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tino4ka555 [31]
3 years ago
5

Which chemical would be useful for finding the age of the earth

Biology
1 answer:
Grace [21]3 years ago
8 0

ANSWER:

The answer would be lead ores

~batmans wife

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How does an enveloped virus gain/obtain/get its envelope?
Arte-miy333 [17]

Answer:

The envelope come from the host cell membrane as the virus leaves the host cell

Explanation:

A virus is an organism that is incapable of replicating on its own without infecting a living host. A virus consists of a genetic material (DNA or RNA) , a protein coat called CAPSID, and sometimes some viruses possess an envelope, which is an outer covering or enclosure. Viruses that possess this envelope are referred to as ENVELOPED VIRUS.

The virus lacks the ability to produce any structure, hence, they gain this envelope made of phospholipid from the cell membrane of the host they infect. During the infection cycle of a virus, a process called budding enables a portion of the host's plasma membrane to cover or encapsulate the virion cells, hence, making them enveloped in the process.

8 0
3 years ago
The peptide portion of any protein without its prosthetic group is called ________. The peptide portion of any protein without i
Nikitich [7]

Answer:

Apoprotein

Explanation:

A peptide is a molecule formed as a result of the linking of amino acid molecules by a peptide bond. The peptide is the backbone of polypeptides and subsequently, protein molecules. Enzymes are proteinous molecules that serve as biological catalysts. The prosthetic group of a protein/enzyme is a metallic attachment to the protein, which plays roles that are vital to its functioning.

However, when the peptide portion of a protein molecule lack its prosthetic group, the protein is called an APOPROTEIN.

6 0
3 years ago
- a diagram of a food chain in the Everglades
nadya68 [22]
Model it literally says a plastic replica
4 0
2 years ago
Which of the following might you use to help you make observations?
SCORPION-xisa [38]

Answer:

Touching, Smelling.

Explanation:

Touching will be useful to detect stimuli like coldness and hotness.

Smelling on the other hand will help to make observations on smell and change in smell. These two are among the five senses that we use to make observations as we record what we see, hear, touch and feel, smell and taste.  

7 0
3 years ago
I need the answers please
Yuri [45]

Answer:

Open circulatory system:

Relies on the heart to keep blood flowing

Used in all vertebrates

Sorry thats all i know :)

5 0
3 years ago
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