment other carbohydrates because the glucose is monosaccharides, the bacteria required enzymes that used to ferment glucose.

Bacteria cannot ferment carbohydrates because carbohydrates may include non-reducing sugar like sucrose and lactose, which is disaccharide, that must be cleaved into monosaccharides. Not all, bacteria can do this to may or may not ferment sucrose.

Many microorganism can grow in the base broth without the carbohydrates, but if they can ferment a sugar that is available. It is possible that one bacteria metabolize some sugar but can't work on other.

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1 year ago
Which is the number 1 reason for loss of biodiversity.
Vinil7 [7]

Answer:

B. Habitat destruction

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2 years ago
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Mariana [72]

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8 0
4 years ago
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Of the three primary germ layers, which is responsible for developing into nervous tissue?
nadezda [96]

Answer:

D. All three primary germ layers develop into some more type of nervous tissue

Explanation: All of the primary germ layers have specific nervous tissue development. a) Ectoderm - neuroectoderm (neural tube, neural crest). b)   Endoderm develops into (among others):   The digestive tract and its attached glands; the inner lining of some organs, such as the lungs, nervous tissue; epidermis  . c) Mesoderm - notochord signals the ectoderm to develop the neural crest more

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