The root extensions of mangroves are called ________
Fill in the blank(s) with correct word
pneumatophores
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Mercury in mercurochrome inhibits growth
A. through competitive inhibition. B. through a reversible action. C. by oxidizing the sulfhydryl groups in cysteine. D. by changing the shape of proteins. E. by oxidizing the sulfhydryl groups in cysteine AND by changing the shape of proteins.
The acrosomal reaction is the ____
a. activation of a sperm cell through attachment of an acrosome b. release of digestive enzymes from the acrosome after the initial attachment of a sperm to an egg c. fusion of sperm and egg nuclei using enzymes from the acrosome d. use of enzymes from the acrosome to block the attachment of other sperm cells to the egg e. initial binding of the sperm to the zona pellucida
Secondary growth occurs as a result of the activity of which two lateral meristems?
a. vascular cambium and cork cambium b. apical meristem and cork cambium c. primary meristem and secondary meristem d. periderm and cork cambium e. apical meristem and vascular cambium
I think the proactive stance is a better attitude to promote than after-the-fact worrying!When planning a long week of sunbathing on the beach, What type of DNA damage should sunbathers be aware of before hitting the beach?
A. decreased telomere length B. activation of uvr A, B, and C genes C. thymine dimers D. photolyase-induced mutations