Pea shape is controlled by a gene that specifies an enzyme known as Sbe1 (for Starch-branching enzyme 1). A recessive allele of Sbe1 likely encodes
A) an Sbe1 enzyme with reduced function.
B) an Sbe1 enzyme with a new function.
C) a different type of enzyme.
D) an Sbe1 enzyme with enhanced catalytic activity.
A) an Sbe1 enzyme with reduced function.
You might also like to view...
Which of the following is true of the human microbiome?
A) High blood sugar following weight-loss surgery is partly due to a changed gut microbiome. B) An altered microbiome hastens starvation in malnourished children. C) Antibiotics do not alter the gut microbiome. D) The microbiome consists primarily of cells that belong to the human body.
The form of RNA that cuts rRNA molecules is
A) tRNAs. B) pseudogenes. C) snoRNAs. D) microRNAs.
The complement system functions to ____ and ____
a. mobilize B cells; initiate antibody production b. help the innate immune system; turn on expression of T-cell receptor protein genes c. destroy invading cells; provide a physical barrier against pathogens d. destroy invading cells; guide phagocytes to the infection site e. destroy viruses; guide phagocytes to the site of inflammation
The condition that is characterized by the wearing-down of joints due to insufficient cartilage repair iscalled:a
osteitis. b. osteoporosis. c. osteophoresis. d. osteoarthritis. e. osteon disease.