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neonofarm [45]
2 years ago
8

What are genes, DNA, chromosomes?

Biology
1 answer:
Leto [7]2 years ago
6 0
Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

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Canine teeth of human beings are called vestigial organs and archaeopteryx is called a bridge animal,why?​
Alexxandr [17]

Canine teeth are not as useful as it is in animals while archaeopteryx has the character of both birds and reptiles.

<h3>What are vestigial organs?</h3>

The vestigial organs are those organs that have no apparent function in the body which means that the body can do without them.

Examples of vestigial organs in the body are:

  • appendix

  • wisdom teeth

The canine teeth is a type of teeth in mammalian dentition and is said to be vestigial because man can do without it.

Archaeopteryx are animals that has the characteristics of both birds and reptiles because it bears wings like birds and has hands it uses to crawl like a reptile.

Learn more about vestigial organs here:

brainly.com/question/1350219

7 0
2 years ago
If 15% of a DNA sample is made up of thymine, T, what percentage of the sample is made up of adenine, A? And why
Rus_ich [418]

Answer:

15% is adenine

Explanation:

adenine is paired with thymine meaning the amounts will be equal

4 0
3 years ago
What are the characteristics of high energy waves?
satela [25.4K]
High frequency, short / small wavelength 
6 0
3 years ago
Read 2 more answers
Use the normal ecg trace below to determine how many seconds the trace represents as well as the heart rate.
mezya [45]
Attached is the image of the concerned ECG reading.

In reading the ECG, first you read the heart rate. To read the heart rate, you must count for the number of small boxes in between QRS complexes, specifically R-R intervals. These number of small boxes will then be used to divide 1500. In this example, there are 20 small boxes between R-R intervals. 1500 divided by 20 is 75, so the heart rate of this ECG reading is 75 beats per minute. 

<em>Another way, albeit less accurate, is to count the big squares between R-R intervals and instead of dividing it by 1500, you divide it by 300.</em>

3 0
3 years ago
When salt is dissolved in fresh water, the density of the water ______ because the mass of the water increases.
Slav-nsk [51]

Answer: b- increases

Explanation:

8 0
3 years ago
Read 2 more answers
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