#Question id: 1301
#SCPH05 I Biotechnology
The cell walls of bacteria, fungi, and plant cells, and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following characteristics are common to all of these extracellular structures?
#Question id: 22952
#SCPH06 I Botany
#Question id: 797
#SCPH05 I Biotechnology
With respect to microRNAs, which, if any, of the following statements, is FALSE?)
A. MicroRNA genes often occur in gene clusters within introns of protein-coding genes and are usually transcribed by RNA polymerase II.
B. Like an mRNA a miRNA is initially produced as a larger precursor RNA that, like the great majority of mRNAs, usually has a 5’ cap and a poly(A) tail.
C. MicroRNAs are produced by germ-line cells only.
D. A miRNA is initially produced as a duplex RNA but in order to work it needs to be converted into a single-strand RNA.
E. MicroRNAs usually work as transcription factors.
#Question id: 5571
#SCPH28 | Zoology
Environmental cues that influence the timing of reproduction generally do so by ________.
#Question id: 7293
#SCPH28 | Zoology
In agamous mutant (flower within flower phenotype) which of the following statements is valid?