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LenaWriter [7]
3 years ago
8

An object was measured by a worker as

Biology
1 answer:
tensa zangetsu [6.8K]3 years ago
4 0

Answer:

2.5271%

Explanation:

The percent error is defined as;

(error/actual value) * 100%

In this case the error will be;

27.7cm - 27.0cm = 0.7cm

The actual value is 27.7cm since it is the one specified by the manufacturer.

The percent error in the worker's measurement is thus;

(0.7cm/27.7cm) * 100 = 2.5271%

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Answer:

Lysosomes.

Explanation:

HEXA (Hexosaminidase A) is the functional enzyme and encoded by the HEXA gene. The main function of this enzyme is the hydroxylation of the gangliosides.

The mutation in this gene leads to the lysosomal storage disease. The GM2 starts accumulating in the lysosomes and causes Tay Sach's disease. This is a genetic disorder that leads to the breakdown of the cells of the spinal cord and the brain.

Thus, the answer is lysosomes.

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3 years ago
When is a recessive allele expressed?
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when an organism is homozygous at the locus

Explanation:

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Muscle fibers are directly surrounded by which thin layer of connective tissue?
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The correct answer will be- epimysium

Explanation:

Epimysium is the fibrous connective tissue envelope which surrounds the muscle fibers of the muscle as a whole.

The epimysium plays an important role in maintaining the muscle structure as it protects the muscle from the friction caused by the associated bones and the muscles. The epimysium is continuous with other layers called the endomysium, perimysium, tendons and the fascia.

Thus, epimysium is the correct answers.

 

4 0
3 years ago
Which statement is true?
svet-max [94.6K]

Answer:

RNA molecules are made of nucleotides. (Ans. C)

Explanation:

RNA, which is also known as ribonucleic acid is found in cytoplasm of the cell, and synthesized in the nucleus. It is shorter, and a single stranded molecule. It is composed of one or more nucleotides which are linked together by phosphodiester bonds.

In RNA, the ribonucleotide contains pentose sugar ribose, four nitrogenous bases (A,U,C,G), and a phosphate group. RNA plays many types of role in cells, but mainly involved in the translation process, and it's regulation which is known as protein synthesis.

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3 years ago
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Type the correct answer in each box. The atomic number of sodium (na) is 11. The element phosphorous(p) is the fourth element to
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The atomic number of phosphorus is 15. It has zero charge because it has 15 electrons.

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