A hypotheses must be testable to be scientifically valid. Being testable and falsifiable means that _______.
Fill in the blank(s) with the appropriate word(s).
Answer: some conceivable observation or experiment could reveal whether a given hypothesis is incorrect
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In humans and other animals, maternal inheritance is characteristic of mitochondrial diseases that often affect ____ phosphorylation
Fill in the blank with the appropriate word.
Which endocrine gland is the main center for
control of the internal environment? a. pineal and thymus b. hypothalamus c. thyroid and parathyroids d. adrenal cortex and adrenal medulla e. pancreas and gonads
Plants that root and grow on other plants in the tropical rain forest are called
A) phreatophytes. B) succulents. C) epiphytes. D) halophytes.
Microbiological contaminants are best described as
A. vegetative microbes present on or in a substance. B. pathogenic microbes present on or in a substance. C. unwanted microbes present on or in a substance. D. any and all microbes present on or in a substance.