BIOLOGY HIGH SCHOOL

Fruit flies are commonly used in genetic investigations that focus on traits passed from parents to offspring over several generations. What can you infer is the reason fruit flies are the most commonly used organism for this type of investigation?

Answers

Answer 1

Answer:

Answer:

The correct answer will be-short life span and rapid reproductive.

Explanation:

Fruit flies or Drosophila melanogaster is a model organism used to study the principles of genetics as:

1. Short life span- they have a very short life span about 40-50 days in which they complete their life cycle.

2. Reproduction- The reproduction in an organism is very rapid that is they reproduce and produce a large number of offsprings in a short period of time.

Thus, scientist uses them to study genetics and observe traits in a small period of time.

Answer 2

Answer: Fruit flies reproduce rapidly and they have easily observable traits.

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Name the organelle of plant cells in which photosynthesis occurs

Answers

in the chloroplasts of a plant cell

chloroplast is right

Explain the energy transformation that occurs when a person exercises.

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AnswerYou could use the better version of the internet

Explanation:

Answer:

Electrical energy is defined as the energy flowing through a device due to the flow of electrons or charges from one point to another.

The energy present within an object or material due to the sum of its motion and potential energy is known as mechanical energy.

Thermal energy is defined as the energy present within an object because of the motion of its particles.

So, when we plug in and turn on a hair dryer then electrical energy starts to flow. As a result, some of its molecules will gain kinetic energy and some will have potential energy.

Hence, its sum will lead to formation of a mechanical energy. Since, this mechanical energy gets converted into thermal energy due to which hairs get dry.

Thus, we can conclude that the energy transformation that occurs when a hair dryer is plugged in and turned on is that electrical energy transforms into mechanical and thermal energy.

Explanation:

You will have the following equipment available to you to monitor temperature and carbon dioxide and oxygen. This data will be useful to study the effect of temperature on cricket metabolic rate because

Answers

Answer:

Yes. Levels of Carbon dioxide must be equal in proportion to metabolic rate of the system. is a product of cell respiration and should be monitored.

Explanation:

Levels of carbon dioxide must be equal in proportion to metabolic rate.

Carbon dioxide is a product of cell respiration and should be monitored to avoid surfocation and likes

As the temperature of the system(or body) increases, oxygen level decreases leading to increase in carbon dioxide level which is very dangerous for any system or an organisms. This can leading to Astma and other respiration problems.

Describe the tetracycline group of antibiotics. How do these drugs work? What is their target on a bacterial cell? Which types of bacteria are they effective against?

Answers

Tetracyclines are antibiotics used against a wide range of microorganisms, such as bacteria, chlamydia, rickettsia and some protozoa parasites.
They inhibit synthesis of protein in bacteria by inhibiting the binding of transport RNA and ribosome and are effective against both gram-positive and gram-negative bacteria.

Water harvesting, the collection of rainfall and run off for future use, has been practiced for thousands of years; but in some regions where it was previously used it has been forgotten. In countries facing huge problems with land erosion due to runoff, governments have been encouraging the implementation of this technique. The implementation is important for more than pervention of water erosion . What other benefit might water harvesting have in these areas

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In some areas where water harvesting technique is applied, gains benefit in various ways such as water supply for agricultural purposes and another water usage for the day to day activities like for bath, washing, and cleaning.
More importantly, the use of this technique enables the area to have a clean drinking water. Water is safe to drink because it includes filtration.

Answer:

Explanation:

What were Louis Pasteur's experiments related to spontaneous generation?

Answers

Spontaneous generation was a (refuted) theory that some forms of life can arise from inorganic matter.

Louis Pasteur refuted it in a series of experiments, in which he boiled different matter (grape juice, broth) which would kill all the bacteria and let it stay for a long time to see if it would develop life (he also had a control condition in which he let the boiled liquid interact with the outside words, and those would develop bacterial life).

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