In which stage of mitosis does exchange of genetic material between chromosomes (crossing over) occur?
A) prophase I
B) anaphase I
C) prophase II
D) none of the above
D
Biology & Microbiology
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Which of the following model organisms were used in experiments demonstrating that DNA was the genetic material?
A) mice B) amoeba C) humans D) tobacco plants E) bacteria and bacteriophages
Biology & Microbiology
Which of the following is NOT true about scientific inquiry?
A. Creating hypotheses B. Collecting evidences C. Running experiments with precision D. Accepting an idea is true directly E. Recording everything you see F. All the answers above
Biology & Microbiology
Which letter represents an organism that could only be a primary consumer?
A) A B) B C) C D) D E) E
Biology & Microbiology
What is the disorder in which bone loss
outpaces bone formation?
a. osteoporosis b. Parkinson's c. muscular dystrophy d. Alzheimer's e. all of these
Biology & Microbiology