Science 1 AJHD 2023

What did Barbara McClintock study to show chromosomes exchange?

• pea plants

• birds on the Galapagos islands

• soy plants

• corn plants

• magnolias

Why were electrodes included in the Urey-Miller experiment apparatus?

• to represent a meteor colliding with Earth

• to speed up the experiment

• to generate the intense heat of Earth's early surface

• to mimic lightning

• to represent a meteor colliding with Earth, to speed up the experiment, to generate the intense heat of Earth's early surface, and to mimic lightning

Who is the Chicago-born scientist who entered the University of Chicago at age 15 and helped discover the shaper of DNA?

• Francis Crick

• Rosalind Franklin

• James Watson

• Linus Pauling

• Hugh Everett

What is the biggest piece of scientific equipment?

• International Space Station

• DSCOVR deep space satellite

• CERN Large Hadron Collider

• SUOMI NPP NASA satellite

• Fermilab's PIP-II Accelerator

Which of the following would likely NOT be found in Harold Urey's lab?

• radioactive material

• moon rocks

• a Nobel Prize

• particle accelerator

• information on the Manhattan Project

What is the oxygen-carrying substance in blood?

• white blood cells

• T cells

• lymphocytes

• hemoglobin

• platelets

What does QED stand for in physics?

• quantum electrodynamics

• quark electromagnetic dimension

• quantum electromagnetic dilation

• qubit electric dynamics

• none of these

In 1953, Linus Pauling proposed that the shape of DNA is a

• single helix

• double helix

• triple helix

• forked ladder

• X-shape

Which of the following is NOT one of the four bases of DNA?

• adenine

• thymine

• guanine

• trinine

• cytosine

What major contribution(s) did Richard Feynman make to science?

• work on the Manhattan Project

• quantum electrodynamics

• code breaking at Bletchley Park

• work on the Manhattan Project and quantum electrodynamics

• quantum electrodynamics and code breaking at Bletchley Park