Which structure evolved in cells approximately one billion years ago that allowed for the forming of more complex, multicellular organisms? A) nucleus B) ribosome C) plasma membrane D) golgi apparatus

Which is the first step in the fusion process?

Juan is working with a darkfield microscope with a numerical aperture (NA) of 1.25, Ali is working with a brightfield microscope with a NA of 0.25, while Suzy is working with a fluorescent microscope with a NA of 0.55.

Assuming that a clean-catch midstream urine was processed in the Clinical Microbiology Laboratory (CML), which one of the following colony counts is (are) indicative of a urinary tract infection100,000 CML/mL and >100,000 CFU/mL

Which body system is associated with the brain cell niche?

Which would provide the body with the most energy? A. Forming bonds between two amino acids B. Creating bonds to form a carbohydrate C. Breaking the bonds in a monosaccharide D. Breaking a single carbon bond

Ivy starts to get into the hot tub, but the water feels extremely hot. She stands in the water for a few moments, then slowly eases the rest of her body down into the water.

The differences between hashimotos' thyroiditis and grave's disease include b. only hashimoto's is a type ii hypersensitivity a. only grave's disease is an autoimmune disease c.

How could natural selection lead to evolution?

What algae is golden brown and one of the most common of all the unicellular organism in the ocean?

What is the name of the enzyme that adds new nucleotides to build mrna