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Sunny_sXe [5.5K]
2 years ago
15

To cause cancer, tumor suppressor genes require __________ allele(s) to be mutated and therefore are considered ________________

______ . The mutation results in a ________ of function.
Biology
1 answer:
Dafna11 [192]2 years ago
7 0

Answer:

Two

Recessive

Loss

Explanation:

To cause cancer, tumor suppressor genes require two alleles to be mutated and therefore are considered recessive. The mutation results in a loss of function.

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you are given samples of the substances shown in the table the samples are labeled a b c at room temperature sample a is a solid
Eddi Din [679]

Answer:

The sample a which is solid at 20°C is "Iodine"

The sample b which is liquid at 20°C is "Bromine"

The sample c which is gas at 20°C is "Chlorine"

Explanation:

Iodine : It starts melting at 113.7°C, so the solid sample found is the iodine. Iodine is present in both solid as well as in vapor state.  Basically it is kept in closed jars. Only when it reaches the temperature above the melting point is starts melting.

Bromine: It is a non metallic element that is present in the liquid state, being a member of halogen group. It is heavy, mobile and dangerous reddish brown liquid. It is corrosive in nature, when comes in contact with human tissue and causes irritation in eye when comes in contact with its vapor.

Chlorine: In room temperature it is gas, as it has weak intermolecular interaction which fails to keep the molecules closely attached.

3 0
2 years ago
You are operating a powerboat at night. Your red sidelight must be visible to boats approaching from which direction(s)?
Degger [83]
I believe the answer is head-on and port (left). The side lights are usually visible to vessels approaching from the front or the side. The red light usually indicates a vessel's port (left) side while the green light indicates a vessel's starboard (right) side. These lights ensure that there is safety at night as the vessels navigate.
8 0
2 years ago
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Read each question carefully. Write your response in the space provided for each part of each question. Answers must be written
Drupady [299]

Answer:

The role of carbon in biological systems is to allow the formation of organic molecules, in addition to providing energy for living beings.

Explanation:

Carbon is the fourth most abundant element on earth and one of the main elements of the viological systems, and its presence is essential for life on the planet to be maintained.

Carbon is necessary for all living beings, without exception. This is because it is used in the construction of organic molecules without which no living thing can survive, in addition to providing energy when it participates in sugar molecules, such as carbohydrates.

3 0
2 years ago
In direct calorimetry, a person is placed in a large, water-insulated chamber. The chamber is kept at a constant temperature. Wh
Anastaziya [24]

Answer:

Although direct calorimetry is considered to be the most precise technique for the measurement of metabolic rate, construction of such a chamber that is large enough for doing exercise physiology research (or any research for that matter) is extremely expensive and not at all mobile.

Explanation:

Direct calorimetry measures the heat production of an individual, in calories, when placed in an insulated chamber where the heat is transferred to surrounding water. This is a very accurate method of measuring energy expenditure.

5 0
2 years ago
A micrograph of dividing cells from a rat, a diploid animal, shows a cell where 21 pairs of sister chromatids are being pulled a
Elanso [62]

Answer:

<h2>b) Anaphase II of meiosis </h2>

Explanation:

1. Meiosis is the process of cell division in which one cell is divided into four daughter cell, each contains equal number of chromosome, half the number of chromosomes as compared to parental cell.

2. In meiosis I, DNA duplication occurs but the sister chromatids are not separated, only homologous pair of chromosomes are separated, so this is called reductional division.

3. In meiosis II, chromatids are pulled apart and and are separated into different chromosomes, so it is called equational division. There is no DNA duplication in meiosis II.

8 0
2 years ago
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