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Elza [17]
4 years ago
15

Complimentary dna strands

Biology
1 answer:
alukav5142 [94]4 years ago
8 0

Answer:

Two complementary strands of DNA come together thanks to hydrogen bonding between the nitrogenous bases that allows DNA to make a ladder-like form that twists into the famous double-helix. ... In DNA, there are four nitrogenous base options: adenine (A), thymine (T), cytosine (C) and guanine

Explanation:

In biology, specifically in terms of genetics and DNA, complementary means that the polynucleotide strand paired with the second polynucleotide strand has a nitrogenous base sequence that is the reverse complement, or the pair, of the other strand.

So, for example, the complement of guanine is cytosine because that's the base that would pair with guanine; the complement of cytosine is guanine. You would also say the complement of adenine is thymine, and vice versa.

This is true along the entire DNA strand, which is why the two strands of DNA are called complementary strands. Each and every base on a single strand of DNA is going to see its complement matched with it on the other strand.

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Hey there!


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6 0
3 years ago
Scientists think a series of events occurred to form the solar system. which
kramer

Option 4 is the correct option from the given options.

<h3>What is a solar nebula?</h3>

A molecular cloud, a collection of interstellar dust and hydrogen gas, is where our solar system first formed. Our proto-Sun originated in the hot, dense center of the cloud as it shrank due to its own gravity. The solar nebula, made up of the remaining cloud, is a whirling disk.

The Solar Nebula spun faster and faster before flattening into our solar system's rotating disk in the following order: The Sun was formed when the majority of the gas was drawn into the core, where it heated up and became dense.

After extensive study, astronomers now believe that the Milky Way galaxy contains more than 100 billion stars, including the Sun. It was created 4.6 billion years ago and has a diameter that is 109 times that of the Earth. The Sun has a surface temperature of 10,000 degrees Fahrenheit and a core temperature of 27 million degrees Fahrenheit.

Learn more about solar system here:

brainly.com/question/12834392

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8 0
2 years ago
At the coordinates 45 degrees W &amp; 72 degrees N it is 9:32 AM. What time is it at the coordinates 75 degrees W &amp; 45 degre
garik1379 [7]

Answer:

The correct option is;

7:32 AM

Explanation:

The information given are;

The time at 45 degrees W and 72 degrees N = 9:32 AM

The variation of time with lines of longitude  is given as 15 degrees for each 1 hour variation, therefore, where we have the other location at 75 degrees W and 45 degrees S, the difference in the longitude = 75 - 45 = 30 degrees west  of the initial location

Moving west is in the opposite direction of the Earths rotation, therefore, we subtract 1 hour for every 15 degrees giving 30/15 = 2 hours subtracted

The time at 75 degrees W and 45 degrees S is therefore, 9:32 AM - 2 hour = 7.32 AM

The latitude of a place left out in the calculation of the relative time of a place.

8 0
4 years ago
Color blindness is a recessive sex-linked human trait. If a color-blind father
sveticcg [70]
C I think I’m not sure tho
3 0
3 years ago
Which statement is true about photosynthesis?
aleksley [76]

Answer:

during photosynthesis energy from the Sun is stored in chemical bonds of a glucose molecule

5 0
3 years ago
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