Keystone I

Which of the following statements is NOT a characteristic of prokaryotic cells?

• They are smaller and less complex than eukaryotic cells
• They have a large surface are to volume ratio than eukaryotic cells
• They contain ribosomes that function in protein synthesis
• Their genetic material is contained within a membrane bound nucleus

All living organisms share many characteristics necessary for life. Which of the following characteristics are common to both prokaryotes and eukaryotes?

• Have cells arranged into complex organ structures
• Can sexually reproduce to produce unique offspring
• Must obtain and use energy for life processes
• Can use abiotic factors to make their own food

When a person exercises, small blood vessels near the surface of the skin increase in diameter, allowing the body to be cooled. Which characteristic of life does this best illustrate?

• living things change as the grow and develop
• Living things are made of one or more cells
• Living things maintain homeostasis
• Living things adapt to their environment

Tags

NGSS.HS-LS1-3

Which two features are common to both prokaryotes and eukaryotes?

• cell wall and plasma membrane
• DNA and plasma membrane
• Mitochondria and cytoplasm
• Cell wall and nucleus

DNA consists of repeating subunits called

• nucleotides
• amino acids
• fatty acids
• monosaccharides

What base is unique to DNA?

• thymine
• uracil
• cytosine
• guanine

All nucleotides of DNA and RNA contain

• uracil
• thymine
• deoxyribose
• phosphate group

DNA is in the shape of a 

• double helix
• clover leaf
• single strand
• ice cream cone

What type of RNA carries genetic info from the nucleus to ribosomes?

• mRNA
• tRNA
• rRNA
• snRNA

Chromosomes split during ___ of mitosis

• anaphase
• metaphase
• prophase
• telophase