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aleksandr82 [10.1K]
3 years ago
15

Which of the statements is part of the cell theory​

Biology
1 answer:
Novay_Z [31]3 years ago
7 0

Answer:

all living beings are made up of cells.

Cell is the most basic unit of life.

All cells must come from pre-existing cells

Explanation:

those are statements from the cell theory

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How can I determine the population density of a sunflower field in square meters without counting every sunflower? Please descri
Oksana_A [137]

Answer:

first step - take one-fourth of the field and cout the sunflowers in it

second step - find out the percentage and that will be you answer

4 0
3 years ago
Igneous rocks form from ____ when it cools.
Marat540 [252]

Answer:

pretty sure it's magna

Explanation:

tell me if I'm wrong I hope you get a good grade (

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8 0
3 years ago
Read 2 more answers
In order to enter cells and be useful to the body starch must be
mojhsa [17]
Broken down by the acids in your stomach
6 0
4 years ago
A sample of DNA is collected from an organism. It is analyzed and determined that 20% of the DNA is made up of the base adenine.
AnnyKZ [126]

Answer:

The correct answer is -

Thymine: 20%

Guanine: 30%

Cytosine: 30%

Explanation:

According to Chargaff's rule which states that the purine residues are equal to the pyrimidines residue in DNA sample which means A+G = T+C where A is adenine, G is guanine, C is cytosine and T is thymine. It is also known that A is always equal to T and C is equal to G.

So, A+G+T+C = 100

20+20+G+C

100-40 = G+C

60= G+C

as we know G is equal to C similarly A is equal to T

Thus, G = C= 30%

    A= T= 20%

7 0
3 years ago
What is the similarity between trenches and subduction zones?
guapka [62]
I'll give you an example.

If two tectonic plates clide, more or less in a head-on collision, they form a convergent plate boundary.
Usually, one of the converging plates will move beneath the other, which is known as
subduction.
Deep trenches are often formed where tectonic plates are being subducted, and earthquakes are common.
6 0
3 years ago
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