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Amanda [17]
3 years ago
12

Physical science includes the study of

Biology
2 answers:
Sladkaya [172]3 years ago
5 0

Answer:

im not sure if nonliving things would be an answer.. but thats what i got

Explanation:

belka [17]3 years ago
5 0
C. Volcanoes and earthquakes
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Explain the relationship between crossing over and genetic variation
diamong [38]

Answer:

Crossing over is termed as a process by which genetic materials are exchanged by non-sister chromatids during meiosis. Crossing over results in the new combination of information in genetic for, the cell for a specific trait. It ensures that organisms are identical from one generation to another.

Explanation:

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3 years ago
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Which feature is found in eukaryotic cells but not in prokaryotic cells? A. plasma membrane B. nucleus C. cytoplasm D. genetic m
kiruha [24]

B is the correct answer

A prokaryote cell has no distinct nucleus with a membrane and neither does it have other specialized organelle.

In a eukaryotic cell, the genetic material is DNA in the form of chromosomes which are found within a distinct nucleus.

Examples of prokaryotes Streptomyces soil bacteria (from which streptomycin antibiotic is derived), Escherichia coli bacterium and Streptococcus bacteria (which causes strep sore throat).

Examples of Eukaryotes include protozoa such as amoeba, fungi, plants, animals and generally all  multicellular organisms.


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3 years ago
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Electrophoresis separates DNA fragments of different sizes, but this technique does not indicate which of the fragments contains
Anestetic [448]

Answer:

Answer is C.

Explanation:

Electrophoresis describes the movement of particles in a gel, influenced by an electric charge.

It is use to separate DNA particles based on their charge and size. Some of its types are native or buffer gels, gradient gels among others.

8 0
3 years ago
Genetic drift: select one:
Tom [10]
D. is the non-random change in allele frequencies that occurs in a small population.
5 0
3 years ago
If the speed of a player doubles (2x), his kinetic energy will​
SpyIntel [72]

Answer:

If you double the speed of an object, the kinetic energy increases by four times. The word "kinetic" comes from the Greek word "kinesis" which means motion. Kinetic energy can be passed from one object to another in the form of a collision.

Explanation:

The kinetic energy is proportional to the square of the speed, so doubling the speed increases the kinetic energy by a factor of 4.

8 0
2 years ago
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