They breathe through unseen holes in their heads. You may only see them with a microscope.
Answer: Sulfa antibiotics target a specific enzyme that inhibits bacterial growth. ... Viruses are unaffected by antibiotics because they do not have peptidoglycan cell walls or ribosomes, and they do not replicate their own DNA. Bacteria can become resistant to antibiotics through the process of selection and evolution.
Explanation:
Answer:
1.69 moles of Xenon gas will occupy a volume of 37.8l in STP conditions
Explanation:
We use the formula PV=nRT. The conditions STP are 1 atm of pressure and 273 K of temperature.
PV=nRT ----> n=PV/RT
n= 1 atm x 37, 8 L/ 0,082 l atm/K mol x 273K
n=1,688555347 mol
Different forms<span> of the same </span>gene<span> are </span>called<span> alleles ....</span>
