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4 years ago

What happens when a cell is placed in a 0.3 solution ...

Biology

1 answer:

Olenka [21]4 years ago

4 0

Answer:

If red blood cells are placed in a 0.3 M NaCl solution, there is little net osmotic movement of water, the size and shape of the cells stay the same; the NaCl solution is isotonic to the cell.

Explanation:

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Daniel has a sample of pure copper. Its mass is 89.6 grams and its volume is 10 cubic centimeters. What's the density of the sam

faust18 [17]

Answer :

$8.96 \frac{g}{cm} ^3$

Explanation : To find density, we can use the formula as given below;

density ρ =

$\frac{mass(m)}{volume(v)}$

Here, we have the mass as 89.6 g and the volume is ,

on calculating we get,

This means that the density of the copper sample is

3 0

3 years ago

Why is it nesscary for the cell to grow and duplicate its dna before the start of meisos

guajiro [1.7K]

<h2><em>the DNA that is packaged into chromosomes must be fully copied. Previous to replication, a germ cell contains two copies of each chromosome, a maternal copy, and a paternal copy. ... DNA replication occurs in the same fashion as it does during mitosis.</em></h2>

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4 years ago

Where would you find a strong acid on the pH scale?<br> A. 1<br> B. 5<br> C. 3 <br> D. 13

aivan3 [116]

Answer:

A. 1

Explanation:

pH is a measure of how acidic/basic a substance is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base.

note: the closer you are to the neutral the weaker it gets.

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3 years ago

What energy source provides the heat to form the "ingredients" of Igneous rock?

Luba_88 [7]

Answer:

The two major sources of energy for the rock cycle are also shown; the sun provides energy for surface processes such as weathering, erosion, and transport, and the Earth's internal heat provides energy for processes like subduction, melting, and metamorphism.

Explanation:

Hope this helped, Have a Wonderful Day!!

5 0

3 years ago

What carries out translation

Anestetic [448]

The ribsome is where translation happens.

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3 years ago