Words similar to challenge

Example sentences for: challenge

How can you use “challenge” in a sentence? Here are some example sentences to help you improve your vocabulary:

Deciphering the functions encoded by all gene products of the genomes is the next big challenge in the field.
Typical This would be a challenge.
Figure 2 shows the statistical power of the repeated low-dose challenge design as a function of the number of animals per group for varying vaccine efficacies (black lines), and compares it to the statistical power of the single low-dose challenge design (green lines).
The challenge has been to understand the programming of the PKS that accounts for this gamut of structural variation.
Prior to CSC challenge, the transfected cells were preincubated for 4 hours in minimal Eagle's medium with Earle's salts to remove serum factors.