Formation of the ribosomal initiation complex for bacterial protein synthesis does not require:

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#Question id: 19701

#Unit 13. Methods in Biology

Choose correct statement about Electrocardiogram Augmented Limb Leads.

a. In this type of limb lead system, two of the limbs are connected through the positive terminal of the electrocardiograph, and the third limb is connected to the negative terminal. 

b. In this type of limb lead system, two of the limbs are connected through the negative terminal of the electrocardiograph, and the third limb is connected to the positive terminal. 

c. When the positive terminal is on the right arm, the lead is known as the aVR lead; when on the left arm, it is known as the aVL lead; and when on the left leg, it is known as the aVF lead.

d. When the negative terminal is on the right arm, the lead is known as the aVR lead; when on the left arm, it is known as the aVL lead; and when on the left leg, it is known as the aVF lead.

Which of the following combination is correct?

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#Question id: 486

#Unit 1. Molecules and their Interaction Relevant to Biology

The ultimate electron acceptor in the fermentation of glucose to ethanol is:

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#Question id: 4620

#Unit 11. Evolution and Behavior

The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common ancestor at about the same time. Which of the following is the most likely explanation for these data?

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#Question id: 11700

#Unit 7. System Physiology – Animal

As menstruation ends estrogen levels in the blood rise rapidly. What is the source of the estrogen?

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#Question id: 19225

#Unit 12. Applied Biology

Modification of the tissue culture conditions by the inclusion of ________ during transformation of grape, rice, corn, or soybean has been found to increase the transformation frequencies of those plant cells.