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Anika [276]
3 years ago
13

How to calculate your average grade in one class?

Biology
1 answer:
Vladimir [108]3 years ago
7 0

Answer: Divide each weight expressed

Explanation: If your first test is 20 percent of your grade, divide 20 by 100 to get 0.2. If your second test is worth 30 percent and your final test is worth 50 percent, divide 30 and 50 by 100 to get 0.3 and 0.5.

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Rain cannot occur until ____?
lubasha [3.4K]

Answer:

A. the air becomes saturated with water vapor

Explanation:

The saturated water vapor air forms clouds ( nimbus clouds ) which hold that vapour at a low pressure

3 0
3 years ago
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Why chlorophyll b is not found in alll eukaryotes
andrew-mc [135]

Answer:

All plants, algae, and cyanobacteria which photosynthesize contain chlorophyll "a". A second kind of chlorophyll is chlorophyll "b", which occurs only in "green algae" and in the plants.

8 0
2 years ago
HELP ASAP!! WILL GIVE 13 POINTS TO THE FIRST PERSON WHO ANSWERS THIS! AND WILL MARK AS BRAINIEST
4vir4ik [10]

Answer:

1.   As the cell size increases, the ratio of surface area to volume DECREASES

2.   It depends on the unit of the ratio 6:1. If it is in cm−1, then it means that it is similar to a cell of size 1 cm^3,  which is normally too big to get materials from the surface .

3.  A Small cell has a large surface area/volume ratio and therefore can exchange molecules with it's external environment rapidly. So, Here cell with ratio 6:1 is smaller and have ability to better transportation across it's membrane as compared to other cell with ratio 3:1

 HOPE THIS HELPS!!!

3 0
3 years ago
Proteins that affect the structure of dna bound to histones without altering histone chemical structure are called:_______
slamgirl [31]

Proteins that affect the structure of dna bound to histones without altering histone chemical structure are called Non-histone protein.

The proteins that remain after the histones have been taken out are known as non-histone proteins. A large group of heterogeneous proteins referred to as non-histone proteins organise and compress the chromosome into higher order structures.
They play a crucial role in regulating processes such nuclear transport, steroid hormone activity, nucleosome remodelling, DNA replication, RNA synthesis and processing, and the transition between interphase and mitosis.
Scaffold proteins, DNA polymerase, Heterochromatin Protein 1, and Polycomb are examples of typical non-histone proteins. This classification area also includes a large number of other structural, regulatory, and motor proteins. Non-histone proteins can be acidic. Other than histones, many proteins have the ability to bind to DNA and change the shape of the chromatin by means of epigenetic processes.

To learn more about non-histone protein-
brainly.com/question/14922129
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4 0
2 years ago
Natural selection is an important mechanism for evolution. If there is a change in the environment, which of the following state
Alex17521 [72]

Answer:

I think the correct answer to your question is:B

Explanation:

8 0
3 years ago
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