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prisoha [69]
3 years ago
14

Why are thylakoids critical for life on Earth?

Biology
1 answer:
True [87]3 years ago
6 0
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Deshaun is determining which sources are most appropriate for his research project. Which step of research process is he on? A.
guapka [62]

Answer:

3: Evaluate Your Sources D

Explanation:

Deshaun  is determining which sources are most appropriate for his research project. Here he can evaluate a variety of sources such as newspaper articles, magazines, journals, or books, and websites. So, it is important for him to make sure that he includes only authentic any valid information in his research.

So, he needs to evaluate his sources using several criteria like:

  • Accuracy
  • Scope / Relevance
  • Current/ up to Date
  • Objectivity
  • Reliability
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Using these criteria he can evaluate his sources to choose the best and appropriate one for him.

Hope it help!

5 0
3 years ago
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How are mitosis and meiosis similar?
cupoosta [38]

Answer:

The answer is "B: They both involve duplicating chromosomes'

Explanation:

8 0
3 years ago
When does cell differentiation occur?
frutty [35]
Most animal cells differentiate at an early stage

8 0
3 years ago
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Match each lipid with its correct components or description.
Mumz [18]

Answer:

(1) glycerophospholipids ⟶ (C) lipids with phosphate-containing head groups

(2) cerebrosides ⟶ (D) fatty acid linked through an amide bond to the sphingosine C(2)-amine

(3) gangliosides ⟶ (B) anionic sphingolipids containing one or more sialic acid residues

(4) sphingolipids ⟶ (A) built on sphingosine

Explanation:

1) Choline (Fig. 1) is a glycerophospholipid. It is a glycerol-based lipid with a phosphate-containing head group.

(2) Galactosylceramide (Fig. 2) is a cerebroside. It contains a fatty acid linked through an amide bond to the sphingosine C(2)-amine

(3) Gangliosides are glycosphingolipids that contain sialic acid. GQ1b (Fig. 3) is one of the most abundant gangliosides in the human brain. The carboxyl group of the sialic acid is in the ionic form.

(4) Sphingomyelin (Fig. 4) is a sphingolipid. It is based on sphingosine, with a phosphocholine head and a fatty acid chain.  

7 0
3 years ago
English biologist, thomas henry huxley discovered, in samples of deep sea sediments, a primordial ooze from which all other life
Mice21 [21]

Close friend and supporter of Charles Darwin especially in his theory of evolution. 1868 examined samples of mud recovered from the deep-sea floor 11 years back to discover a surface layer of thick mucus-like material with small embedded particles on the samples. Bathybius haeckeliiafter famous naturalist Ernst Haeckel Subdivisions looked to move so he assumed they were a form of living protoplasm and he named the "organism".

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