Which of the following statements about the first scuba diving suit is true?a.
It weighed about 100 pounds.
b.
It was made in the 1950s.
c.
It weighed about 50 pounds.
d.
It was made in the 1870s.

Answers

Answer 1

Answer: Scuba diving suit weighs about 50 pounds, that's why the correct answer is letter c. Scuba diving suit is usually wore when someone wanted to dive underwater. Scuba diving suit protects the diver underwater since it is fitted and covers the divers skin, it also has a breathing supplies to help the diver breath under water.

Answer 2

Answer:

Answer:

D. It was made in the 1870s.

Explanation:

I just took the quiz on ed and got it right.

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Which function of the muscular system is best illustrated by the heart pumping blood throughout the body?

Answers

Contraction and relaxation of the heart is the function of the muscular system whereby illustrated by the pumping of the blood by the heart throughout the body. Though everyone is not aware, the constant contraction and relaxation of the muscles help fight gravity, that is why the muscular system is a great help in maintaining good posture.

Answer:

Which of the following statements is a false or incorrect statement?A. The male urethra serves both the urinary and reproductive systems at the same time.
B. The male urethra serves both the urinary and reproductive systems but at different times.
C. The male urethra is longer than the female urethra.
D. The male urethra is a passageway for both urine and semen.

Answers

A. The male urethra serves both the urinary and reproductive systems at the same time.

How many unique gametes could be produced through independent assortment by an individual with the genotype AaBbCCDdEE? A) 4
B) 8
C) 16
D) 32
E) 64

Answers

The answer is B) 8.

There are 5 genes. There are two possibilities for each of the heterozygous genes and only one possibility for each of homozygous genes. So, the possibilities for each gene are:
Aa - 2: A or a;
Bb - 2: B or b;
CC - 1: D;
Dd - 2: D or d;
EE - 1: E.
Genotype AaBbCCDdEE will have
2 x 2 x 1 x 2 x 1 gametes

Thus, there will be 8 unique gametes produced by an individual with the genotype AaBbCCDdEE

Which of the following is true of RNA compared to DNA?a. It lacks phosphate groups.
b. It is a single-stranded molecule.
c. Its nucleotides do not have sugars.
d. It contains four different nucleotides.

Answers

The correct answer is B. It is a single-stranded molecule. It does not lack phosphate group but rather has a different one so there's also 4 but they're a bit different. Unlike the DNA that is a double spiraling strand, the RNA is just a single strand that goes on and on. Although similar, it does completely different things from the DNA.

Final answer:

RNA is a single-stranded molecule, in contrast to the double-stranded structure of DNA.

Explanation:

b. It is a single-stranded molecule.

RNA is a nucleic acid that is similar to DNA, but with a few key differences. One of these differences is that RNA is single-stranded, while DNA is double-stranded. This means that RNA is made up of only one chain of nucleotides, while DNA has two chains that are complementary to each other.

Other differences between RNA and DNA include:

RNA contains the sugar ribose, while DNA contains the sugar deoxyribose.
RNA uses the nitrogenous base uracil, while DNA uses thymine.
RNA is typically shorter than DNA.

Learn more about RNA vs DNA here:

brainly.com/question/33301756

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DNA in a solution is negatively charged; if you ran a sample of DNA, what would you predict about its migration?

Answers

Assuming that you ran the DNA sample on an agarose gel. And that you are performing gel electrophoresis. I would predict the sample of DNA moving away from the negative terminal or end and to the positive one. As it is being repelled due to its overall negative charge and thus attracted to the positive end. Both the magnitude of charge and size of DNA sample fragment act as factors and contribute to migration.

Teeth are part of the digestive system.

[True]
Or
[False]