Secondary xylem contains all of the following cell types except:a
tracheids.
b. vessel elements.
c. sieve tube elements
d. fibers.
e. parenchyma
c
You might also like to view...
Which bacteria cause Lyme disease?
a. Streptococcus pyogenes b. Staphylococcus aureus c. Escherichia coli d. Borrellia burgdorferi e. Bordetella recurrentis
The Shine—Dalgarno sequence is a purine-rich region just upstream of a start codon and is necessary for the initiation of protein synthesis in prokaryotes
Indicate whether the statement is true or false
Because the sinoatrial node sends out impulses that initiate each heartbeat, it is often referred to as the ________ of the heart
Fill in the blank(s) with correct word
Which of the following is a common source of antibiotics?
A) Acetobacter B) Bacillus species C) Pseudomonas D) Streptococcus thermophilus E) Streptomyces