Vascular tissue that transports organic nutrients and sugars from the leaves to the roots is
A. phloem.
B. cambium.
C. xylem.
D. periderm.
E. sclerenchyma.
Answer: A
You might also like to view...
Which of the following statements regarding chemical reactions is false?
A. During a chemical reaction, atoms of one element can be converted into a different element. B. There are chemical reactions close to you right now. C. During a chemical reaction, molecules are rearranged. D. The products of a chemical reaction always have the same mass as the reactants.
Answer the following statements true (T) or false (F)
1. Poor-quality clinical specimens are unlikely to produce clinically relevant results. 2. The Director of the Clinical Microbiology Laboratory (CML) is ultimately responsible for the quality of clinical specimens submitted to the CML. 3. Special disinfection procedures are required to prevent indigenous microflora of the skin from contaminating blood cultures. 4. Bacteriuria is a sure sign of urinary tract infection. 5. CSF specimens are treated as “stat” specimens in the Clinical Microbiology Laboratory.
Which of the following is the best example of potential energy in a cell?
A. Cell division B. A molecule of glucose C. Movement of a flagellum D. Random molecular motion
Which \statement about genome sequencing is false?
A) The genomes of thousands of species have been completely sequenced. B) The first eukaryotic organism to have its genome sequenced was yeast. C) Most of the genomes that have been sequenced to date are eukaryotes. D) The genome of a mouse has been sequenced.