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Feliz [49]
3 years ago
7

100 points!

Biology
1 answer:
garri49 [273]3 years ago
6 0

Answer No 2:

The correct option is C. <u>Substitution of 3rd N-base to go from UCU TO UUU </u>has the potential to cause more damage.

Answer No 3:

UCU codes for the amino acid serine whereas the code UUU is for phenylalanine. A change in this base has caused the entire amino acid to change which will result in the formation of the wrong protein.

Whereas the changes in the base sequence of the options A and B do not change the amino aids being made. Hence, the changes in options A ans B will be less damaging then the option C.

Answer 4:

In the field of genetics, a stop codon can be described as a signal which stops the translation. It is a three nucleotide sequence which is recognized as a terminator.

If stop codon is not present at the right place, then the process of translation will not terminate at the right place and wrong proteins will be made.

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How many new cells are produced from each parent cell during meiosis?
Dmitriy789 [7]
The answer is 4 new (daughter) cells.

In meiosis, it produces 4 daughter cells which are genetically different from both the parent and the other daughter cells.
the parent cell first duplicates its chromosomes, just like mitosis (the kind of division that leads to 2 genetically identical daughter cells) . Then it divides, leading to 2 genetically identical daughter cells. But this does not end here. The 2 daughter cells further divides into total of 4 daughter cells, but without duplicating the DNA. That's why, the daughter cells has different DNA materials.
These daughter cells has half of the parents chromosomes, and we call them haploid.

Haploid cells are usually common in gametes. When an organism reproduces sexually, 2 gametes fuse together and leads to diversity.
6 0
3 years ago
The table lists some human activities. A student claimed that out of these activities, sleeping is the only activity in which en
anastassius [24]

Answer:

No

Explanation:

In every action you make you use energy, when you sleep you still have to breathe and regulate tempetaure. If you stopped giving energy to your cells as you sleep you not be able to breathe.

7 0
3 years ago
In 1869, dmitri mendeleev was trying to arrange the 65 known elements in a logical way. He arrived at the solution when he saw t
Anna [14]

The correct answer is: creative thinking.

Creative thinking means being able to consider and come up with something new. Creative thinking is a skill of an individual to perceive patterns that are not obvious and to solve problems in a new different way.


8 0
3 years ago
Read 2 more answers
Let's bring what you have learned about the carbon cyde, photosynthesis, and cellular respiration and show how they are connecte
liberstina [14]

Answer:

Humans are one of the important contributor for CO2 (Carbon Dioxide) Production. In our body, carbon dioxide is formed intracellularly as a byproduct of metabolism. Carbon Dioxide is transported in the bloodstream to the lungs where it is ultimately removed from the body through exhalation. This process is called Respiration generally Cellular Respiration.

And in Photosynthesis, the exhaled CO2 from human body ( or any other living organisms) are being used as the reactant (with the H2O) then produces Glucose (energy source of plants) and Oxygen (living organisms need to survive). This process takes place in chloroplasts, which contain the chlorophyll.

To sum up, carbon cycle is the process in which carbon travels from the atmosphere into organisms and the Earth and then back into the atmosphere. Plants take carbon dioxide from the air and use it to make food. Animals then eat the food and carbon is stored in their bodies or released as CO2 through respiration.

Therefore, without living organisms there are no carbon dioxide, oxygen and other gases will be produce same as without non-living organisms like gases, the sun, water and etc. human race and other organisms can't survive. And there will be no ecosystem.

7 0
3 years ago
What is aquaculture?a. Farm production of fish or seafood by raising animals in tanks, ponds, or ocean net pens.b. A fishery tha
joja [24]

Answer: Option A - Farm production of fish or seafood by raising animals in tanks, ponds, or ocean net pens.

Explanation:

Aquaculture is the cultivation of aquatic produce such as aquatic plants, fish, and other aquatic animals.

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