Which structure protects the brain from harmful substances traveling in the blood?
a. the cerebrospinal fluid
b. the cerebellum
c. the blood-brain barrier
d. the ventricles
e. the meninges
Which structure protects the brain from harmful substances traveling in the blood?
a. the cerebrospinal fluid
b. the cerebellum
c. the blood-brain barrier
d. the ventricles
e. the meninges
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ORF refers to
A. the region of a gene that serves as the promoter. B. the location of the start site of transcription. C. the region of a gene that codes for a protein or a functional RNA product. D. the region between the ribosome binding site and translation initiation codon.
Which of the following statements regarding nutritive material and embryo in seeds is true?
A. In gymnosperms the female gametophyte provides food for the embryo. B. In angiosperms the female gametophyte provides food for the embryo. C. In gymnosperms the embryo is relatively small. D. In angiosperms the embryo is relatively large. E. Gymnosperms seeds do not have a seed coat.
During phagocytosis, intracellular digestion begins as soon as the phagosome is formed.
Answer the following statement true (T) or false (F)
Which of the following events would be predicted by the Bohr shift effect as the amount of carbon dioxide released from your tissues into the blood capillaries increases? The amount of oxygen in _____
A) arterial blood would increase B) arterial blood would decrease C) venous blood would increase D) venous blood would decrease