Entries by Daphne Hanson

The primary mechanism of action of organophosphate pesticides

The primary mechanism of action of organophosphate pesticides is the inhibition of carboxyl ester hydrolases, particularly acetylcholinesterase (AChE). AChE is an enzyme that degrades the neurotransmitter acetylcholine (ACh) into choline and acetic acid. A. Explain why this can be lethal to insects. B. How safe a pesticide would this be for humans? Explain

Mechanisms of enzyme function

Briefly outline the cycle by which energy is stored in and released from ATP. Discuss how ATP is critically important to cellular chemical processes. Describe the specific mechanisms of enzyme function. Pick a specific enzyme and describe its function and the importance of that function to life. Discuss how the loss of that enzyme would […]

Describes the cause of ocean acidification

Which of these statements describes the cause of ocean acidification mentioned in the video? Group of answer choices. The increase in wealth generated by industrialists and entrepreneurs since the Industrial Revolution caused an increase in carbon dioxide production.

Lophotrochozoa and phyla classified as Ecdysozoa

Compare the characters that differentiate phyla classified as Lophotrochozoa and phyla classified as Ecdysozoa. What features would help you distinguish between these two? Making a chart would probably be helpful! Describe the characteristics of the major Lophotrochozoan phyla (Platyhelminthes, Annelida, Mollusca).

Characterize patterns of body symmetry

Characterize patterns of body symmetry and the presence or absence of a body cavity in the major lineages of animals. Analyze the phylogenetic tree for animals based on molecular sequence data in terms of the parsimonious distribution of morphological characters in different animal groups.