Which one of the following carbohydrate molecules has the lowest molecular weight?
A. sucrose
B. lactose
C. glucose
D. cellulose
E. chitin
Ans: C. glucose
You might also like to view...
Members of the genus Thiothrix are sheathed bacteria that can replicate by releasing gonidia from the open end of the sheath.
Answer the following statement true (T) or false (F)
Pasteurization results in the sterilization of food products
Indicate whether this statement is true or false.
Most molecular biologists think that viruses originated from fragments of cellular nucleic acid. Which of the following observations supports this theory?
a) Viruses can reproduce only inside host cells. b) Viruses can infect both prokaryotic and eukaryotic cells. c) Viral genomes are usually similar to the genome of the host cell. d) Viruses contain either DNA or RNA. e) Viruses are enclosed in protein capsids rather than plasma membranes.
Which of the following is most likely to be correct?
A) Each successional stage always makes conditions more favorable for the next successional stage. B) Each successional stage always makes conditions less favorable for the next successional stage. C) Each successional stage modifies the environmental conditions of the site.