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hodyreva [135]
3 years ago
8

What is it called when a segment of a chromosome is lost

Biology
2 answers:
Nutka1998 [239]3 years ago
6 0

Answer:

Translocation

Explanation:

Sometimes a piece of chromosome will attach onto a different, non- homologous chromosome that has also lost a piece.

FrozenT [24]3 years ago
4 0

Answer:

chromosomal disorder

Explanation:

when a chromosome break happens in each of two nonhomologous chromosomes and then the two breaks rejoin in a arrangements it is called translocation .

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Which of the following organisms is a heterotroph?
Mamont248 [21]

Answer:

a mushroom is a heterotroph

the main difference between fungi and plants: Fungi=heterotroph, plants=autotroph

Explanation:

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3 years ago
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Why is it sometimes hard to establish an MPA?
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<h2><em>Why is it sometimes hard to establish an MPA?</em></h2>

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4 0
2 years ago
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Groups of individuals that belong to the same species and live in the same environment
MissTica

Answer:

This is known as Population.

Explanation:

A population is made up of organisms of the same kind living together in the same habitat. Characteristics of a population include the population size, frequency, density, percentage cover and distribution.

Factors that dominantly affect a population comes up especially in size and distribution. These factors include; migration of organisms to other habitats, invasion or colonization by new species, increase or decrease in birth and death rates etc

4 0
3 years ago
1. What causes the autorhythmicity or action potentials of the nodal cells? a. A decrease in chloride permeability b. A gradual
Sveta_85 [38]

Answer:

The correct answer will be option-C

Explanation:

The rhythm of the heartbeat is controlled by the pacemaker of the heart called the sino-atrial node.

The SA node generates action potentials which trigger the contraction and relaxation of the atrium and ventricles. The membrane potential generation initiates by the depolarization of the cell membrane when the L type of Ca⁺² ions opens up and calcium ions enter the cell.

This depolarizes the cell until the potential threshold is reached which lies between the -40 and -30 mV.

Thus, Option-C is the correct answer.

5 0
3 years ago
Xi needs to stay awake another hour to study for his English final, so he drinks several cups of cola. When he's done studying,
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Answer:

The correct answer is a. sugar

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