A bacterium is believed to have a relatively thick peptidoglycan cell wall with no extra, outer layer. Which test and appropriate result can confirm this property

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

How do you date a sample of rock that you suspect as being one of the earliest on earth

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.