Question
When compared to other body cells, which characteristic of stem cells is the most important for therapeutic uses?
A. Less differentiation
B. Less excretion
C. Lower rate of reproduction
D. Lower rate of metabolism
▶️Answer/Explanation
Ans: A
Question
The image shows an electron micrograph of a cell.
Which organelles correspond to the labels in the electron micrograph of this cell?
▶️Answer/Explanation
Ans: C
Question
Which molecule regulates the fluidity of cell membranes?
A. Phospholipid
B. Cholesterol
C. Glycoprotein
D. Peripheral protein
▶️Answer/Explanation
Ans: B
Question
Pasteur carried out a series of experiments that provided strong evidence against a widely supported theory. What was this theory?
A. Endosymbiosis
B. Spontaneous generation
C. Conservative replication of DNA
D. Evolution
▶️Answer/Explanation
Ans: B
Question
The image shows cells in the different stages of mitosis. Which cell is in telophase?
.
▶️Answer/Explanation
Ans: D