A student is studying cotranslational import into the ER lumen in a cell-free system. What would be the expected result if the student were to replace all of the GTP in the system with a nonhydrolyzable analog of GTP?

A) The SRP/SRP receptor complex would never allow translation to resume.
B) The SRP would remain bound to the SRP receptor on the ER surface.
C) The ribosome would never dock with the ribosome receptor on the ER surface.
D) The SRP would never bind to the SRP receptor.

How can you approximate the number of calories required to keep you in energy balance?

Sea levels are rising due to climate change while increasing numbers of people are moving into coastal areas. to accommodate more people, there has been increased construction of beachfront resorts and condominiums. how is this impacting sea turtle numbers and biodiversity and why? a. the increased human population in coastal areas has meant that more food is available to the turtles (e.g., dropped food, waste from restaurants), which has led to an increase in the numbers and diversity of sea turtles. b. there has been very little change in the numbers and biodiversity of sea turtles because the planet is so vast that they can simply relocate to less crowded beaches. c. this has resulted in a decrease in numbers and diversity of sea turtles because it is restricting available nesting sites, and hence reproduction. d. this has resulted in an increase in numbers and diversity of sea turtles because people are around to protect them from natural predators.

Which of the following is not a defining characteristic of plants?