A: Large molecules
B: Small molecules
C: Both move together
D: The above options are not selected
举一反三
- 凝胶电泳（gel electrophoresis）
- One way to ________ a career move is to join a small but rapidly growing company.
- 中国大学MOOC: When water cools, but does not freeze, the molecules move ______________ and take up ______________ space.
- Which of the following silica gel as adsorbent in TLC, contains neither inorganic adhesive material(gypsum ustum) nor fluorescence indicator? A: Silica gel H B: Silica gel G C: Silica gel GF254 D: None of above
- _________ are small molecules or proteins that are produced in one tissue, released into the bloodstream, and carried to other tissues, where they act through specific receptors to bring about changes in cellular activities. A: Sugars B: Hormones C: Lipids D: Nucleotides
内容
- 0
In two-dimensional polyacrylamide-gel electrophoresis, you can run a SDS-gel first, followed by running an isoelectrical gel
- 1
The gel formed by methyl cellulose and gelatin can form a gel at a high temperature or a low temperature and is in the form of a solution at a medium temperature, which is called. A: concave gel B: convex gel C: hot gel D: cold gel
- 2
When water cools, but does not freeze, the molecules move ______________ and take up ______________ space. A: Faster, less B: Faster, more C: Slower, less D: Up, less
- 3
The mechanism by which preserved eggs form a gel belongs to ( ) gel. A: Thermal induction B: Ion induction C: Acid/alkali induction D: Enzyme induction
- 4
Proteins are large biological molecules consist of which of the following amino acids?: D-α-amino acids|D-β-amino acids|L- and D-β-amino acids|L-α-amino acids|L-β-amino acids