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Elan Coil [88]
3 years ago
7

What happens to molecules of a substance during convection

Biology
1 answer:
Fantom [35]3 years ago
4 0

Answer:

Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Heat energy is transferred from hot places to cooler places by convection. Liquids and gases expand when they are heated.

Explanation:

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The process by which an object is subjected to a chemical or physical substance that kills all microorganisms on its surface is?
Whitepunk [10]
Sterilization is the process that kills all microbes by the use of physical/chemical agents.
6 0
3 years ago
In Kerr and Wright's experiment with 96 fruit-fly populations, only 4 males and 4 females bred in each generation. After 16 gene
Svetradugi [14.3K]

Answer:

2.Less than 73% of the populations would have only one allele present.

Explanation:

The two alleles chosen do not affect the fitness of flies in the lab environment, so Kerr and Wright could be confident that if changes in the frequency of normal and forked phenotypes occurred, they would not be due to natural selection.

Using a larger breeding population would not be expected to alter the outcome of the experiment.

3 0
3 years ago
A simple diagram of a DNA molecule is shown below. Which of the following is represented by X?
Reil [10]

Answer:

From the diagram X = <u>base pairs</u>

Explanation:

Genetic information stored within DNA is used for growth, reproduction, and cell repair. DNA, deoxyribonucleic acids, are long-chain, helical macromolecules made of specific sequences of covalently bonded monomers called nucleotides.

Nucleotides comprise:

  • a 5-Carbon deoxyribose sugar,
  • one nitrogenous base (adenine, guanine thymine, and cytosine)
  • and a phosphate group.

Nitrogenous bases cause nucleotides to form hydrogen bonds with other nucleotides as base-pairs. The four types of bases each make the nucleotides  Thymine and Cytosine (pyrimidine bases) along with Guanine,  and Adenine, (purine bases). In base-pair formation, Adenine forms double bonds with Thymine, and cytosine forms triple bonds with guanine.

4 0
3 years ago
How can dna be useful in phylogeny? ​
Tpy6a [65]

Answer:

If DNA is shared it helps put the pieces of the tree together.

Explanation:

hope this helps luv

6 0
3 years ago
Which would best be described as abiotic?
AysviL [449]

Answer:

A. water in a stream

Explanation:

that is abiotic

3 0
3 years ago
Read 2 more answers
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