The long extension of a cell that can propel a cell forward by whipping back and forth (such as human sperm) is called a ________
A) vesicle
B) flagellum
C) pilus
D) cilium
B
Biology & Microbiology
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The openings in leaves that function to exchange gases are called ____
a. cuticles b. stomata
c. guard cells d. pits e. pores
Biology & Microbiology
In radishes, long or round are homozygous forms of an incompletely dominant gene, and oval is the phenotype of the
heterozygote. If a long radish is crossed with a round radish, give the genotypic and phenotypic ratios of the F2 generation. What will be an ideal response?
Biology & Microbiology
Is it possible to be a "carrier" for Huntington's Disease (someone who will never develop the disorder but capable of passing the allele to ones offspring)?
a. Yes b. No
Biology & Microbiology
Which of the following molecules does not act as a second messenger?
a. protein kinase b. IP3 c. DAG d. calcium ions e. cyclic AMP
Biology & Microbiology