#Question id: 8859
#Unit 9. Diversity of Life Forms
In terms of food capture, which sponge cell is most similar to the cnidocyte of a Cnidarian
#Question id: 7311
#Unit 5. Developmental Biology
According to the ABC model of flower development in Arabidopsis, three classes of organ identity genes— designated A, B, and C— are required to specify the identity of floral organs in each whorl of a flower. If wild type Arabidopsis were transformed with a chimeric gene composed of a C class promoter fused to a B class coding sequence, which of the following arrangements (outer to inner) would be predicted?
#Question id: 24463
#Unit 7. System Physiology – Animal
#Question id: 11439
#Unit 1. Molecules and their Interaction Relevant to Biology
Arrange in increasing order of alkalinity
1. Pk1 arginine
2. pk2 proline
3. pk2 alanine
4. pkR arginine
#Question id: 2240
#Unit 2. Cellular Organization
In which of the following cases is energy NOT needed for transmembrane transport?
a. Lysine moves into the cell against its concentration gradient via the Na+/lysine symporter.
b. Potassium ions (K+) move out of the cell down the K+ concentration gradient via potassium channels.
c. Glucose moves into the cell down its concentration gradient via a glucose uniporter.
d. Sodium ions (Na+) move out of the cell down the Na+ concentration gradient via sodium channels.
Which of the following are correct?