Which observation proves that a cell is a eukaryote

a. the cell uses ribosomes to create protein

b. the cell contains dna

c. the cell contains nucleus

d. the cell has a cell membrane?

Brown fat cells produce a protein called thermogenin in their mitochondrial inner membrane. Thermogenin is a channel for facilitated transport of protons across the membrane. What will occur in the brown fat cells when they produce thermogenin?

How are alleles represented on paper?

Weathering, erosion, or deposition. Layers of sediment forming at the bottom of the ocean?

Which type of drug has never played a role in health care? opiates depressants inhalants stimulants?

Describe what is happening in figures 1-3

What is the loss of an electron

Uit flies are commonly used in genetic investigations that focus on traits passed from parents to offspring over several generations. What can you infer is the reason fruit flies are the most commonly used organism for this type of investigation?

5 potential causes of Microevolution

Delia is interested in finding ways to cure diseases. Which of the following career fields would best suit Delia's interest? animal biology cytology nuclear biology zoology

The purpose of a mordant in the Gram stain is to: make gram-negative cells visible. prevent the crystal violet from leaving the cells. make the flagella visible. make the bacterial cells larger. remove the simple stain.