Life Science & Biology Study Guide

What is the result of a heterozygous red and white flower cross?

• 50% pink offspring (incomplete dominance)

• 100% red offspring

• 100% white offspring

• 25% red and 75% white offspring

What is the function of the nucleus?

• Produces energy for the cell.

• Stores DNA and controls cell activities.

• Transports nutrients within the cell.

• Synthesizes proteins for the cell.

What are the characteristics of life?

• Cells, Organization, Energy Use & Metabolism, Homeostasis, Growth & Development, Reproduction, Response to Stimuli, Adaptation & Evolution.

• Photosynthesis, Respiration, Circulation, Excretion.

• Movement, Sensitivity, Growth, Reproduction.

• Nutrition, Respiration, Excretion, Reproduction.

What is codominance in genetics?

• One allele is completely dominant over the other.

• Both alleles are fully expressed.

• One allele is recessive while the other is dominant.

• Neither allele is expressed.

What does the Cell Theory state?

• All living things are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells.

• All living things are made of tissues, tissues are the basic unit of life, and all tissues come from pre-existing tissues.

• All living things are made of organs, organs are the basic unit of life, and all organs come from pre-existing organs.

• All living things are made of molecules, molecules are the basic unit of life, and all molecules come from pre-existing molecules.

What is the function of the mitochondria?

• Mitochondria are responsible for protein synthesis.

• Mitochondria are the powerhouse of the cell, generating ATP through cellular respiration.

• Mitochondria help in the detoxification of harmful substances.

• Mitochondria are involved in the storage of genetic information.

What is the difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells have a nucleus and membrane-bound organelles, while eukaryotic cells do not.

• Prokaryotic cells are larger than eukaryotic cells.

• Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

• Prokaryotic cells can perform photosynthesis, while eukaryotic cells cannot.

What are the steps of cellular respiration?

• Glycolysis, Krebs Cycle, Electron Transport Chain

• Photosynthesis, Calvin Cycle, Glycolysis

• Fermentation, Krebs Cycle, Glycolysis

• Glycolysis, Lactic Acid Cycle, Electron Transport Chain

What is cancer in relation to cell division?

• Uncontrolled cell division due to checkpoint failure.

• Controlled cell division due to genetic mutation.

• Normal cell division with no abnormalities.

• Cell division that occurs only in specific tissues.

What is the role of ribosomes in a cell?

• Ribosomes are responsible for energy production.

• Ribosomes are responsible for protein synthesis.

• Ribosomes are responsible for DNA replication.

• Ribosomes are responsible for cell division.