In which of the following groups are most mRNAs monocistronic?
A) bacteria
B) archaea
C) eukarya
D) bacteria and archaea
E) All mRNAs are monocistronic.
Answer: C
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What is the correct operational sequence of the three processes listed below?
I. glycolysis II. electron transport chain III. Krebs cycle
a. I ? II ? III b. II ? I ? III c. III ? I ? II d. II ? III ? I e. I ? III ? II
There are three alleles controlling the ABO blood types. IA and IB are codominant genes so that the
combination IAIB produces the AB blood type. The third allele, IO, is recessive to the other two alleles. Indicate which of these parents could produce the given child:Parents Child Yes or No (a) A ? AB B (b) A ? O A (c) A ? B O (d) A ? AB O (e) A ? AB B (f) B ? B O Observing Patterns in Inherited Traits 115 (g) AB ? AB A What will be an ideal response?
The initial degradation of cellulose that initiates microbial growth in the Winogradsky column is carried out by ________.
A. Desulfovibrio B. Rhodopseudomonas C. cyanobacteria D. Clostridium
The DNA methylation state of a zygote will be maintained throughout the life of the organism and then passed on unchanged to its offspring.
Answer the following statement true (T) or false (F)