Which one of the following proteins is a large actin-binding protein located just inside the sarcolemma of skeletal muscle fibers, and is involved in the functional organization of myofibrils: Troponon b. Dystrophin c. Tropomyosin d. a-actinin e. Titin

Is a hamster and guinea pig part of the same species ?

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass