Which components form the structure of the plasma membrane?
A) a single layer of proteins
B) a single layer of lipids with proteins embedded in it
C) a double layer of proteins
D) a double layer of lipids with proteins embedded in it
D
You might also like to view...
Azolla filiculoides is a small aquatic fern that is typically 1-2 cm tall. How would a botanist distinguish it from a bryophyte?
A. It produces seeds. B. It has xylem tissue. C. It has a gametophyte. D. It has chloroplasts. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about ferns and bryophytes? What other information is related to the question? Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
In addition to antimicrobials, patients with diphtheria are treated with ________.
A. heart medication B. bronchoscopy C. antitoxin D. tracheostomy E. All of the choices are correct.
Which of the following statements about mitochondria is false?
A) Because of the role of the mitochondria in producing cellular energy, mitochondrial diseases often affect the muscles and nervous system. B) Because mitochondria are present in the cytoplasm, mitochondrial diseases are transmitted maternally. C) Like nuclear genes, mitochondrial genes usually follow Mendelian patterns of inheritance. D) Mitochondria contain circular DNA molecules that code for proteins and RNAs. E) Many mitochondrial genes encode proteins that play roles in the electron transport chain and ATP synthesis
Which of the following is not true of heterochromatin?
a. It is highly condensed chromatin. b. There are two forms of it, called constitutive and facultative heterochromatin. c. It is transcriptionally active. d. It is largely localized to the nuclear periphery.