B cells and T cells cannot design and build antibodies or T-cell receptors to fit specific invading antigens

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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Can you inherit physical traits that your parents acquired during their lifetime?

A) No B) Yes C) Only if it improves survivability D) Only if it improves reproductive success

Biology & Microbiology

Hydrogen bonds are stronger then covalent bonds

Indicate whether the statement is true or false

Biology & Microbiology

The substrate in the Simmon's Citrate Agar is

A. ammonium citrate B. potassium citrate C. ferric citrate D. ferrous citrate E. sodium citrate

Biology & Microbiology

Andrew is studying bone development and calcium absorption in elephants. Which vitamin is

likely an important component of his study?

a. vitamin D b. vitamin A c. vitamin K d. vitamin B

Biology & Microbiology