Tissues present during organ development that are not found in the fully formed organ are removed by ____
a. apoptosis only
b. differentiation only
c. induction only
d. apoptosis and differentiation
e. apoptosis, differentiation, and induction
ANSWER: a
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New roots can only form from existing root tissue
A. true B. false
A polylinker is a:
A. synthetic DNA fragment that contains multiple restriction enzyme sites. B. synthetic DNA fragment inserted into a vector that allows replication of the vector in the host cell. C. DNA sequence that allows for selection of cells that contain the vector. D. molecule used to ligate DNA fragments together. E. synthetic DNA fragment used in colony hybridization to visualize colonies that contain the DNA of interest.
Water is capable of dissolving many substances including salt and sugar. Water can be described as which of the following?
a. solute b. solution c. solvent d. ionic compound
The nucleolus is a highly active region of the nucleus that is the site of ribosomal synthesis.
Answer the following statement true (T) or false (F)