Galaxy Peculiar Velocities Are Typically About 300 Km/s

question 95

Multiple Choice

Galaxy peculiar velocities are typically about 300 km/s.How far away do you have to look in order to see recessional velocities that are 10 times this peculiar velocity? Note that the Hubble constant has a value of 70 km/s/Mpc.

• A) 12 Mpc
• B) 25 Mly
• C) 37 Mpc
• D) 43 Mpc
• E) 52 Mpc

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Definitions:

Pyrimidines

One of the two types of nitrogenous bases found in nucleic acids, characterized by a single ring structure, and includes cytosine, thymine (DNA only), and uracil (RNA only).

Semiconservative Replication

The process by which DNA duplicates itself, where each new DNA molecule consists of one old strand and one newly synthesized strand.

Parental Strand

The original strand of DNA that serves as a template for the production of its counterpart in DNA replication, ensuring genetic information is accurately passed on.

Adenine

One of the four nucleotide bases found in DNA and RNA, which pairs with thymine in DNA or uracil in RNA.