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Keith_Richards [23]
3 years ago
8

Scientists use this word for any part of a cell enclosed by a membrane

Biology
1 answer:
masha68 [24]3 years ago
6 0
An organelle is the word that scientists use to describe a part of a cell that is enclosed by a membrane. A lysosome, nucleus and a mitochondria are all examples of organelles.
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Top 3 vitamins in chicken
ludmilkaskok [199]

Answer:

potassium, phosphorus and zinc.

Explanation:

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2 years ago
Scientific thinking: how can scientists assess the health risks of trans fats
Klio2033 [76]
Scientists can access the risks of trans fats by conducting an appropriate experiment which will show the effects of the fats on the human system.
This can be done by feeding known quantity of trans fats to rats over a specific period of time. During the period, the change in the rat weights will be measured on the daily basis and every other changes that is noted in the rats will be noted down. A control group of rats will be included in the experiment; these rats will be given normal rat feeds and not trans fats.
 When the period of feeding is completed, the rats will be killed, all the organs in the rats such as liver, blood, brains, kidney, etc will be harvested and these organs will then be biochemically analysed in order to compare the changes in them with that of a normal rats.
Rats are usually used in biochemical research because their systems and that of human is comparable. Any negative effect of trans fats that is noted in the rats will also hold true for human beings.
4 0
3 years ago
_____ is the oldest possible age that members of a species can attain, whereas _____ is the number of years the average newborn
tankabanditka [31]

Maximum life span is the oldest possible age that members of a species can attain, whereas average life expectancy is the number of years the average newborn in a particular population group is likely to live.

<h3>What is life span? </h3>

Every living organisms pass through birth, growth, reproduction, old age, death. this period is called as life span.

<h3>What is death? </h3>

When all life activities are stopped in an individual organisms due to various reasons like ageing, disease, accidents, etc. it is called death.

Also some fully grown living organisms divides physically into two daughters, thus ending its independent existence.

<h3>What is living? </h3>

The objects with specific form and structure exhibits growth, development, reproduction, responsiveness and other unique characteristics of life. it is called living beings.

The living world is wonderful with wide range of living organisms. the earth is populated by various types of plants and animals.

Life is a complex organization of chemical molecules that express itself by chemical reactions leading to specific characteristics like cellular structure, growth, development, reproduction, adaptation, consciousness, death, etc.

Learn more about living here :

brainly.com/question/5836819

#SPJ4

3 0
2 years ago
The cells of plants and animals are similar, except for a few different structures. Which structures are only found in
ASHA 777 [7]
I just need this for I can post my question sorry
4 0
3 years ago
Read 2 more answers
What are these structures stop blood flowing backwards into the atria.
wel

Answer:Valves stop blood flowing backwards

Explanation: Valve are flags of tissue that control the direction of the blood in our heart.,it prevent the backwards flow of blood. valves regulate blood from flowing back into the atria.The right and left atrio-ventricular valves prevent blood from flowing backwards into atria. When the ventricle is full,the valve prevent backwards flow of blood.

6 0
3 years ago
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