Which of the Following Statements Accurately Describes the Differences Between

question 57

Multiple Choice

Which of the following statements accurately describes the differences between DNA replication in prokaryotes and DNA replication in eukaryotes?

• A) Prokaryotic chromosomes have histones, whereas eukaryotic chromosomes do not.
• B) Prokaryotic chromosomes have a single origin of replication, whereas eukaryotic chromosomes have many.
• C) The rate of elongation during DNA replication is slower in prokaryotes than in eukaryotes.
• D) Prokaryotes produce Okazaki fragments during DNA replication, but eukaryotes do not.

---

Definitions:

Muscle Fiber

The cylindrical, multinucleate cells that make up skeletal muscles, responsible for contracting to produce movement.

Myofibril

Within a muscle fiber, a threadlike array of proteins organized as a series of sarcomeres (contractile units).

Sarcomere

Contractile unit of muscle; an array of actin and myosin filaments arranged in parallel and bounded on either end by an array of cytoskeletal elements (a Z line).

Red Muscle Fibers

Muscle fibers with high myoglobin content and mitochondria, adapted for endurance and sustained activity by aerobic respiration.