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dezoksy [38]
2 years ago
8

cell wall A structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages

them, and distributes them to other parts of the cell. O Long, thin fibers that function in the movement and support of the cell O A double layer of phospholipids that makes up plasma and organelle membranes. O A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.​
Chemistry
1 answer:
Vilka [71]2 years ago
4 0

Hello! I believe you are asking what a Cell wall Is.

Answer:

<em> A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.</em>

Explanation:

A cell wall is<u><em> a sturdy outer layer of protection of the plant cell. It protects the cell membrane and other organelles from the environment, bacteria, and viruses</em></u>. It is composed of cellulose, lignin, and suberin interspersed with carbohydrates and proteins.

Hope this Helps!

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What is the purpose of the lateral line
artcher [175]

The lateral line is a system of sense organs found in aquatic vertebrates, used to detect movement, vibration, and pressure gradients in the surrounding water. ... For example, fish can use their lateral line system to follow the vortices produced by fleeing prey

8 0
3 years ago
What are two social and economical impacts of Mass Movements?
RUDIKE [14]

Answer:

Mass movement, or mass wasting, has significant effects on humans, including loss of property, severe injury and death.

Explanation:

3 0
3 years ago
Write electron configurations for the following ion: Cd2 Cd2 . Express your answer in order of increasing orbital energy. For ex
Mashutka [201]

Answer:

Cd2+ : 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 or [Kr] 4d¹⁰

Explanation:

Before proceeding to write out the electron configuration of Cd2+, we have to obtain the electron configuration of Cadmium (Cd),

Cadmium has an atomic number of 48, this means that a neutral cadmium atom will have a total of  48  electrons surrounding its nucleus.

The electronic configuration of Cadmium is;

Cd: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10

The shorthand notation is given as;

Cd: [Kr] 4d¹⁰5s²

Cd2+ means that it has two less electrons, hence it's electron configuration is given as;

Cd2+ : 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10 or [Kr] 4d¹⁰

5 0
3 years ago
Sand is a particulate in nature​
Kruka [31]

Answer:

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<em>Sand is a granular material composed of finely divided rock and mineral particles. Sand has various compositions but is defined by its grain size. Sand grains are smaller than gravel and coarser than silt.</em>

7 0
3 years ago
Which of the following isotopes would most likely be unstable and therefore radioactive?
svlad2 [7]

Answer: Mercury-194 is an unstable isotope and hence is radioactive.

Explanation: Mercury-194 is an isotope of mercury, having formula _{80}^{194}\textrm{Hg}

Number of protons in this isotope = 80

Number of neutrons in this isotope = 114

This isotope is radioactive in nature and under decay process by Electron Capture.

Electron capture reactions are the reactions in which a proton in a nucleus absorbs an electron and convert it into neutron. The resulting nucleus will have a decreased atomic number and same atomic mass.

Reaction for electron capture of mercury-194 follows:

_{80}^{194}\textrm{Hg}+_{-1}^0\textrm{e}\rightarrow _{79}^{194}\textrm{Au}

6 0
3 years ago
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