Answer the question using the accompanying figure. The structures labeled "4" are ____

a. trichocysts
b. cilia
c. flagella
d. pili
e. pellicles


ANSWER: b

Biology & Microbiology

You might also like to view...

The region of DNA sequences before the start of a gene is often called the promoter. One type of promoter is called the TATA box. Many species' promoters are TATA boxes or a variation of the TATA box

Many species' promoters are TATA boxes or a variation of the TATA box. DNA sequences that are similar in different organisms are called ____ sequences. Fill in the blank with the appropriate word.

Biology & Microbiology

Which mineral may contribute to high blood pressure?

a. potassium b. calcium c. sodium d. iron e. iodine

Biology & Microbiology

The first photosynthetic organisms to obtain hydrogen by splitting water were the cyanobacteria

______________ Indicate whether the statement is true or false.

Biology & Microbiology

In a single sodium-potassium pump cycle, ATP is used with the result that

A. 3 sodium ions enter and 2 potassium ions leave. B. 2 sodium ion enters and 1 potassium ion leaves. C. 3 sodium ions leave and 2 potassium ions enter. D. sodium and potassium ions enter and water leaves. E. 2 sodium ion leaves and 1 potassium ion enters.

Biology & Microbiology