_________________ Months After Conception,the Fetus Is About 3 Inches Long

question 109

Multiple Choice

_________________ months after conception,the fetus is about 3 inches long and weighs about 1 ounce.It has become active: moving its arms and legs,opening and closing its mouth,and moving its head.

• A) Two
• B) Three
• C) Four
• D) Five

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Definitions:

Acetyl-CoA

A molecule involved in metabolism, serving as a key intermediate in several biochemical reactions, including the synthesis and oxidation of fatty acids.

ATP Synthases

A complex of enzymes found in the mitochondria and chloroplasts that produce ATP, the primary energy carrier in cells, using a proton gradient.

Mitochondrial Inner Membrane

The innermost membrane of the mitochondria, critical for energy production through the electron transport chain and ATP synthesis.

Hydrogen Ions

Positively charged ions (protons) formed when hydrogen atoms lose their electrons. They play key roles in chemical reactions and pH balance.