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avanturin [10]
3 years ago
13

Why did the reaction rate for enzyme j drop when the temperature exceeded 50 c?

Biology
1 answer:
steposvetlana [31]3 years ago
8 0
The reaction rate dropped because THE OPTIMUM TEMPERATURE OF THE ENZYME HAS BEEN EXCEEDED.
Each enzyme has the specific temperature and other conditions at which they act best, this is called their optimum condition. When the condition in a reacting system is below or above the optimum conditions of an enzyme, the activity of the enzyme will be reduced.<span />
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A(n) ________ is a hard outside covering that is used for protection and prevents the inner body area from drying out.
Artist 52 [7]

The cuticle is the most exterior layer of arthropods' tegument, and its principal function is to protect the body and avoid dehydration. Option C is correct. Cuticle.

<h3>What is the cuticle?</h3>

The cuticle is the most exterior layer of arthropods' tegument. It is secreted by the epidermis and develops right over it.

It is composed of two main layers,

  • epicuticle ⇒ outermost layer
  • procuticle ⇒ inner layer

The cuticle is mainly made of chitin, and its function is to protect the organism's body and avoid dehydration.

Because it avoids dehydration it is believed that arthropods had such an evolutive and adaptative successful in their transition from water to the land.

The cuticle also provides support to the body and a muscle attachment surface.

The correct option is C. Cuticle

A _<u>Cuticle</u>_ is a hard outside covering that is used for protection and prevents the inner body area from drying out.

You can learn more about cuticle at

brainly.com/question/3997730

#SPJ1  

6 0
1 year ago
In what way does the water cycle demonstrate the features of a cycle
anyanavicka [17]

Answer:

Step 1- Evaporation

Step 2- Condensation

Step 3- Sublimation

Step 4- Precipitation

Step 5- Transpiration

Step 6- Runoff

Step 7- Infiltration

Explanation:

6 0
3 years ago
40. How is the biodiversity of an ecosystem measured?
Slav-nsk [51]

Answer:

i hope this helps

Explanation:

3 0
3 years ago
Read 2 more answers
1. Describe the structure and function of each of the three types of RNA.
Ket [755]

Answer:

1.

mRNA - Messenger RNA: Encodes amino acid sequence of a polypeptide.

tRNA - Transfer RNA: Brings amino acids to ribosomes during translation.

rRNA - Ribosomal RNA: With ribosomal proteins, makes up the ribosomes, the organelles that translate the mRNA.

2.

Transcription is the process by which DNA is copied (transcribed) to mRNA, which carries the information needed for protein synthesis. Transcription takes place in two broad steps. First, pre-messenger RNA is formed, with the involvement of RNA polymerase enzymes.

3.

During translation, which is the second major step in gene expression, the mRNA is "read" according to the genetic code, which relates the DNA sequence to the amino acid sequence in proteins. Each group of three bases in mRNA constitutes a codon, and each codon specifies a particular amino acid (hence, it is a triplet code). The mRNA sequence is thus used as a template to assemble—in order—the chain of amino acids that form a protein.

Explanation:

6 0
3 years ago
NEED HELP.
gayaneshka [121]

Answer:

Clear cuts are areas from which every tree has been cut down and removed, in a shelterwood system the old stand is removed in a series of cuttings to promote the establishment of an essentially even-aged new stand under the shelter of the old one, and uncut forests are just your average wild woods, left alone and was never bothered with.

for a simpler answer: clear cuts are clear areas, shelter wood are slight cuts, removing some trees for an environment such as parks and backyards, and uncut forests are wild forests that has no trees cut down.

7 0
2 years ago
Read 2 more answers
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