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sesenic [268]
3 years ago
14

Can someone help me pls.... Describe the chemical structure of a carbohydrate?

Biology
1 answer:
Dafna1 [17]3 years ago
7 0

Answer:

Carbohydrates consist of the elements carbon (C), hydrogen (H) and oxygen (O) with a ratio of hydrogen twice that of carbon and oxygen. Carbohydrates include sugars, starches, cellulose and many other compounds found in living organisms. In their basic form, carbohydrates are simple sugars or monosaccharides.

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A human lost at sea without fresh drinking water is effectively lost in an osmotic desert. why would drinking salt water be harm
Grace [21]
Drinking salt water is harmful because it messes up the salt concentration in each of your red blood cells. It over loads the salt in it and causes the cell to swell up and burst due to it trying to let in more water to balance the salt concentration out. 
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3 years ago
What becomes "deficient" when someone is infected with hiv?
swat32
When someone is HIV positive it is their immune system is deficient this can lead to AIDS or other serious infections
6 0
3 years ago
A certain eukaryotic organism has multiple, distinct genes with highly similar sequences that are expressed at different times i
vlabodo [156]

These genes could have arisen by gene duplication.

<h3>What is gene duplication?</h3>

Gene duplication is the process of copying a section of DNA that codes for a gene. A retro transposition event or a recombination mistake are both potential causes of gene duplication. As a result, the duplicate gene coding may experience a significant number of modifications throughout time. This might prevent the gene from functioning or, in other situations, give the creature a benefit.

Gene duplication is a phenomenon that can happen through a variety of ways:

  • Ectopic Recombination: Uneven crossing-over between misaligned homologous chromosomes during meiosis might result in duplications. A duplication at the exchange site and a reciprocal deletion are the results of this recombination.
  • Replication Slippage: Short genomic sequences can be duplicated as a result of the replication error known as replication slippage. DNA polymerase starts copying the DNA during replication, but eventually the polymerase separates from the DNA, causing replication to stall. The replicating strand is incorrectly aligned when the polymerase reattaches to the DNA strand, which accidentally results in several copies of the same portion.
  • Aneuploidy: When a single chromosome's nondisjunction causes an abnormally high number of chromosomes, this condition is known as aneuploidy. Aneuploidy is frequently damaging and frequently causes spontaneous miscarriages in mammals. Some aneuploid people can survive. For instance, human trisomy 21 causes Down syndrome but is not lethal.

Learn more about gene duplication here:

brainly.com/question/14014915

#SPJ4

3 0
2 years ago
Examine the diagram of a cell.<br> Which accurately labels the Golgi body?<br> W<br> w<br> YN
yaroslaw [1]

Answer:

it is w

Explanation:

i have done a similar question

8 0
3 years ago
Read 2 more answers
Organisms in an ecosystem are interdependent. do you think humans have interdependent relationships with other organisms? explai
jeka94

Humans have an interdependent relationship with other organisms just like organisms in an ecosystem are interdependent.

<h3>How are organisms interdependent?</h3>

To be interdependent means that the involved parties are mutually dependent i.e. they are reliant on one another.

Living organisms in their natural habitat are dependent on one another for food, space, mate and other resources.

However, humans are also interdependent on other organisms for resources like food, raw materials. For example, we eat plant and flesh derived from other organisms.

Learn more about interdependence at: brainly.com/question/1530206

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6 0
2 years ago
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