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TLS Online TPP Program

#Question id: 2487

All of the following statements describe kinesin-I EXCEPT:

#Unit 2. Cellular Organization

  1. kinesin-I is a (−) end-directed motor.

  2. kinesin-I transports vesicles along microtubules.

  3. kinesin-I binds and hydrolyzes ATP to produce movement.

  4. kinesin-I is composed of two heavy chains and two light chains

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TLS Online TPP Program

#Question id: 13215

#Unit 6. System Physiology – Plant

KCl solutions separated by a membrane in The K+ and Cl– ions will permeate the membrane independently as they diffuse down their respective gradients of electrochemical potential, In biological systems, membranes are usually more permeable to K+ than to Cl–. Therefore, K+ will diffuse out of the cell  faster than Cl–, causing
TLS Online TPP Program

#Question id: 4605

#Unit 11. Evolution and Behavior

Over long periods of time, many cave-dwelling organisms have lost their eyes. Tapeworms have lost their digestive systems. Whales have lost their hind limbs. How can natural selection account for these losses?
TLS Online TPP Program

#Question id: 10209

#Unit 6. System Physiology – Plant

Protection against photodamage is a multilevel process, excited state of chlorophyll is not rapidly quenched by photochemistry it can react with molecular oxygen to form toxic photoproducts such as as singlet oxygen (1 O2*) what can damage if this second line of defense also fails to eliminate the reactive photoproducts?
TLS Online TPP Program

#Question id: 88

#Unit 1. Molecules and their Interaction Relevant to Biology

Anomers can be interconverted ________.
TLS Online TPP Program

#Question id: 5024

#Unit 11. Evolution and Behavior

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?