Biology Concepts and Processes

This video tutorial covers 20 high-yield biology practice questions for the TEAS exam. It includes detailed explanations of mitosis, codons, experimental variables, nucleotide base pairing, macromolecules, chromosomes, protein synthesis, cell types, water properties, cell cycle, and genetic diversity. The tutorial emphasizes understanding key concepts and provides tips for answering related questions effectively.

Which phase of mitosis involves the chromosomes lining up at the cell's equator?

• Interphase

• Metaphase

• Prophase

• Anaphase

What is a codon?

• A type of lipid

• A protein that codes for a gene

• A sequence of three nucleotides that codes for an amino acid

• A carbohydrate molecule

In an experiment, what is the independent variable?

• The variable that remains constant

• The variable that is dependent

• The variable that is measured

• The variable that is changed

Which of the following is a monomer of proteins?

• Fatty acids

• Nucleotides

• Amino acids

• Monosaccharides

What is the hydrophilic part of a phospholipid bilayer?

• Fatty acids

• Proteins

• Glycerol

• Cholesterol

How many chromosomes do humans inherit from each parent?

• 23

• 46

• 12

• 34

In RNA, which base pairs with adenine?

• Thymine

• Guanine

• Cytosine

• Uracil

What is the role of mRNA in protein synthesis?

• Decodes nucleotide sequences

• Transports DNA information to ribosomes

• Creates ribosome structure

• Binds amino acids together

Which of the following is a property of water?

• Insoluble

• Universal solvent

• Low boiling point

• Non-polar

Which type of cell contains a nucleus?

• Archaea

• Bacterial

• Eukaryotic

• Prokaryotic