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Nataliya [291]
3 years ago
9

What cell is has Special vesicles containing enzymes

Biology
2 answers:
Svetlanka [38]3 years ago
5 0
There is no special cell enzymes are contained inside all cells to make reactions happen and also use amino acids  to make enzymes. also enzymes connect with substrates to make reactions occur.
Mkey [24]3 years ago
4 0
This special vesicles are called Lysosomes. Animal cells have them.
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The causative agent for malaria is a type of? a. rickettsial agent. b. protozoa. c. bacterium. d. prion. e. virus.
irinina [24]

b. protozoa

One of the four species of protozoan in the genus Plasmodium is responsible for the acute or subacute infectious disease known as malaria.

<h3>A virus or a bacteria causes malaria?</h3>
  • A virus or bacteria cannot cause malaria.
  • Plasmodium, a parasite that often spreads through infected mosquitoes, is what causes malaria.
  • A mosquito consumes Plasmodia that are present in blood when it feeds on an infected human.
<h3>How do protozoa cause malaria?</h3>
  • The female anopheles mosquito bite is the primary method of transmission of malaria, a protozoan infection of the red blood cells.
  • The Plasmodium genus of protozoa is what causes malaria.
  • Four different types of malaria parasites can infect people: Plasmodium malariae, vivax, ovale, and falciparum

learn more about malaria here

brainly.com/question/2685790

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3 0
2 years ago
This is a type of protein found in the cell membrane, which regulates the coming and going of substances into or out of the cell
natita [175]

Answer:

Gated ion-channels

Explanation:

These ion channels are protein molecules that act as a passageway which span across the cell membrane allowing the movement of ions from one side of the membrane to the other. They possess the ability to open and close in response to either chemical or mechanical signals.They possess a fluidic pore, which becomes available to ions after a conformational change in the protein structure has been activated causing the ion channel to open.  Based on the stimulus to which they respond, ion channels are divided into three groups: voltage-gated, ligand-gated and mechano-sensitive ion channels. Channels responding to electrical (voltage-dependent ion channels), mechanical, or chemical (ligand-gated ion channels) stimuli open and allow rapid ion movement into or out of the cell, and this movement creates an electrical signals.

7 0
3 years ago
Divide. Write your answer in simplest form. 8÷4/3​
telo118 [61]

Answer:

.66666666 or 1/3

Explanation:

3 0
3 years ago
Read 2 more answers
A client with suspected human immunodeficiency virus (HIV) has had two positive enzyme-linked immunosorbent assay (ELISA) tests.
victus00 [196]

Answer:

Western blot should be performed

Explanation:

Generally ELISA test is sensitive to elevated antibodies levels in the blood. Because HIV infection is characterise with increases in antibodies levels(HIV-antibodies levels)of the body, it is usually the first screening test for HIV,however it  is also sensitive to elevated antibody   from  any other infection apart from HIV. Therefore for confirmation, the procedure is to run a second ELISA test, to determine if the antibody rise was due to HIV or not. If the second test turns positive, then Western blot can be applied.

The Western blot through  secondary and primary antibodies binding , separates the  investigating antibodies, and  identity the specif HIV antibodies present  to give a positive HIV-antibody,  confirming ELISA positive test.

Thus for confirmation of HIV specific antibodies  of the blood; ELISA test followed by Western blot is  ideal

6 0
3 years ago
Imagine that you are observing an enzyme-catalyzed reaction in the lab. Every time you add more enzyme, the reaction rate increa
Aleks04 [339]

Answer:

<u>All the substrates are bound to the enzyme</u>, thats why the reaction rate stopped increasing.

Explanation:

Actually an enzyme works by binding a substrate molecule to its active site, producing a product  , resulting in an increase in the rate of reaction.

            Enzyme + substrate = Enzyme + product

Whenever enzymes are added , reaction rate increases as the substrates are being bound to the enzyme's active sites but then occurs a stage where further addition of enzyme cannot increase the reaction rate because all the substrates have bound to the enzyme and <u>there are no substrates left.</u> Hence the reaction rate stopped increasing.

7 0
3 years ago
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