The nucleolus plays a major role in synthesis of ________.
A. transcription activation proteins
B. tRNA
C. rRNA
D. mRNA
Answer: C
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Two snapdragons heterozygous for alleles that encode red and white flower color are crossed. If the red and white
alleles show incomplete dominance, what will be the ratios of phenotypes in the offspring?
a. 100% pink b. 100% red c. 50% white, 50% red d. 25% red, 50% pink, 25% white e. 25% pink, 50% white, 25% red
Enzymes contained in _____ break down worn-out organelles, bacteria, and other particles
Fill in the blank(s) with correct word
Which of the following is the major component of most plant cell walls?
A) chloroplasts B) lignin C) starch D) cellulose
Which lower respiratory tract disorder can be cured through the use of antibiotics that are effective against bacterial infections?
A. Pneumonia B. Strep throat C. Emphysema D. Asthma