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Savatey [412]
2 years ago
12

Enzymes are proteins that act as _____ for biological reactions.

Biology
2 answers:
galina1969 [7]2 years ago
7 0

The answer is catalysts. Catalysts speed up the rate of a <span>reaction</span> without<span>  </span>getting consumed in the process. Catalysts, in <span>this</span> case, enzymes act by reducing the activation energy or changing the reaction mechanism (such as foregoing some transition states). A popular enzyme is a <span>carbonic</span> anhydrase that <span>catalyzes</span> the formation of carbonic acid in the <span>blood</span> plasma (<span>from</span> carbon <span>dioxide</span> and water), a critical function in regulating blood pH.

garri49 [273]2 years ago
7 0
Enzymes are proteins that act as catalysts for biological reactions. 

Enzymes work specifically to speed up the rate of the chemical reactions that occur inside a cell. They are needed for vital life functions. They aid in digestion and metabolism, They are so important that if one enzyme is missing or defective, the effects would be devastating. 
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A Xw+m+Xwm female was mated to a XwmY male. Out of 1000 total F1 progeny there were 230 flies that were otherwise wild type with
deff fn [24]
In order to calculate the distance between two alleles/genes that are found in the same chromosome, we need to know how often crossing-over happened (recombination frequency). We know from the text that white eyes were linked to miniature wings and that wild type eyes were linked to wild type wings, so any phenotype that's contrary to these parent combinations are a result of crossing-over. We know then that 230 flies + 240 flies were a result of such recombination. To calculate the recombination frequency we only need to divide these flies (total of recombinant flies) by the total of flies in the offspring and turn it into percentage.
\frac{230+240}{1000}=0.47
0.47*100%=47%
47 map units is the distance between the genes <span>for eye color and wing length.</span>
7 0
2 years ago
Explain how the data from your experiments showed that cyanide was used to poison Jared, and that 2-deoxyglucose, arsenic and ol
Aliun [14]

The question is incomplete as the background of the case and symptoms of Jarod is not provided, however, the missing data required for the question is as follows:

Jared was investigating a drug cartel and ate a meal with one of the suspects. After the meal, he had trouble breathing and felt weak and dizzy. Jared may have been poisoned. He is being taken to the CIA hospital for treatment. You are a medical toxologist working for the CIA. It is your job to find out what poison was given to Jared and try to save his life. Patient: Jared Sondheim Age: 32 Occupation: CIA Agent Symptoms: Muscle Weakness Shortness of Breath Dizziness. Jared has arrived at the hospital! It is your job to find out what toxin was used to poison Jared. You can then give him the correct antidote to save Jared's life.

Answer:

Poisning by 2-deoxyglucose syops the glycolysis process which leads to cardiovascular and respiratory symptoms. Due to property of inhibiting the enzyme reqquired for glycolysis, glucokinase. So, there is no ATP production takes place.

Arsenic poisoning inhibits the second stae of cellular respiration, the Krebs cycle which leads to pyruvate accumalation. The symptoms associated with arsenic are diarrhea, sking tone, abdomunal pain, and muscle cramps.

Oligomycin is used as an antibiotic to inhibit proton ATPase present in mitochondria membrane which blocks ATP formation. Watery eyes, cough, congestion in chest and nose are sysmptopms of oligomycin poisining.

The symptoms cyanide poisoning are dizziness, short breath, nd muscle weakness which matches with the symptoms of jarod.

6 0
2 years ago
Read 2 more answers
Scenario: Kenneth and Catherine Lohmann of the University of North Carolina explored the orientation or direction-finding abilit
UkoKoshka [18]

Answer:

Option A, shared their data with colleagues to obtain feedback on the work.

Explanation:

All researchers prefer to share their findings with their peers or other researchers working in the same field to get their reviews. This step is very essential as it makes the research authentic and removes the flaws that would have otherwise missed by the researcher.  

Peer reviewers also give useful suggestion to further modify one’s research study based on their experiences.  

Hence, option A is correct

8 0
2 years ago
If the NDU gene is amplified inside cells leading to overexpression of the protein, what event is likely to occur under hypoxic
mario62 [17]

Answer: Oxygen consumption within the mitochondria will decrease further

Explanation:

If the NDU gene is amplified inside cells leading to overexpression of the protein, the event that is likely to occur under hypoxic conditions is Oxygen consumption within the mitochondria will decrease further

5 0
2 years ago
In a PCR reaction, a few seconds at high temperature disrupts the ____ that hold the two strands of DNA together, so every molec
Andrews [41]

Answer:

Hydrogen Bonds

Explanation:

In the polymerase chain reaction (PCR) the temperature rises to 90 ° C - 95 ° C, to break the hydrogen bonds, which are the types of bonds responsible for pairing the two strands of DNA, this process is known as denaturation of DNA.

The DNA is extremely stable, due to a large number of bonds (hydrogen bonds) that form between the two strands. If the temperature decreases, these bonds will begin to recompose, until the DNA returns to its original state

7 0
2 years ago
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