Which of the following directors of embryonic development can be found within unfertilized eggs?
A) tissue-specific proteins
B) bindin proteins
C) cytoplasmic determinants
D) mRNAs transcribed from embryonic genome
Answer: C
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A mosquito carrying the malaria parasite (P. falciparum) bites a woman's arm. What structures must the mouth parts of the mosquito pass through to introduce the parasite into the woman's bloodstream? Select all correct choices
A. portions of the epidermis B. keratin-covered cells C. portions of the dermis D. connective tissue
In 1610, which scientist was imprisoned for publishing evidence that the Earth orbits the sun?
a. Aristotle b. Copernicus c. Galileo d. Darwin e. Newton
Design an experiment to compare the effectiveness of a physical and a chemical method of disinfection
What will be an ideal response?
The growing center that gives rise to outer layers of bark on both root and shoots is the
A. apical meristem. B. cork cambium. C. lateral meristem. D. vascular cambium.