Q: In the nematic phase, only the long axes of the molecules are parallel, and the ends are staggered at random intervals. in the smectic phase, the long axes of the molecules are parallel, and the molecules are also arranged in planes. finally, in thecholesteric phase, the molecules are arranged in layers; each layer is rotated with respect to the ones above and below it to give it this? Choices: - layer structure - kinetic energy - symmetry - spiral structure A:
spiral structure

(Question)
Q: Iron is oxidized to fe2+(aq) at an anodic site on the surface of the iron, which is often an impurity or this? Choices: - displacement defect - spontaneous mutation - ladder complex - lattice defect A:
(Answer)
lattice defect

Ques: Q: What type of tissue produces and secretes several hormones involved in lipid metabolism and storage? Choices: - hormonal tissue - metabolism tissue - somatic tissue - adipose tissue A:
Ans: adipose tissue

(Q).
Q: The head of the sperm contains what, which holds the chromosomes? Choices: - nerve cells - fiber - eggs - nucleus A:
(A).
nucleus

Ques:Q: Name the fever that is caused by a virus that has antigens similar to molecules in human heart tissues. Choices: - Dengue fever - yellow fever - chronic fever - rheumatic fever A:

Ans:rheumatic fever

Q: Light from a distant galaxy can travel different paths to the earth because it is bent around an intermediary galaxy by what? Choices: - radiation - strength - variation - gravity A:
gravity