Biotechnology has led to important improvements in agriculture. The creation of herbicide and insect-resistant crops has had which of the following effects?
a) decrease in the health risks of consuming farm-grown food
b) reduction in the environmental and financial costs of producing food
c) increase in susceptibility to soil-welling bacteria
d) reduction in the vitamins present in foods such as rice
e) increase in the safety of genetically modified foods
Ans: b) reduction in the environmental and financial costs of producing food
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Fill in the blank with the appropriate word.
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What hormones function in both the male and female reproductive system?
A) estrogen and progesterone B) gonadotropin-releasing hormones and progesterone C) luteinizing hormone and follicle-stimulating hormone D) luteinizing hormone and progesterone
Some protists consist of a single cell with multiple nuclei. This condition is known as:
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