Which of the following are examples of some things you should not wear in lab? (Choose all that apply)
> Closed-toed shoes
> Short-sleeved shirts
> Loose clothing
> Flip-flops
> Sandals
> Dangling jewelry
> Loose clothing
> Flip-flops
> Sandals
> Dangling jewelry
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What did the researchers conclude based on the data in figure (b)?
A. Cyclophosphamide slowed the growth of tumors but resistance developed. B. Endostatin shrunk tumors but resistance developed. C. Cyclophosphamide slowed the growth of tumors without development of resistance. D. Tumors in untreated cells shrank in size. E. Endostatin shrunk tumors without development of resistance.
Homologous chromosomes usually have the same arrangement of genes along their length.
a. true b. false
An experimental setup is shown below. Which hypothesis would most likely be tested using this setup?
A) Light is needed for the process of reproduction.
B) Glucose is not synthesized by plants in the dark.
C) Protein synthesis takes place in leaves.
D) Plants need fertilizers for proper growth.
Precarcinogens are themselves not carcinogens but may be activated to become a carcinogen in the liver by the activity of
A) PTEN. B) Ras. C) EGF. D) Cytochrome P450. E) APC.