Answer the following statements true (T) or false (F)
1. The bicoid gene is a homeotic gene that encodes a transcription factor.
2. Both embryonic stem cells and embryonic germ cells are pluripotent.
3. A myeloid progenitor cell can differentiate into immune cells of the blood and lymph systems.
4. Davis, Weintraub, and Lasser demonstrated that MyoA, MyoD, and MyoH could transform undifferentiated fibroblast cells into muscle cells.
5. There are no federal government funds currently available for stem cell research.
1. FALSE
2. TRUE
3. FALSE
4. FALSE
5. FALSE
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Spontaneous mutations include
A. Depurination, deamination, errors in DNA replication B. UV light, radiation, deamination, depurination C. UV light, radiation, deamination, errors in replication D. UV light, errors in DNA replication, deamination, depurination
Enzymes function primarily by ____
a. forcing the reactants into an altered environment which in turn creates a change in the free energy of the reactants relative to the products b. altering the equilibrium point of a particular reaction to favor the formation of products c. increasing the probability that the reactants will come into close proximity to each other in the proper orientation for forming the transition state molecule d. removing reactants from solution in a set ratio to increase the chances of the remaining individual reactants interacting with each other e. changing the ratio of reactants to products so that the forward reaction is favored
This gas traps 20 times the heat that carbon dioxide does
A) methane B) argon C) nitrogen D) oxygen
What do genes consist of?
A) carbohydrates B) lipids C) proteins D) nucleic acids