A human nerve cell that has an abnormal shape most likely has a defective
A. cell wall.
B. cytoskeleton.
C. nucleus.
D. ribosome.
Ans: B. cytoskeleton.
You might also like to view...
Match the following names with the correct statements.
_______1. This German scientist proposed the theory of biogenesis—that life can arise only from preexisting life. _______2. This Dutchman built single lens microscopes as a hobby and is believed to be the first person to see live bacteria and protozoa. _______3. This German physician developed a step-by-step scientific method to prove that a particular microorganism causes a particular disease and contributed to what is known as “the germ theory of disease.” _______4. This French scientist discovered that microorganisms are responsible for fermentations, contributed to disproving abiogenesis, and contributed to what is known as “the germ theory of disease.” a. Robert Koch b. Louis Pasteur c. Rudolf Virchow d. Antony van Leeuwenhoek
The oldest known plant is called King's holly. Why is it sterile? a. It has lost the female reproductive structures
b. It has no pollinator. c. It has three sets of chromosomes. d. It has lost the male reproductive structures. e. It has too many of the male and female reproductive structures.
Many animal trainers give rewards to an animal when it performs a behavior correctly. This type of learning is called
a. insight learning b. operant conditioning c. imprinting d. innate learning e. habituation
The principal components of cell membranes are:
A) carbohydrates. B) proteins. C) nucleic acids. D) phospholipids. E) sterols.