Biology 2023 midterm study-guide

What is essential for life?

• helium

• carbon

• carbohydrates

• nucleic acids

what causes evolution

• altered genes

• wounds

• mutations

• diseases

What is the monomer of proteins

• fatty acids

• amino acids

• nucleotides

• monosaccharides

what is the smallest living unit

• organs

• molecules

• cells

• DNA

what characteristics does DNA have

• Double stranded

• single stranded

• codes for Amino Acids

• Stores genetic information

• thymine

what characteristics belong to RNA

• single stranded

• Directly codes for amino acids

• Double stranded

• Uracil

• Thymine

Protein synthesis steps (first step ,second step)

what can a mutation do to a protein

• bond them together

• cause the protein to malfunction

• not be produced

• cause it to grow

• have no effect

what are the characteristics of Mitosis

• 2 identical daughter cells

• somatic cells

• diploid

• growth and development

• all of the above

what are the characteristics of meiosis

• germ cells

• 4 haploid daughter cells

• chromosome number is halved

• genetic variation

• all of the above