1. Which members of tbacteria are used to prouce most of the antibiotics used in medicine today? A) cyanobacteria B) actinomycetes C) spirochaetes D) archaebacteria 2. Bacterial cells that have spherical shapes are given the name A) bacillus B) coccus C) spirillum D) none of these 3. A baceria that […]

Q1. The Kingdom Fungi contains members with saprobic, parasitic and mutualistic modes of nutritiom. How do these types of nutrition relate to the ecological and economiv importace of this group? Q2. A scientist uses a molecule of DNA composed of nucleotides containing radioactive Sugar molecules (deoxyribose) as a template for […]

Q1. Most antibacterial drugs disrupt or destroy prokaryotic cellular characteristics that are different from those of eukaryotic cells, or which might not even be present in eukaryotic cells. List and depict at least three prokaryotic cellular features that could be targeted in this way to inhibit or kill a bacterial […]

The ability to roll the tongue sideways (A) is dominant over theinability to roll one’s tongue (a). In humans, non-attachedearlobes (B) are dominant over attached earlobes (b). Two parentswith attached earlobes can roll their tongues. They are bothheterozygous for the tongue rolling trait.     What is the genotype of the […]