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Dmitry [639]
1 year ago
11

Which gas is the most abundant in Earth's atmosphere?

Biology
2 answers:
KIM [24]1 year ago
5 0
Answer: Nitrogen

It takes up about 78% of the mass of dry air.
spayn [35]1 year ago
4 0

Answer:

Nitrogen

Explanation:

nitrogen, which accounts for about 78% of the mass of dry

thoughtco.com

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List the monomers and polymers of carbohydrates, lipids, proteins, and nucleic acids.
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Answer:

monomer of carbohydrates glucose,sucrose,fructose

polymer of carbohydrates starch,cellulose,glycogen

monomer of protein amino acids

polymer of protein polypeptides

monomer of nucleic acid nucleotides

polymer of nucleic acid DNA

polymer of lipids triglycerides

monomer of lipids 3 fatty acids and glycerol

4 0
3 years ago
If there are 10 chromosomes in a particular cell at the start of prophase how many will be present in the same cell at the end o
Ilia_Sergeevich [38]

Answer:

20 chromosomes

Explanation:

Mitosis is a kind of cell division that results in daughter cells with same number of chromosomes as the parent cell. It involves stages including Prophase, Metaphase, Anaphase and Telophase. In prophase, the Chromatin condenses into Chromosomes.

In Anaphase stage, the 10 chromosomes as mentioned in the question divides into opposite poles of the cell. One individual chromosome contains two sister chromatids, which actually separates in the Anaphase stage. Hence, at the end of the Anaphase stage, there will be 10 chromatids each at opposite poles of the cell. Each chromatid at this stage is considered a chromosome.

Hence, a cell with 10 chromosomes will contain 20 chromosomes (10+10 chromatids on each pole) in the Anaphase stage just before the cell divides into two in a process called CYTOKINESIS.

4 0
3 years ago
A bacteria called E. coli is found in different kinds of foods, including beef. Thoroughly cooking beef can help prevent infecti
svet-max [94.6K]

Answer:

The conclusion drawn from this information is:

The beef cooked well will not have a chance of having E coli or effecting anyone with it, because the bacteria will die from extreme heat.

8 0
3 years ago
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Rudiy27
<span>When you are pregnant, you do not ovulate because you have already fertilized an egg and it is embedded into the uterus where it is growing into a baby. The body knows this, so it does not shed the uterine lining. The shedding of this lining is triggered by hormones which change when the body is pregnant. During pregnancy, a large amount of progesterone is initially produced which helps to prevent the lining from shedding. If you are not pregnant, your progesterone level will begin to decline at the end of your cycle, triggering the shedding of the lining and the period. Birth control pills alter your hormones to mimic a pregnant state. This will prevent the body from releasing an egg and then shedding the uterine lining.</span>
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2 years ago
In what step of the scientific method is information obtained through the senses?
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Observation the action or process of observing something or someone carefully or in order to gain information:
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3 years ago
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