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pishuonlain [190]
3 years ago
6

Can someone please answer these 4 questions. I’m begging you

Biology
1 answer:
Natasha_Volkova [10]3 years ago
3 0
Hormones are any member of a class of signaling molecules in multicellular organisms, the job of hormones in a body is to be messengers and controlling and corddinating things in the body peptide hormones is the molecular structure of hormones . Amino acids is what they are composed of. The ovaries and the testes are organs that produce hormones
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Why do organisms found at low temperature have membrane proteins with a higher percentage of alpha helices compare to beta sheet
Art [367]

Answer:

Protein is the important biomolecule that acts as building block of the protein. Proteins are inserted into the biological membrane and consists of transmembrane and integral membrane proteins.

The alpha helices and beta sheets are present in the bio membrane. The organism living at low temperature has high alpha helices and low beta sheets because alpha helices has high mobility, less rigidity and makes enzyme active at low temperature.

5 0
4 years ago
Which virus is correctly matched with its structure?
yawa3891 [41]
Pollo virus is the virus that matches its structure..The polio virus has a polyhedral shape. The polio virus is considered as the agent that causes poliomyelitis. It is basically a human enterovirus and falls in the family of Picornaviridae

I hope this helps:)
7 0
3 years ago
Some beetles that visit flowers to harvest nectar get into the flower by chewing through the sides of the petals. As a result, t
aalyn [17]

Answer:

No

Explanation:

The interaction between two individuals in which both individuals gets benefited from each other is known as mutualism. So in mutualism both individual helps each other for their survival. For example in lichens, fungi provide nutrients to algae and algae provide food to the fungal partner.

Here beetles are benefitted because they are getting food by chewing the petals and harvesting nectar but the trees which produce these flowers are not getting benefits as beetles are not dusted with pollens so their genes are not getting spread by beetles to other flowers. Therefore this interaction is not a mutualistic interaction.

5 0
4 years ago
Include captive breeding, laws and treaties, and habitat preservation
const2013 [10]
These activities include habitat destruction, poaching, pollution, and the introduction of exotic species. Three successful approaches to protecting biodiversity are captive breeding, laws and treaties, and habitat preservation. The number of different species in an area.
6 0
3 years ago
______is an example of organisms contributing to air pollution.
o-na [289]
A. the mold and mildew
5 0
3 years ago
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