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Ahat [919]
3 years ago
15

Why do living cells need water?

Biology
1 answer:
drek231 [11]3 years ago
5 0
Water is an essential to constituent of the protoplasm of living cells because it is directly involved in countless biochemical reactions like photosynthesis and respiration. Without it cells couldn’t move waste and by products, take in nutrients, perform intracellular transportation, functioning and signaling.
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Which tip can help someone lose weight in a healthy way?
hram777 [196]

Answer:

Chew food well

Explanation:

Skipping food is unhealthy

Eating to much is unhealthy

Snack whenever your hungry is unhealthy

7 0
2 years ago
Read 2 more answers
What pigment is derived from vitamin a
g100num [7]

Retinol undergoes oxidation to produce retinal, which when combined with the protein opsin results in the formation of the light-sensitive pigment rhodopsin. You can see in black and white because rhodopsin is the pigment that gives you night vision.

<h3>What pigment is created using vitamin A?</h3>

Rhodopsin, also known as visual purple or the light-sensitive pigment found inside rod and cone cells of the retina, requires the retina as a structural component in order to function.

Yellow, orange, and red fruits and vegetables are colored by a pigment called carotenoids. Some carotenoids can be transformed into vitamin A by your body. The two sources of vitamin A are as follows: Fish, liver, dairy products, eggs, and organ meats are all sources of preformed vitamin A.

To know more about pigments visit:

brainly.com/question/26722048

#SPJ1

3 0
1 year ago
Explain how the Naked DNA exploits vector's DNA ability to make a vaccine.
mixer [17]

Answer:

DNA vaccines consist of DNA vectors or plasmids (small double-stranded DNA rings originally derived from bacteria, but unable to cause infection) into which the genes encoding one or more immunizing proteins of the infectious agent have been inserted causing the disease to be prevented.

Explanation:

Vectors are the functional unit of naked DNA vaccines. Genes that encode the proteins of interest and are of bacterial origin are inserted into these vectors. Bacterial plasmids are circular DNA molecules that self-replicate extrachromosomally in bacteria. The genes encoded in these plasmids are under the control of promoters, almost always of viral origin. When a plasmid is introduced into the cell it translocates to the nucleus, where transcription of the transgene begins; the transcripts are then taken to the cytoplasm and translated there. The newly synthesized proteins are degraded in the proteasome to 8-10 amino acid peptides, which are transported to the endoplasmic reticulum. Peptides of high affinity with their respective MHC I molecule stabilize and enter the secretory pathway, thus reaching the cell surface, where they are coupled with the T-lymphocyte receptor (TcR) present on the surface of T lymphocytes cytotoxic drugs (CD8 +) to induce their activation.

4 0
2 years ago
An employee goes to a co-worker's locker while the co-worker is away, he take his car keys, and later steals his car. What is th
Solnce55 [7]
The location where a crime occur is called a crime scene. There are two types of crime scene, primary and secondary crime scenes. The primary crime scene refers to the place where the crime actually takes place. The secondary crime scene is to some extent related to the crime but it is not the original place of occurrence of the crime. 
In the question given above, the primary crime scene is the lockers' room, where the thief took the car's key from. Information about the identity of the thief, such as finger prints can be obtained at the primary crime scene. 
8 0
3 years ago
Read 2 more answers
Climates are defined by temperature and precipitation. True or false?
Anna [14]
True because climate and temperature are all apart of weather which is what climate is its the weather of the are

7 0
3 years ago
Read 2 more answers
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