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HACTEHA [7]
3 years ago
11

What is the difference between food chains and food webs

Biology
1 answer:
Serggg [28]3 years ago
4 0
A food web consists of many food chains. a food chain only connects one particular “path”
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How long is one cardiac cycl.e? what is produced during one cardiac cycle?
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One cardiac cycle is .8 seconds. A complete heartbeat is produced in one cardiac cycle. <span>The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood into circulation is called systole.</span>
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3 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.
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4 0
3 years ago
I need this pls. I´ll put brainliest
KonstantinChe [14]

Answer: 1 is Health is a state of complete physical, mental, and social well-being and not merely the absence of disease or infirmity.”

2 is   There are basically six components of health history,

Physical health. ...

Social health. ...

Environmental health. ...

Emotional health. ...

Spiritual health. ...

Intellectual/mental health.

3 is no that person is in good physical health but there eviromental health isn’t good.

4 is a change in a living body (as of a person or plant) that prevents it from functioning normally : sickness.

Explanation:

7 0
3 years ago
When glucose is present, enzyme IIAglc is __________ and LacY is __________. a. phosphorylated; inhibited b. not phosphorylated;
olga_2 [115]

Answer:

Option B, not phosphorylated; inhibited

Explanation:

Glucose 6 acts as a catobolite repressant . A catobolite repressant which is usually a carbon compound inhibits the operon transcription. In the presence of glucose -6, unphosphorylated enzyme IIAGlc  inhibits the transportation system and hence prevents the utilization of lactose. Glucose‐6‐phosphate and other non‐PTS carbon causes inducer exclusion thereby leading to dephosphorylation of enzyme IIAGl without getting transported.

Hence, option B is correct

5 0
3 years ago
This property of water regulates body temperatures from increasing or decreasing too much.
Aleonysh [2.5K]

Answer:bebop and the other

I

Explanation:

8 0
3 years ago
Read 2 more answers
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