Why do living things use enzymes instead of heat as a source of activation enegry

Answers

Answer 1

Answer: Generating heat in order to start a reaction uses energy to begin with. Enzymes however reduce the activation energy and can only function (usually) within a narrow temperature range, using less energy. Enzymes are used because they are more efficient.

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Why is it that species cannot occupy the same niche in the same habitat at the same time?

Answers

Because the species are territorial, no two species can be in the same niche at any given time

Answer:

Two species occupying the same niche will be competing for the same food resource. Since the resource is limited, the stronger species will have more access to the food resource and will drive the other species to exclusion from that niche.

Explanation:

edge response answer ^

What part of a wind turbine provides motion to convert into electricity? A.
generator

B.
blades

C.
tower

D.
rotor

Answers

The part of the wind turbine that converts motion or mechanical energy into electricity is the generator. The reverse action of converting electricity to mechanical energy is called the motor. The blades provide the mechanical energy, on the other hand.

The answer is the blades.

If a driver who is under the age of 21 is stopped by a law enforcement officer and has a blood alcohol level of .02 or greater, driving privilege for the driver will be suspended forthree months
six months
nine months
one year

Answers

The answer is 6 month

Final answer:

Typically, if a driver under 21 has a blood alcohol level of .02 or higher, their driving privileges are suspended for one year, although this can vary depending on the location and the presence of other infractions.

Explanation:

The consequences for driving under the influence vary from location to location and can change depending on mitigating factors. However, generally speaking, if a driver under the age of 21 is stopped by law enforcement and found to have a blood alcohol level of .02 or greater, the driving privileges are usually automatically suspended for one year. This suspension period can be longer if the driver has previous infractions or if there were injuries or property damage as a result of impaired driving.

Learn more about DUI consequences here:

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Sequence of oxygen, carbon dioxide and blood flow?

Answers

Ok when we inhale we are letting oxygen inside of us, that oxygen that we inhale helps our blood move around our bodies. When we breath out taking out all the old air thats called carbon dioxide and it is very dangerous because it can make us stop breathing if we dont find new oxygen fast. Please if you need more info just private message me.

The word which means to cut into two parts is _____. dichotomy morphology nomenclature

Answers

Dichotomy. The word dichotomy means to split or divide into two parts. In biology, it is commonly used a as tool in helping people identify things. For example, in the question: does it have a nucleus? It divides species into prokaryotes and eukaryotes. The presence of nucleus is the dichotomous key.

i think its dichotomy i hope its write because im in six grade and i dont know this

The human body cells have ---- chromosomes.A. 40, 20 pairs
B. 46, 23 pairs
C. 90, 45 pairs
D. 140, 70 pairs

Answers

The correct answer is B. 46, 23 pairs.

I hope this helped!

B.)46,23 Pairs

Each cell in the human body has 23 pairs of of chromosomes for a total of 46. This means that 22 of those pairs which are called auto - some's are the same in appearance in both males and females the 23 chromosome in both males and females are different.

I really hope that my answer helps you out. Have a nice day.

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