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skad [1K]
3 years ago
5

1. What is the relationship among chromosomes, genes, and DNA?

Biology
2 answers:
sdas [7]3 years ago
8 0

Answer: the correct answer is B) Genes are made up of tightly wound strands of DNA. Chromosomes are made up of one or more genes.

Explanation: I took the test and got it right! Have a nice day/night!

Lyrx [107]3 years ago
7 0
I think it’s b hopefully it helps
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DNA replication makes two new DNA molecules:
Ahat [919]
The correct answer is b each with two new strands
8 0
3 years ago
The invention of the electron microscope opened up many doors for biologist’
Dovator [93]

The invention of the electron microscope opened up many doors for biologists as it helped them to view and learn the appearance of cells and their sub-cellular structures

<h3>What is an electron microscope?</h3>

Electron microscope are microscopes which helps biologists to view the appearances of cells of organisms which cannot be seen with our nak -ed eyes.

Generally, electron microscopes:

  • Uses a beam of accelerated electrons as its source of illumination
  • Helps in obtaining high resolution images of biological and non-biological specimens.
  • It is also used in biomedical research

In conclusion, electron microscope helps biologists to view, learn and to also understand the appearance of cells and their sub-cellular structures

Learn more about electron microscope:

brainly.com/question/2845212

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8 0
2 years ago
50 POINTS
lapo4ka [179]

City-state government was often conquered because they did not have enough resources to protect themselves

Explanation:

A city-state government is an independent autonomic political system which usually compromises just a single independent city which is governed by itself with sovereignty over its territory. The city-states like Greece, Italy, and Rome etc became very powerful.

The main reason for these city-states being conquered more was the accumulation of wealth and aristocracy in such states.

Heavy taxes, religion, slavery also lead to social unrest and conflicts among these city-states which made them weaker.  These internal conflicts also made them lose their resources and vulnerable to be conquered by other powerful empires.

With the increasing power of neighboring states, like in the case of Rome and Greece, the Romans became mightier than Greeks at one point and conquered the Greek city-states.

6 0
3 years ago
3. Describe the mechanisms by which restrictive lung diseases reduce lung function and describe an example
Ivan

The mechanisms by which restrictive lung diseases reduce lung function is increasing shortness of breath, chronic cough, weight loss, and fatigue.

<h3>How does the breathing process work?</h3>

Pulmonary ventilation consists of the flow of air into and out of the lungs with each cycle, which is composed of inspiration and expiration; it is a what they run on is the process of running the resources.

The respiratory pattern of individuals with restrictive diseases is a higher respiratory rate and lower tidal volume. of the airways, that is, they have a smaller radius. The faster the flow, the greater the friction of the molecules with the airways, further increasing the resistance.

See more about restrictive lung diseases at brainly.com/question/13047253

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7 0
2 years ago
Classification od hornwort​
miv72 [106K]

Answer:  Traditionally, hornworts have been classified as bryophytes, together with mosses (division Bryophyta) and liverworts (division Marchantiophyta). In some classification systems, hornworts have been grouped as horned liverworts in the subclass Anthocerotidae (class Hepaticae), class Anthocerotopsida, order Anthocerotales.

Explanation: Yw and pls mark me brainiest

7 0
2 years ago
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