Plant cell walls are composed of which of the following?
A. Cellulose
B. Sucrose
C. Protein
D. Wax
Ans: A. Cellulose
You might also like to view...
What would result if a leech had a mutation causing it to secrete low levels of anticoagulants?
A. The pain of the leech bite would cause the leech to be detected. B. The leech would have a hard time locating appropriate hosts. C. The blood would stop flowing after a short time. D. The leech would have a hard time remaining attached to its host. 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 leeches? Choose Answer · Given what you now know, what information and/or problem solving approach 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?
A double stranded DNA strand contains 26 pyrimidines. How many purines will the copied strand contain?
A. 13 B. 26 C. 52 D. 0
The 'rule" formulated by Chargaff states that
A) A = C and G = T in any molecule of DNA. B) A = U and G = C in any molecule of RNA. C) A = T and G = C in any molecule of DNA. D) A = G and C = T in any molecule of DNA. E) DNA and RNA are made up of the same four nitrogenous bases.
The dome-shaped muscle below the chest cavity is called the
a. soleus b. biceps c. diaphragm d. popliteus