Certain substances pass from the blood in the glomerular capillaries into the ultrafiltrate under normal circumstances. Other substances will only appear in the ultrafiltrate under abnormal circumstances. Categorize the following substances' appearance in the ultrafiltrate into normal and abnormal.

1. Albumin (a protein)
2. Amino acid
3. Glucose
4. NaCl
5. Plasma
6. Red blood cell
7. White blood cell

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.