Mutations in the lamin A gene are responsible for very diverse disorders because
A) different tissues have different variants of the gene.
B) lamin A proteins affect how chromatin touches the nuclear membrane.
C) many different results occur.
D) every tissue type has lamin A.
B) lamin A proteins affect how chromatin touches the nuclear membrane.
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D-amino acids are associated with
A. radioactive isotopes. B. human proteins. C. plant proteins. D. bacterial cell walls.
How does the likelihood of the survival of technological societies restrict the number of civilizations with which we might communicate?
What will be an ideal response?
Which of the following floral reproductive
structures is incorrectly matched?
a. microspore-pollen grain b. egg-embryo c. ovule-seed d. ovary-fruit e. none of these structures are incorrectly matched
Which of the following equations represents the total water potential of a plant?
A. s2 + p2 = w2 B. ?p = ?w + ?s C. ?w = ?p + ?s D. ?s = ?p + ?w E. ?w = ?s ¸ ?p