#Question id: 11942
#Unit 7. System Physiology – Animal
A patient’s urine is collected for 2 hr, and the total volume is 600 ml during this time. Her urine osmolarity is 150 mOsm/L, and her plasma osmolarity is 300 mOsm/L. What is her “free water clearance”?
#Question id: 12729
#Unit 13. Methods in Biology
#Question id: 3329
#Unit 11. Evolution and Behavior
The following genotypes of one locus in population are given - Genotype ( Number)
AA (120) AB ( 30) BB (50) CC (300)
AC (400) BC (100)
Which of the following is the correct frequency of C allele and A allele respectively?
#Question id: 2072
#Unit 2. Cellular Organization
Which of the following structures would decrease the electrochemical gradient across a membrane?
#Question id: 1377
#Unit 4. Cell Communication and Cell Signaling
Which of the following statements apply to both eukaryotic cell walls and animal cell extracellular matrices? Please select all that apply.
a) They are inflexible structures that support cells.
b) They are built to a common overall structure that can be described as 'fibres in a matrix'.
c) Their protein components are synthesized by ribosomes of the rough endoplasmic reticulum.
d) They limit the diffusion of ions and small molecules into the cell.