Biology, 07.06.2021 18:00 iesps010411
A group of 500 people are selected at age 20 and followed for 15 years. The people who go on to develop a
certain type of cancer are compared with those who do not. The researchers are attempting to determine different
factors that could increase cancer risk.
historical cohort study
double-blind drug trial
prospective cohort study
randomized controlled trial
Answers: 1
Biology, 22.06.2019 04:30
Which would be the most useful source of evidence to support mcneill's contention?
Answers: 3
Biology, 22.06.2019 06:00
In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality
Answers: 3
Biology, 22.06.2019 07:00
In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?
Answers: 3
Biology, 22.06.2019 08:00
Explain why biological control methods are generally environmentally superior to chemical pest control methods.
Answers: 1
A group of 500 people are selected at age 20 and followed for 15 years. The people who go on to deve...
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