Which of the following is not true about mutations? a) mutations are chance changes in the dna sequence of bases and may code for a different amino acid b) mutations may cause variations that are adaptations c) radiation and x-rays may cause mutations d) mutations are always harmful

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Why does miranda have that particular vision of dr hildesheim answer?

If a checkpoint detects damaged dna, the checkpoint may