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laiz [17]
3 years ago
13

Please help! Earth Science (multiple choice)

Biology
1 answer:
Bezzdna [24]3 years ago
6 0
D. Minerals !!!!!!!!!
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A titratable group is in the active site of an enzyme and must be protonated for the enzyme to function. Assume that the group h
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The correct option is 3. "At pH 6.5 the enyzme is 50% active"

Explanation:

For the titratable group to be protonated and cause the enzyme to be in the active state, it needs to have gained a hydrogen cation (H+). In order for that to happen, there must be enough hydrogen cations in the environment of the enzyme, and hence, an acidic pH is required in this case.

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Which of the following is NOT a symptom of alcohol poisoning?
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A. i think

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After researching the possible effects of music, Elaina proposes that if people listen to faster-paced music, their pulse rates
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Constant variables

Explanation:

Elaina's investigation lacked the critical ingredient of constant variables which are important components of every scientific investigation. In every research, there are 3 important variables, namely:

1. Dependent variables: the actual variable to be measured during the course of investigations and whose values are dependent on another variable (independent variable) supplied by the investigators.

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3. Constant variables: other variables that are neither independent nor dependent but constant for all the various experimental groups in investigations.

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how many ATP molecules must be invested to break one molecule of glucose into 2 molecules of pyruvate​
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4 ATP

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Resistance bacteria survive in greater numbers and pass the trait to their offspring

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Antibiotics are chemicals which are used in the treatment of bacterial infections. The bacteria sometimes have some form of immunity or resistance to a particular antibiotic due to a host of underlying factors.

Once resistance appears in a bacterial population, it spreads rapidly. The trait of immunity or resistance to such antibiotic is then passed as a trait from one generation to another.

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