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77julia77 [94]
3 years ago
9

True or False: Polar molecules do not have a difference in electrical charge.

Biology
1 answer:
Lesechka [4]3 years ago
3 0

Answer:

false

Explanation:

nonpolar molecule has no separation of charge, so no positive or negative poles are formed

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El sistema muscular humano presenta tres funciones específicas cuales son
bija089 [108]

Answer:

The muscular system is the set of more than 650 muscles in the body, whose main function is to generate movement, whether voluntary or involuntary.

Explanation:

The functioning of the muscular system can be divided into 3 processes, one voluntary in charge of the skeletal muscles, the other involuntary carried out by the visceral muscles and the last process is the duty of the cardiac muscles and autonomous functioning.

Skeletal muscles allow walking, running, jumping, in short, they empower a multitude of voluntary activities. Except for reflexes, which are the involuntary responses generated as a result of a stimulus. As for involuntary functioning muscles, it can be specified that they perform independently of our will but are supervised and controlled by the nervous system, they are responsible for generating pressure for the transfer of fluids and the transport of substances throughout the organism with the help of peristaltic movements (such as food, during the digestion and excretion process).

The autonomous process takes place in the heart, an organ made of heart muscles. The primary function of this muscle tissue is to contract regularly, millions of times, having to endure fatigue and weariness, or else the heart would stop.

7 0
3 years ago
Name the enzyme produced by each organ please help me
Alja [10]

Answer:

Boca  ptialina  actúa sobre los almidones

Estomago pepsina almidones y azucares

Hígado fosfatasa alcalina, alanina aminotransferasa y aspartato aminotransferasa. Transforman el alimento en energía

Explanation:

7 0
3 years ago
What are two distinguishing features of RNA?
dexar [7]

Answer:

The correct answer will be option-D

Explanation:

RNA or ribonucleic acid is the nucleic acid which was formed in the primordial time. The RNA molecule acts as an enzyme called ribozyme and also acts as the genetic material of a few viruses.

The RNA is composed of nucleotide monomer where each nucleotide is made of a ribose sugar, a phosphate group and the nitrogenous base adenine, uracil, cytosine and guanine.

Thus, option-D is the correct answer.

5 0
3 years ago
What is observational classification
ladessa [460]

Answer:

Three types of observational studies include cohort studies, case-control studies, and cross-sectional studies

7 0
2 years ago
Read 2 more answers
What structural characteristic is seen in RNA but not in DNA
Alja [10]
In RNA, Ribose is the molecule that forms the backbone; as opposed to DNA, in which deoxyribose forms the backbone
8 0
3 years ago
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