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Irina-Kira [14]
3 years ago
10

The lock and key mechanism refers to

Biology
2 answers:
dimaraw [331]3 years ago
6 0

Answer:

The mechanism of enzyme action.

Explanation:

The lock and key mechanism refer to the mechanism of enzyme action. The enzyme is a bio catalyst which enhance the biochemical reactions without changing itself. In the lock and key mechanism, a specific substrate will attach to the active site of the enzyme to form an enzyme-substrate complex. It's like a specific key fits with the lock. The active site is the portion of the enzyme, where it gets attached to the substrate. Then the substrate becomes the product and detaches from the enzyme. Now the enzyme becomes free and another specific substrate will attach to carry on the enzyme action.

LUCKY_DIMON [66]3 years ago
5 0
The mechanism of enzymatic action within a single substance
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__________ are intestinal parasites that can live up to 20 years and grow up to 50 feet in length.
Inessa05 [86]

Answer:

Tapeworm

Explanation:

Tapeworm are known to be a parasite by taking food or nutrients from the hosts by depreving the hosts of nutrients.

they can survive within the guts of animals, including humans.

Tapeworm eggs get into the human hosts from animals through food, especially undercooked meat and contaminated water

4 0
3 years ago
Read 2 more answers
10 points
koban [17]

Answer:

I think it's the immune and adaptive systems

Explanation:

Because BOTH link a d work together to defend against germs and harmful substances.

3 0
3 years ago
3. How is carbon added to the atmosphere?
vova2212 [387]

Answer:

Explanation:

Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement

7 0
3 years ago
Which would be an adaptation in a rain forest, but not in a desert?
yanalaym [24]

<u>ANSWER:</u>

The correct option is C: Skin that blends with green plants. Most animals in rain forests are green so that they can camouflage and appear like plants.

<u>EXPLANATION:</u>

  • Adaptation is the way in which animals survive in different climatic conditions and different regions. In rain forests, to protect themselves and to find food, most animals are green in colour.
  • This prevents the animals from being spotted easily and therefore they are protected from hunters and other animals that eat them. This way, the animals can also find their prey and catch it easily.  

4 0
3 years ago
The cytoplasmic extensions that, together with the cell body, provide the main receptive surfaces for neurons are the:
BartSMP [9]
I’m pretty sure it’s dendrites
:)
4 0
3 years ago
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