In the establishment of rhizobia in a legume, infection threads are found in the:a
stele.
b. cortex.
c. root hairs.
d. xylem.
e. phloem.
c
Biology & Microbiology
You might also like to view...
Small, photosynthetic protists found in aquatic habitats are collectively called ____
a. zooplankton b. phytoplankton c. phagoplankton d. bryophytes e. chrysophytes
Biology & Microbiology
If you cross two pea plants, one with green peas and the other with yellow peas, you find all of the offspring have yellow peas. You conclude the yellow parent was
A. homozygous for the recessive allele. B. heterozygous. C. homozygous for the dominant gene. D. homozygous for the dominant allele. E. homozygous for the recessive gene.
Biology & Microbiology
Viroids are constructed primarily of ____
a. lipids b. DNA c. protein coats d. RNA e. bacteriophages
Biology & Microbiology
Agar is made from which protist:
A. Red Algae B. Brown Algae C. Euglena D. Slime Mold
Biology & Microbiology