Plant species produce a which type of  defensive proteins that bind to carbohydrates or carbohydrate-containing proteins. After being ingested by an herbivore, that bind to the epithelial cells lining the digestive tract and interfere with nutrient absorption

TLS Online TPP Program

#Question id: 5021

#Unit 11. Evolution and Behavior

Most dinosaurs and pterosaurs become extinct at the close of the __________ era.

TLS Online TPP Program

#Question id: 4161

#Unit 3. Fundamental Processes

The link between an activated amino acid and tRNA is an __ bond between the __ of the amino acid and a hydroxyl group of the tRNA.

TLS Online TPP Program

#Question id: 4725

#Unit 8. Inheritance Biology

Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?

TLS Online TPP Program

#Question id: 4391

#Unit 3. Fundamental Processes

What family of proteins plays an essential role in the repression of genes that help to direct the formation of specific tissues and organs in a developing embryo?

TLS Online TPP Program

#Question id: 665

#Unit 1. Molecules and their Interaction Relevant to Biology

Which statement is not true about the peptide bond?