topic 1.5: origin of cells

Which of the following is key process involved in abiogenesis?

• A. Formation of cell walls

• B. Cellular respiration

• C. Assembly of organic molecules into complex polymers

• Photosynthesis

What is the significance of the Miller-Urey experiment?

• It demonstrated that cells can arise from non-living materials

• It provided evidence for the law of biogenesis

• It showed that a reducing atmosphere is necessary for life to exist

• It produced complex organic molecules from simple inorganic compounds

Banded iron formations (BIFs) are important because they:

• Represent the earliest know evidence of life on earth

• Are commonly found in rock that is younger than 1.8 billion years

• Formed from the oxidation of iron by photosynthetic organisms

• Indicate when photosynthetic organisms first evolved on earth

Which of the following is true about the law of biogenesis?

• It states that cells can only arise from pre-existing cells

• It was demonstrated by the Miller-Urey experiment

• It explains how simple organic molecules can form complex polymers

• It is no longer considered valid by modern scientists

What is a reducing atmosphere?

• An atmosphere with high levels of oxygen

• An atmosphere with low levels of carbon dioxide

• An atmosphere with no oxygen levels

• An atmosphere with high levels of nitrogen

The formation of living cells from non-living materials is known as:

• Biogenesis

• Abiogenesis

• Polymerzation

• Photosynthesis

Which of the following is NOT a key process involved in abiogenesis?

• Non-living synthesis of simple organic molecules

• Assembly of organic molecules into complex polymers

• Formation of polymers into cells

• Development of cellular respiration

Banded iron formations (BIFs) are formed from the oxidation of:

• Carbon dioxide

• Nitrogen

• Iron

• Oxygen

Tags

NGSS.HS-ESS2-1

Which of the following is necessary condition for abiogenesis to occur?

• A high concentration of oxygen

• Low temperatures

• A reducing atmosphere

• A high concentration of carbon dioxide

The law of biogenesis was determined by:

• Charles Darwin

• Louis Pasteur

• Gregor Mendel

• Alfred Russel Wallace