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valkas [14]
2 years ago
11

Which of the following substances could pass through the cell membrane

Biology
1 answer:
Marat540 [252]2 years ago
7 0

Answer:

water

Explanation:

diffusions of malecules

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the average high temperature here in march is 22°c is this information qualitative data or quantitative data
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This information is Quantitative data
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Species a diverged from species b 60,000 years ago. On a particular gene, they have 15 nucleotide differences. How many nucleoti
a_sh-v [17]

The given question says that b species diverged around 60,000 year ago from species a. Since the divergence, they have a nucleotide difference of 15 nucleotide.

We need to find out the nucleotide difference in another 240,000 year, which means a total of 300,000 year since divergence.

The nucleotide difference in 60,000 years = 15 nucleotide.

The nucleotide difference in 1 year =\frac{15}{60,000}  nucleotide.

The nucleotide difference in 300,000 years = \frac{15}{60,000}\times 300,000 nucleotide.

The nucleotide difference in 300,000 years = 75 nucleotide.

Hence, after another 240,000 years or 300,000 years since divergence, the species and species b would show a difference of 75 nucleotide.

In another 240,000 years, there would be 60 nucleotide difference, as 15 of the nucleotide are already different in initial 60,000 years from the total of 75 nucleotide difference in 300,000 years. So, 60 (75-15) nucleotide difference would be observed in next 240,000 years.


4 0
3 years ago
You are going on a trip to the moon. Think about three things you would take with you and tell why you would take these three th
Flauer [41]

HELP ME

PERIOD, FREQUENCY OR AMPLITUDE

1. Doesn't change period

2. More of this means more energy

3. Increases as a pendulum swings back and forth faster

4. Measured in cycles per second

5. Measured in meters or centimeters

6. This is decreases with smaller swing

7. If the frequency increases, this decreases

8. Measured in Hertz

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10. if it swings back and forth slower, this decrease

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6 0
3 years ago
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What type of matter is a radio? use the properties of a radio to explain your chooise
Tresset [83]

Answer:

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Explanation:

A radio device is a solid type of matter.

  • Matter is anything that has weight and occupies a space
  • There are three main categories of matter which are solid, liquid and gas
  • A solid state of matter is made up of substances with a definite volume and a fixed shape.
  • A radio has a fixed shape. Most of the come in a solid cuboidal or cube shape
  • The volume of this three dimensional body can be measured which connotes the space it occupies at any given time.
  • The mass of the radio can be taken using a balance.
4 0
2 years ago
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