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IRINA_888 [86]
3 years ago
15

Which theory suggests that the universe continues to look the same throughout, with the old stars and

Biology
1 answer:
vodka [1.7K]3 years ago
6 0

Answer:

I believe it is Hubble's law but I could be wrong

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The movement of tectonic plates buries a rock deep inside Earth. Intense heat and pressure change the mineral composition of the
Tems11 [23]

Answer:

Rock B has a fine grainy texture and small crystals

Explanation:

1. still hasn't turned into sedimentary rock, or metamorphic. Its most likely gonna be igneous  and Igneous rocks have grainy texture and small crystals since its still developing

8 0
3 years ago
A certain restriction enzyme digest results in DNA fragments of the following sizes: 4,000 bp, 2,500 bp, 2,000 bp, and 400 bp. S
Paladinen [302]

Answer:

Smaller the size of the DNA fragment, farther it moves during electrophoresis. The sketch of the position of the fragments has been drawn in the figure below.

Explanation:

As we know DNA is a negatively charged molecule. So during electrophoresis the fragments move towards the positive electrode because opposite charges attract each other.

Different fragment move different distances according to their size during the electrophoresis. Smallest segment travels the largest distance in the gel medium while the largest one travels least distance.

In the question there are four DNA fragments with base pairs 4000, 2500, 2000 and 400 so the smallest segment with 400bp will be farthest from the starting point and the largest fragment with 4000bp will travel least distance in the gel medium. Their respective positions are shown in the figure below. The starting point is near the negative electrode.

8 0
3 years ago
Would an Egyptian pyramid that is 4500 years old be considered a fossil?
lara [203]

An Egyptian pyramid that is 4500 years old will be considered as a fossil in this scenario.

<h3>What is a Fossil?</h3>

This is defined as trace of an animal or plant of a past geologic age that has been preserved in Earth's crust.

Since it has been discovered that the egyptian pyramid contains thousands of marine fossils then it can be generally referred to as a fossil.

Read more about Fossil here brainly.com/question/11829803

#SPJ1

8 0
2 years ago
At what point in the development of the embryo do you think a pregnant woman must begin to increase the number of calories she c
Gekata [30.6K]
Between four and seven months
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3 years ago
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What is the role of histone modifying proteins?
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Histone proteins act to package DNA, which wraps around the eight histones, into chromosomes. Histone modifications act in diverse biological processes such as transcriptional activation/inactivation, chromosome packaging, and DNA damage/repair.
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