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puteri [66]
3 years ago
15

What part of the conduction system might be at risk for abnormalities with vsd?

Biology
1 answer:
irakobra [83]3 years ago
7 0
In the conduction system vsd might effect the heart
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Which group from organisms includes only multicellular heterotrophs
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I believe the answers Fungi


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A batsman is unlikely to score a century in every cricket match. This is an example of
Licemer1 [7]

A batsman is unlikely to score a century in every cricket match. This is an example of "partial reinforcement".

<u>Option: C</u>

<u>Explanation:</u>

Unlike constant reinforcement, partial reinforcement is only strengthened during certain times or time ratios, rather than emphasizing the action every single time. This method of arranging reinforcement is also called intermittent reinforcement after certain number of correct answers or certain interval of time. Thus here a batsman donot plan intentionally to make a century in every cricket match, but it goes random. Although when they need to score high on pressure, they force themselves to stretch as much possible which is not general.

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As he concludes his talk, Snelgrove says, “And as the oceans go, so shall we.” Explain what he means by this statement.
Charra [1.4K]

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Well it only makes sense that he meant that since humans use the oceans for so much once they are gone, humans will die not too long after

Explanation:

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schepotkina [342]
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7 0
3 years ago
Which of the following actions will provide a negative control for the investigation?
salantis [7]

The question is incomplete, the complete question is;

Researchers investigated the influence of environmental pH on the activity of peroxidase, an enzyme that catalyzes the conversion of hydrogen peroxide to water and oxygen gas. In an experiment, the researchers added a hydrogen peroxide solution containing guaiacol to several identical test tubes and adjusted the solution in each test tube to a different pH. The researchers included the guaiacol because it caused the solutions to change color as the reactions proceeded, which the researchers relied on for measuring reaction rates. Finally, the researchers added the same amount of peroxidase to each test tube and measured the rate of each reaction at 23°C. The results of the experiment are represented in Figure 1.

Figure 1. The effect of pH on peroxidase activity

Which of the following actions will provide a negative control for the investigation?

A

Repeating the experiment at 25°C

B

Repeating the experiment using twice the amount of hydrogen peroxide

C

Repeating the experiment using twice the amount of peroxidase

D

Repeating the experiment using heat-denatured peroxidase

Answer:

D

Repeating the experiment using heat-denatured peroxidase

Explanation:

A Negative control is a situation in which a particular reagent added to an experimental set up just as all the other samples is not expected to effect any change in the responding variable.

In this case the independent variable is the pH of the solution while the responding variable is the activity of peroxidase enzyme.

A denatured enzyme is not expected to have any effect on the responding variable. Hence, this is a negative control.

7 0
3 years ago
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