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TLS Online TPP Program

#Question id: 2984

Certain unicellular eukaryotes, including diatoms and some yeasts, have mechanisms of nuclear division that may resemble intermediate steps in the evolution of mitosis. Which of the following is a characteristic feature of nuclear division in these organisms?

#Unit 2. Cellular Organization

  1. They reproduce by binary fission in their early stages of development and by mitosis when they are mature.

  2. They have circular chromosomes that are segregated by a mitotic spindle.

  3. Chromosomes are segregated by a mitotic spindle, but the nuclear envelope remains intact during division.

  4. Chromosomes are segregated by attachment to the plasma membrane.

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TLS Online TPP Program

#Question id: 19700

#Unit 13. Methods in Biology

Different leads are used to record ECG of humans, these leads can be either bipolar or unipolar. Which one of the following is NOT unipolar leads?
TLS Online TPP Program

#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?
TLS Online TPP Program

#Question id: 19702

#Unit 13. Methods in Biology

What is aVL in augmented unipolar limb lead?
TLS Online TPP Program

#Question id: 19703

#Unit 13. Methods in Biology

What is aVR in augmented unipolar limb lead?
TLS Online TPP Program

#Question id: 19704

#Unit 13. Methods in Biology

What is aVF in augmented unipolar limb lead?
TLS Online TPP Program

#Question id: 19705

#Unit 13. Methods in Biology

Which of the following normally has a slowly depolarizing “prepotential”?