During meiosis, what process can sometimes "unlink" genes?
A) synapsis
B) crossing over
C) independent assortment
D) metaphase II
E) the formation of tetrads
Ans: B) crossing over
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Which one of the following statements about regulation of translation is incorrect?
A. Translation initiation complexes recognize and bind to the 5' cap. B. The translation initiation complex scans for an AUG codon near the 5' cap. C. The 5'UTR sequence affects the efficiency of translation initiation. D. Regulation of translation does not depend on sequences in the 3'UTR or the poly(A) tail. E. One of the key variables for influencing efficient translation is the sequence of nucleotides flanking the AUG codon.
The transfer of heat from the plant to the surrounding environment is influenced by the existence of the boundary layer, which refers to the layer of
A) waxy cutin on the surface of a leaf. B) epidermal cells surrounding the stomata. C) mesodermal cells beneath the epidermis. D) still air or water adjacent to the surface of a leaf.
Name the pyrimidines and the purines in DNA
What will be an ideal response?
N-linked oligosaccharides are added in the
a. cis Golgi and modified in the medial Golgi. b. ER and modified in the Golgi. c. medial Golgi and modified in the trans Golgi. d. cis Golgi and modified in the trans Golgi.