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gizmo_the_mogwai [7]
3 years ago
7

I NEED HELP ASAP !!

Biology
1 answer:
Fiesta28 [93]3 years ago
4 0

Answer:

(A). Energy is lost when machines don't work right.

Explanation:

The false statement from the choices is that energy is lost when machines do not work right.

The law of conservation of energy states that "energy can neither be created nor destroyed , they can only be converted from one form to another. "

  • Option B is clearly covered by the statement of the law. All the energy of the universe is already created.
  • Energy cannot be destroyed tallies with the Option C.
  • Energy is transformed from one form to another validates the fourth choice. We can covert from thermal to mechanical energy and vice versa.

The only odd choice is that energy is lost when a machine doesn't work right.

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Which form of succession replaces<br> an<br> existing system after a calamity?
lina2011 [118]

Answer:

Secondary succession

Explanation:

Ecological succession is the term used to describe any series of change in the composition of an ecosystem over a particular period of time. Ecological succession is made up of two types viz: primary succession and secondary succession.

Primary succession involves the formation of a brand new ecosystem by the colonization of a barren area of land e.g bare rock, where no life existed. Secondary succession, on the other hand, is the recolonization of an area by a new set of organisms because the previously existing organisms have been wiped out by certain disasters e.g fire outbreak, hurricanes etc. In secondary succession, there is soil, which makes it possible for new organisms to sprout quickly after the calamity.

Example of secondary succession is when a fire outbreak burns the organisms in a community, allowing the root of grasses to sprout after.

5 0
3 years ago
Help if i fail i will not pass
Vinil7 [7]

Answer:

3

Explanation:

I hope this is correct and have a great day

5 0
3 years ago
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The normal shape of an enzyme is as shown in structure A. If the enzyme's shape changes to that shown in structure B, what are t
Varvara68 [4.7K]

Answer:

There is no image showing the shape of an enzyme, however, the question can still be answered based on basic understanding. The answers are;

- Less binding of substrate

- won't follow the lock-and-key pattern of enzyme binding

Explanation:

An enzyme is a biological catalyst that regulates the rate of chemical reactions in living systems. Enzymes are proteinous in nature and every protein is made up of an amino acid sequence. The amino acid sequence forms a three-dimensional shape that determines the functionality of the enzyme.

Enzymes catalyze reactions by binding to their substrates in a lock and key pattern. This makes enzymes substrate-specific. If the enzyme's normal shape changes, the following will occur:

- Less binding of substrate

- won't follow the lock-and-key pattern of enzyme binding.

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