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Ede4ka [16]
3 years ago
12

Think about the parts of an egg, and write down why you think it can act as a model of an animal cell. Also write down your pred

ictions of what will happen when you leave an egg in vinegar for three days.
Chemistry
1 answer:
riadik2000 [5.3K]3 years ago
6 0

Answer:

Explanation:

Determine the treatments you’ll be using on your eggs, and prepare the substances you’ll need. You can make salt-water solutions by dissolving different amounts of table salt in containers of water (e.g. 100g, 200g, 300g of salt (NaCl) per liter). You can make solutions of food coloring by adding a few drops of each color into containers of  

The Eggsperiment with Vinegar solution. The first experiment conducted was the egg placed in vinegar solution which allowed the egg to become soft and bouncy . Vinegar is a weak acid which is 5% acetic acid in water (meaning vinegar is largely just water). The egg has a shell that is made up of calcium carbonate   an air cell forms at the large end of the egg. While the embryo is growing, the shell membranes surround and contain the white or albumen of the egg. The albumen provides the liquid medium in which the embryo develops, and it also contains a large amount of the protein necessary for proper development. I hope this was hopeful

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Place the following in correct sequence from simplest to most complex: 1. molecules 2. atoms 3. tissues 4. cells 5. organs
Lera25 [3.4K]

Answer:

Simplest to complex

Atoms, molecules, cells, tissues, organs

Explanation:

An atom is the smallest or basic unit of any substance or thing. therefore, it is simplest among given.

Two or more atoms joined together to form molecules. Therefore, molecules are complex than atoms.

Cell is the basic unit of life and a cell is made of many molecules and compounds. So, cells are more complex than molecules.

Several cells organised in a definite way to form tissue, so tissues are group of cells and perform a definite function inside a living thing. So, tissues are more complex than cell.

Organs consist of several cells and tissues and perform a specific functions. Therefore, organs are the most complex structure among given.

Therefore order from simplest to complex is as follows:

Atoms, molecules, cells, tissues, organs

6 0
4 years ago
What type of bonding occurs in a sample of pure copper, Cu? In other words, how is one copper atom held to another copper atom?
Aleonysh [2.5K]

B. metallic because copper is a metal

5 0
3 years ago
A beaker has 0.2 M of Na2SO4. What will be the concentration of sodium and sulfate ions?
enyata [817]

Answer:

Na+-0.0648M

SO4²-0.1352M

Explanation:

First find the R.A.M of the sodium sulphate

(23×2)+(32)+(16×4)=142

Find the portion of sodium ions=46/142×0.2

=0.0648M

Sulphate=

0.2-0.0648=0.1352M

8 0
3 years ago
Describe 3 tectonic plate interactions you thought were interesting and explain why.
Svetradugi [14.3K]

Answer:

Convergent, divergent, transform

Explanation:

Convergent- tectonic plates move towards one another

Divergent-  they move away from each other, or in other directions

Transform- tectonic plates slide past/against each other

8 0
3 years ago
I need help with this
son4ous [18]

Answer:

2nd one

Explanation:

4 0
3 years ago
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