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fgiga [73]
2 years ago
13

Enzymes only work with specific substrates because substrates:

Biology
1 answer:
Nitella [24]2 years ago
8 0

Answer:

each substrate has a unique 3-dimensional shape.

Explanation:

Enzymes are large and complex globular proteins that have one or more polypeptide chains. The part of the enzyme responsible for its action is the active center (site). The shape of the active center is very precisely adjusted to the substrate, similar to the key to the lock.

Due to the presence of the active site, the enzymes show a specificity property, which means that each enzyme acts on only one compound or group of similar compounds.

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Explain why cnidarians are considered more "advanced" than poriferans.
Paladinen [302]

Answer:

Cnidarians represent a more complex level of organization than Porifera. They possess outer and inner tissue layers that sandwich a noncellular mesoglea. Cnidarians possess a well-formed digestive system and carry out extracellular digestion.

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3 0
3 years ago
How many new volumes would each new cell contain whenever a cell splits?
Elenna [48]
The specific volume will be different for various kinds of cells. The safe answer would be that the new cell will pretty much have the same volume as the one that it divided from. This is true for most eukaryotic cells unless other factors like epigenetics or mutations come into place.

One example of moments a cell would increase in volume is during hypertrophy. This simply means that the cell is increasing in size (compared to: hyperplasia -- which is an increase in number of the cells). Hypertrophy is definitely an increase in volume of the cell but this doesn't necessarily translate to cell division (i.e. just because the cell is big now, doesn't mean it will still be big when it divides).

Another moment of increasing volume of the cell and now also related to cell division would be during the two stages in the cell cycle (i.e., G1 and G2 phases). This is the growth phase of the cell preparing to divide. However when mitosis or division happens, the cells will normally end with the same volume as when it started.

This are safe generalizations referring to the human cells. It would help if a more specific kind of cell was given.
4 0
3 years ago
Read 2 more answers
Do the cells beneath the formative phase differ from each other
Artist 52 [7]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.

<span>due to their structure and function they are differ from each other</span>
8 0
3 years ago
What type of cell organelle is only found in animal cells? (1 point)
Talja [164]

Answer:

lysosomes

Explanation:

Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.

5 0
3 years ago
write one clear sentence using all the words in the set that demonstrates your understanding of their relationship here are the
SIZIF [17.4K]

Answer:

Microtubules have shapes like a spindle and are arranged to form centrosome and a cluster of such microtubules form centriole.

Explanation:

Microtubules are seen in eukaryotic cells to give shape and structure to the cells and they form part of the cytoskeleton. They are known to grow long and are dynamic. Centrosomes are known to be main microtubule that are found in animal cells. They are organelles that are made from the arrangement of clusters of microtubules. The centrioles are organized microtubules that actually help to serve as skeletal system of the cell. These centrioles  help to determine the locations of the nucleus.

6 0
2 years ago
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