The carbohydrate tree added to proteins targeted to the primary lysosome is added on an amino acid different from the amino acid where the carbohydrate tree is added to a transmembrane protein.

a. true
b. false


Answer: b. false

Biology & Microbiology

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Most of the organisms that normally inhabit our skin help defend us against infection

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology

Gene families are created when

A. genes duplicate. B. exons converge. C. viral infections occur. D. introns are not removed from the mRNA after transcription. E. both exon convergence and intron splicing.

Biology & Microbiology

A scientist is investigating a hormone response in rose bush stems by removing the apical meristems of the main stems. What is the most likely result of this experiment and what hormone is responsible?  

A.  New apical buds will develop under the influence of auxin. B.  Larger, deeper roots will form under the influence of cytokinin. C.  More leaf buds will appear along the main stems under the influence of auxin. D.  Flowers will turn yellow and fall off under the influence of auxin. E.  Lateral buds will develop under the influence of cytokinin.

Biology & Microbiology

Narrow annual rings in a tree indicate what environmental event?

a. Mild temperatures b. Abundance of sunlight c. Excessive flooding d. Fire went through the community e. Severe drought

Biology & Microbiology