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Reika [66]
3 years ago
9

Before viruses can reproduce, they must 

Biology
2 answers:
Jet001 [13]3 years ago
7 0

Hello There!

Before viruses can reproduce, they must infect a host cell.

Viruses need a way to enter the body before they can infect a host cell.

Kazeer [188]3 years ago
6 0

Before viruses can reproduce, they must infect a host cell.

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When the outer electron shell is full in an element, this creates a __________ ___________
Ierofanga [76]

<u>Answer: </u>

When the outer electron shell is full in an element, this creates a Noble gas.

<u>Explanation</u>:

Noble gases are the elements that belong to group 18 in the periodic table.  Noble gases are also called as inert gases. The outermost shell of the noble gases are fully filled by electrons. Due to this the noble gases don’t react with any other elements and remain isolated.

There are 6 noble gases in the periodic table. They are helium (He), Argon (Ar), Neon (Ne) Krypton (Kr), Radon (Rn) and Xenon (Xe). Noble gases conduct electricity. They are fluorescent, odorless and colorless. Noble gases are used a maintain stable elements in a constant and safe environment.

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3 years ago
The steps in which solar wind is formed
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Solar wind is a stream of charged partials released from the upper atmosphere of the sun. this plasma consists of mostly of electrons, protons and alpha partials with thermal energys betwqeen 1.5 and 10 kev
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If you were looking through a microscope, how would you be able to tell if you were looking at a eukaryotic cell? Explain and/or
miss Akunina [59]
Eukaryote cells have a nucleus of course , and also you’ll see that its larger and has a cell membrane .
8 0
3 years ago
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During the summer months, people who live near the North Pole will have than people who live near the equator longer days longer
Colt1911 [192]

Answer:

reas on the Equator have a constant 12 hours of day light all year round. As latitude increases to 80° (polar circles - north or south) day length can be seen to increase to 24 hours or decrease to zero (depending on time of year). Land of the Midnight Sun and Polar Winters where the sun never rises.

Explanation:

hope this helps

4 0
3 years ago
An individual running a marathon may experience periods of oxygen deprivation that can lead to
Harman [31]

Answer:

A. anaerobic respiration in muscle cells, forming lactic acid

Explanation:

Running marathon is a vigorous exercise, which often leads to excessive use of oxygen in the cells of the athlete. This causes the cells to switch from the aerobic (with oxygen) to the anaerobic (without oxygen) mode of respiration. This anaerobic respiration produces a product called LACTATE OR LACTIC ACID.

The lactic acid becomes excessive and gets stored in the muscle cells of the athlete. This often leads to cramps, muscle pulls etc. during the marathon. Therefore, an individual running a marathon may experience periods of oxygen deprivation that can lead to anaerobic respiration in muscle cells, forming lactic acid.

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