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ddd [48]
2 years ago
9

1. Eight components present in nucleic acids are listed in the box.

Biology
2 answers:
Dennis_Churaev [7]2 years ago
8 0

Answer: B: 3 and 5 only

Explanation:

AnnyKZ [126]2 years ago
5 0
The answer is Thymine.

—Evidence—
Within the DNA molecule, adenine bases located on one strand form chemical bonds with thymine bases on the opposite strand.
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Which of the following statements about the development of infectious diseases is correct?
zalisa [80]

The period of Convalescence is the time during which the person regains health and fully recovers.

Explanation:

  • Diseases that can spread from one person to other  are called infectious disease.
  • Disease development is divided into Incubation period, Prodromal period, period of illness, Decline period, and period of Convalescence.
  • During incubation period the pathogen enters the host body and starts multiplying itself. But the signs of diseases are unnoticeable.
  • Then comes  the prodromal period, when the pathogen keeps multiplying itself and some signs of disease are observed but they are not obvious
  • After the prodromal period comes the period of illness when the patient exhibits obvious signs of sickness.
  • As the period of illness is over the symptoms of disease start to cease and the the number of pathogen decrease in body.This period is the period of decline.
  • Finally comes the period of Convalescence when the person returns to his pre-disease state and is completely healthy. (except irreversible damage caused by the disease)
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3 years ago
explain the difference between a scanning electron micrscope and transmission electron microscope and their uses
BabaBlast [244]
Scanning electron microscope- this is a type of microscope that uses beams of electrons to view the surface of a specimen. it is used to provide a three-dimensional image of cells

transmission electron microscope- uses beams of electrons to examine the insides of thin slices of materials. it is used to provide a two-dimensional image of cell structures
8 0
3 years ago
What was galilos contribution to the study of motion?​
In-s [12.5K]

Using the telescope, Galileo discovered the mountains on the moon, the spots on the sun, and four moons of Jupiter. His discoveries provided the evidence to support the theory that the earth and other planets revolved around the sun.

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What part of the cell cycle results in daughter cells?
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What are the options on it? I could help
5 0
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Read 2 more answers
Match the words below to the appropriate blanks in the following sentences.
Masteriza [31]

Answer:

1. Malonyl CoA

2. Inhibits

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4. Carboxylase

5. Insulin

6. Synthesis

7. Glucagon

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Explanation:

the oxidation of the mitochondria is blocked by the entry of fatty acid units, a reaction produced by stopping the carnitine acetyl transferase mediated by Malonyl CoA

A key intermediate in fatty acid synthesis ——-Malonyl CoA—-inhibits —-carnitine acyltransferase I, thereby blocking the entry of fatty acyl units into the mitochondrion for oxidation.

The substrates for fatty acid oxidation, ——Fatty acyl CoAs ——-, inhibit fatty acid synthesis by interfering with the polymerization of acetyl-CoA ——carboxylase ——.

Hormonal effects on adipocytes are opposed:——- Insulin ——-promotes fatty acid ———-synthesis ——-by several mechanisms;——Glucagon ——promotes fat breakdown and fatty acid ——Oxidation ——

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3 years ago
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