HIV typically attaches to
A. protein A.
B. C3b.
C. C5a.
D. CD4.
D.
Biology & Microbiology
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Double fertilization in angiosperms results in:
A. a diploid embryo and a diploid endosperm. B. a diploid embryo and a triploid endosperm. C. a triploid embryo and a diploid endosperm. D. a diploid embryo and a haploid endosperm. E. a haploid embryo and a haploid endosperm.
Biology & Microbiology
Genes on the same chromosome are said to show ____________________. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
RNA differs from the DNA because it has ribose as sugar and it has uracil instead of thymine.
Answer the following statement true (T) or false (F)
Biology & Microbiology
A bacterial genus that has waxy mycolic acid in the cell walls is
A. Salmonella. B. Streptococcus. C. Corynebacterium. D. Mycobacterium. E. Mycoplasma.
Biology & Microbiology