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lakkis [162]
3 years ago
13

Enzymes are biological catalysts. Explain what they do in living systems

Biology
1 answer:
Marizza181 [45]3 years ago
7 0

An enzyme lowers the activation energy of a reaction so it can take place within living organism, so an enzyme is a biological catalyst.

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Please answer!! i need help so bad. please!!!
padilas [110]

The purple kernel is dominant over the yellow kernel and hence it has the genotype of homozygous dominant PP.

<h3>What is Genotype?</h3>

Genotype may be defined as the ultimate combination of alleles of genes that are selected for specific studies.

If it has some offspring with purple kernels and some with yellow, the genotypes of the two parents are heterozygous dominant for the purple kernel, i.e. Pp and Pp.

And when these two parents are crossed with each other, the genotypes are PP, Pp, Pp, and pp. While the genotypic ratio is 1:2:1 (PP: Pp: pp), but the phenotypic ratio is 3:1 (Purple: Yellow).

Therefore, it is well described above.

To learn more about Kernel color in Corn, refer to the link:

brainly.com/question/1638810

#SPJ1

4 0
3 years ago
How would scientists determine that punctuated equilibrium occurred by examining the fossil record?
Contact [7]

The scientist can tell that punctured equilibrium has occurred if they have examined the fossil fuels and can see that one organism rapidly evolved different characteristics.

Answer: Option D

<u>Explanation:</u>

Punctured Equilibrium is an evolutionary theory which proposes that the species appearing in the fossil's record will show little evolutionary changes. In punctuated equilibrium, change occurs gradually, First very little change can be seen which later results in the occurrence of huge changes.

Such huge changes can be clearly seen by examining the fossil records.  Thus if there is any evolutionary changes seen in the fossil's record, the scientist can conclude the occurrence of punctuated equilibrium.

4 0
3 years ago
Select the correct statement regarding nerve cells.
borishaifa [10]

Answer:

All the statement are correct

Explanation:

Neurons are cells that are part of the nervous system. Neurons are also the cells used for receiving information and also used in transmitting it through electrical impulses allover the large communication networks, throughout the nervous system.

The ability to understand your environment like seeing, hearing, smelling, feeling, liking and the ability to remember, with the effort of senses and the characteristics of neural cells to make us connect quickly and effectively, we can receive information from outside world .

7 0
4 years ago
ECG &amp; HEART SOUNDS1.The P wave and the QRS complex represent depolarization of the atrial and ventricular muscle, respective
Alex_Xolod [135]

Answer:

2.ln the analysis you calculate heart rate average over 15 second and instaneous

3 0
3 years ago
A client with localized redness and swelling due to a bee sting reports intense local pain, a burning sensation, and itching. wh
Umnica [9.8K]
The correct answer is "applying cold compresses to the affected area".

Most of the people stang by a bee or wasp experience a localized reaction and only 3% of the people will exhibit an allergic reaction. The normal localized reaction includes reddening and swelling of the skin, along with a local itching and pain.

Although these reactions will probably start disappearing within a few hours, there are several things that the person could do to alleviate the pain and discomfort. The most important thing to do is to apply ice or cold compresses to the affected area, to reduce the body's inflammatory response. 
3 0
3 years ago
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