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never [62]
3 years ago
11

What are the 2 main factors that influence growth and development ?

Biology
1 answer:
Gwar [14]3 years ago
6 0

Explanation:

NUTRITION AND AGE FACTOR!

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Dehydration synthesis is a process in which
kramer

Answer:

Water (H2O) is drawn out of two small molecules to combine them into one large molecule

8 0
3 years ago
What is a possible explanation for why bacteria lack ether-linked cell membranes
oee [108]

Answer:

Because they do not live in the extreme environments.

Explanation:

Cell membrane has a vital role in separating the external environment of cell from its external environment. Just like eukaryotic cell, cell membrane of bacteria is also composed of proteins and lipids (phospholipids).

If we compare the structure of ancient bacteria's and modern bacteria's cell membrane then we notice that in  archaebacteria or ancient bacteria the phospholipids of cell membrane are linked with ether (means they have glycerol backbones). whereas in modern bacteria they are linked through ester linkages.

So, the stronger glycerol backbones give the archaebacteria more stable cell membranes through which they are able to resist harsh environmental stresses like salt lakes, volcanic stress, boiling mud and hot springs. As modern bacteria do not always have to live under such stresses thats why they donot have ether-linked cell membrane.

Hope it helps!

3 0
3 years ago
Throughout human history, people have always consumed the milk of other animals
Phoenix [80]
What's the questions that's a statement


5 0
3 years ago
Read 2 more answers
What is one function of plant stems?​
iren [92.7K]
To conduct water and minerals to the leaves
3 0
3 years ago
Read 2 more answers
Creating hypotheses based on observations.A hypothesis is a general principle or explanation that is derived from observations.
Alex17521 [72]

Answer:

  1. False
  2. True
  3. True
  4. False
  5. False
  6. True

Explanation:

A hypothesis is a supposition draw from data to carry an investigation or an argumentation.

1. The onion cells I looked at have a nucleus. False, even though the statement is true, is not a hypothesis because is not a supposition, it is rather an observation.

2. All onion cells have a nucleus. True, it is s a <u>valid hypothesis</u> because after the observation of 10 cells you draw a conclusion or supposition and affirm that all onion cells have a nucleus.

3. All cells have a nucleus. True, it is a<u> valid hypothesis</u> it contains a supposition derived from data observation

4. Some cells have a nucleus. False, the hypothesis is not valid because all of the observed cells contained nucleus not only some of them.

5. Only onion cells have a nucleus. False, after the observation of the different type of cells you see that they all had nucleus.

6. If I look at 10 skin cells from my hand, each one will have a nucleus. True, after the observation of different cells you can infer that if you look at your skin cells, they will have a nucleus.

6 0
3 years ago
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