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Rom4ik [11]
3 years ago
5

Rapid consumption of multiple drinks or jello shots puts a high concentration of alcohol in the body in a short time. why is thi

s dangerous
Biology
1 answer:
kupik [55]3 years ago
7 0
Rapid consumption of alcohol in a very short period of time is very dangerous; due to delayed absorption the drinker will not know how really drunk he is and intoxication from that kind of drinking can last for days and even weeks.
Besides, such drinking pattern may make the whole body system to collapse causing death. Such drinking may also lead to alcohol induced psychiatric disorder.
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each upward movement of the basilar membrane causes the stereocilia of the inner hair cells to bend, opening __________ gates.
Bingel [31]
Each upward movement of the basilar membrane causes the stereocilia of the inner hair cells to bend, opening K+ gates.
5 0
2 years ago
There are twenty amino acids in living organisms. Ten of these are referred to as essential amino acids. Why are they called ess
Dahasolnce [82]

Answer:

B

Explanation:

3 0
3 years ago
Read 2 more answers
Which point of view concerning growth and development does this definition describe? "Behavior changes as a result of observing
Alex Ar [27]
<span>B. Social learning theory

Behaviorism is a popular view in psychology concerning behavior and responses is said to be shaped by one's environment.
One component of behaviorism is social learning theory which suggests that </span>"behavior changes as a result of observing people in various <span> situations".</span>

There are other two views:
1. Classical conditioning
2. Operant conditioning
6 0
3 years ago
Select the correct answer.
Oduvanchick [21]
The answer is C.

The man’s genotype must be AB. The woman’s genotype can be either BB or BO as both correspond to a blood type (which is a phenotype) of B.

Each parent passes on one allele. The man can contribute A or B and the woman can contribute B or O.

The possible genotype combinations are therefore AB, AO, BB, and BO. These correspond to the phenotypes AB, A, B, and B.
4 0
3 years ago
DNA Polymerase helps copy a DNA molecule during the process of what?
PtichkaEL [24]
The DNA polymerases are enzymes that create DNA molecules by assembling nucleotides, the building blocks of DNA. These enzymes are essential to DNA replication and usually work in pairs to create two identical DNA strands from one original DNA molecule. During this process, DNA polymerase “reads” the existing DNA strands to create two new strands that match the existing ones.

Every time a cell divides, DNA polymerase is required to help duplicate the cell’s DNA, so that a copy of the original DNA molecule can be passed to each of the daughter cells. In this way, genetic information is transmitted from generation to generation.

Before replication can take place, an enzyme called helicase unwinds the DNA molecule from its tightly woven form. This opens up or “unzips” the double stranded DNA to give two single strands of DNA that can be used as templates for replication.

DNA polymerase adds new free nucleotides to the 3’ end of the newly-forming strand, elongating it in a 5’ to 3’ direction. However, DNA polymerase cannot begin the formation of this new chain on its own and can only add nucleotides to a pre-existing 3'-OH group. A primer is therefore needed, at which nucleotides can be added. Primers are usually composed of RNA and DNA bases and the first two bases are always RNA. These primers are made by another enzyme called primase.

Although the function of DNA polymerase is highly accurate, a mistake is made for about one in every billion base pairs copied. The DNA is therefore “proofread” by DNA polymerase after it has been copied so that misplaced base pairs can be corrected. This preserves the integrity of the original DNA strand that is passed onto the daughter cells.



A surface representation of human DNA polymerase β (Pol β), a central enzyme in the base excision repair (BER) pathway. Image Credit: niehs.nih.gov

Structure of DNA polymerase

The structure of DNA polymerase is highly conserved, meaning their catalytic subunits vary very little from one species to another, irrespective of how their domains are structured. This highly conserved structure usually indicates that the cellular functions they perform are crucial and irreplaceable and therefore require rigid maintenance to ensure their evolutionary advantage.

7 0
3 years ago
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