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salantis [7]
3 years ago
13

How do enzymes affect chemical reactions in living organisms

Biology
1 answer:
Arisa [49]3 years ago
6 0

Answer:

Enzymes are catalysts for chemical reactions in living things. Enzymes, like other catalysts, lower the activation energy and increase the rate of chemical reac- tions. ... This means that enzymes do not change the direction of a reaction— they just change the amount of time needed for equilibrium to be reached.

Explanation:

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A model of a portion of cellular respiration is shown here. Which of these statements is supported by the model shown here?
Igoryamba

Answer:

Explanation:

no le entiendo :'v

4 0
3 years ago
What structure is found in prokaryotic cells but not eukaryotic cells?
Romashka [77]

What structure is found in prokaryotic cells but not eukaryotic cells?

a. a single, circular DNA chromosome found in the cytoplasm

because :

Prokaryotic cells may also contain extrachromosomal DNA, or DNA that is not part of the chromosome. This extrachromosomal DNA is found in plasmids, which are small, circular, double-stranded DNA molecules.

8 0
2 years ago
A __________ is a large area of flat or gently rolling land.
topjm [15]

Answer:

plains Is the awnser, hope this helps

7 0
3 years ago
Use this portion of a dichotomous key for tree identification to answer the question.
Charra [1.4K]

Answer:

They are nonlobed, simple leaves and are attached oppositely on the branch.

Explanation:

A dichotomous key is a tool you use in biology to know the identity of things in nature such as trees,flowers, fish or even rocks. This key has choices that follow each other in a progressive manner, where one choice led to the other until you identify the item.In this case, to identify Dogwood, you follow the below steps;

1b. Broad leaf = Step 2

2b. Simple leaf = Step 7

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9b. Leaves not heart shaped = Dogwood

The key is (1b,2b,7a,8b,9b)

8 0
3 years ago
Monozygotic twins are __________, while dizygotic twins are __________. the result of mitosis; the result of meiosis fraternal;
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I think the correct answer would be the last option. Monozygotic twins are identical, while dizygotic twins are fraternal. Identical twins involves developing from one zygote where it splits, forming two embryos so that the twins would have more or less the same characteristics. This type of twins can share the same amniotic sac depending on the time the fertilized egg is divided. On the other hand, fraternal twins developed from two eggs wherein they are being fertilized by two different sperm cells resulting to twins which has different characteristics. For this type, the two fertilized eggs would develop separate amniotic sacs.
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3 years ago
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