Genetically programmed cell death is known as
a. apoptosis.
b. hemolysis.
c. autolysis.
d. hemoptysis.
e. hematemesis.
A
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Molebdenum is a cofactor for nitrogenase, which means every nitrogen-fixing microorganisms will not be able to fix nitrogen without Mo
Indicate whether the statement is true or false.
When the concordance rate of a trait is significantly higher in identical twins than it is in fraternal twins, we can conclude that:
A. the trait has a strong genetic component. B. the trait has a strong environmental component. C. the trait has a strong genotype-byenvironment interaction. D. the trait has a strong norm of reaction. E. the trait has both a strong genetic component and a strong norm of reaction.
A mutation that results in the addition or deletion of a single nucleotide that radically changes the amino acid sequence of the resulting polypeptide is known as a ________ mutation.
Fill in the blank(s) with the appropriate word(s).
____ are tiny pores in the epidermis that facilitate the diffusion of carbon dioxide into leaves or herbaceous stems
a. Stomata b. Guard cells c. Tracheids d. Sclereids e. Trichomes