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Marina86 [1]
3 years ago
10

Which of the following cell structures is found in plant cells but not in animal cells?

Biology
1 answer:
Rama09 [41]3 years ago
7 0

Answer:

Explanation:

Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells.

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An rna molecule is looking for a job in a protein synthesis factory. it asks you to write its resume. this rna molecule is not y
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rRNA stands or ribosomal RNA. It is essentially the ribosome and is comprised of the large and small subunit. The rRNA allows the mRNA to go through rRNA in order to create the amino acid chain.

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5 0
3 years ago
What is the purpose of the uninoculated control tubes used in the oxidation fermentation test? why is it necessary to use two co
Vitek1552 [10]

<u>Answer</u>:

1. The purpose of the uninoculated control tubes used in the oxidation fermentation test is to serve as basis of the medium for the color comparison and that it is sterile.

2. It is necessary to use two controls in order to illustrate the no color change (green color) under both aerobic and anaerobic conditions.

3. The purpose of the experiment is to determine if the organisms utilize the carbohydrate and thus is fermentative. This will result in a color change from green to yellow.

Thus, the medium in one tube is sealed with a layer of paraffin to prevent diffusion of oxygen.  This tube will show that the medium is unaffected by the lack of oxygen.

The second tube will allow the diffusion of oxygen. This tube will show that the medium does not change color naturally in the presence of oxygen. Thus, the color changes will be caused only by the fermentation process of the organisms.

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3 years ago
Heart disease is a noncommunicable disease because
tatuchka [14]

The right answer is it can be influenced by lifestyle factors.

Noncommunicable diseases - or chronic diseases - are long-term diseases of generally slow evolution. The 4 main types of noncommunicable diseases are:

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Noncommunicable diseases, or NCDs, are by far the leading cause of death in the world, accounting for over 63% of all annual deaths.

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3 years ago
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Mademuasel [1]

Answer:

All the F2 progeny with recessive traits would be males

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3 years ago
What are two ways in which the value of soil can be reduced?
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Fertile soil is valuable because there is a limited supply. Less than one eighth of land on Earth has soil that are well suited for farming.

The thick, fertile soil of the prairies took many thousands of years to develop.

The two ways that the value of soil can be reduced is help use soil correctly, peanuts were once a corp to help soil, and still can be. The soil value recycle rocks and bedrock.

The value of soil is reduced when it loses its fertility and when topsoil is lost due to erosion. Soil can be conserved through contour plowing, conservation plowing and crop rotation. The thick mass of tough roots at the surface of the soil.

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