Answers edited by hsk

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• How many ways can carbon dioxide return to the atmosphere?
  
• Why can't ions pass through the lipid bilayer?
  
• What are the basic building blocks of proteins, lipids, and polysaccharides?
  
• Question #acef3
  
• What are some pros and cons of using wind energy?
  
• Question #064b2
  
• Question #5e03a
  
• What is nitrogen fixation? What does it mean for something to be fixated?
  
• Question #04d9e
  
• What are some real life examples of diffusion?
  
• What are the functions of the following proteins: albumin, keratin, myosin, globulin, cytochromes, insulin, and myoglobin?
  
• Under extreme environmental conditions, such as temperature or pH, proteins may lose their three-dimensional shape. What is this called?
  
• Question #c4c45
  
• Question #d2af3
  
• What makes one person's blood different from someone else's?
  
• If a polymer is made of ten monomers, how many water molecules will be needed to break all the bonds? Why?
  
• If bacteria can act as multicellular organisms, why are they classified as prokaryotes?
  
• Why are genetically modified foods good?
  
• What is the function of endospore in some bacteria?
  
• What is the difference between natural gas and petroleum gas?
  
• What molecules prevent cell membranes from dissolving?
  
• Does a paramecium have a cell membrane?
  
• Explain why AT pairs are easier to pull apart than GC pairs during the unwinding process?
  
• Question #a23e3
  
• How would you describe the movement of energy in an ecosystem?
  
• Define mitosis, meiosis, cytokinesis and chromosome?
  
• What monomers are proteins made of? What is the structure of the monomer that makes up a protein?
  
• What happens if you don't have enough potassium? And what are the micro and macro nutrients in human and plant nutrition?
  
• What is epigenetics?
  
• Is there more energy in one molecule of ATP or on molecule of sugar?
  
• How are oxygen and ozone alike?
  
• How do pili help bacteria?
  
• How does the structure of RBC, WBC, and platelets relate to the function of these cells?
  
• Question #2ec51
  
• Question #2eaf7
  
• During non-growth periods of the cell cycle, DNA exists as?
  
• Question #16b4b
  
• What is an active site?
  
• What process occurs in the mitochondria?
  
• What is the cell cycle?
  
• What does smooth endoplasmic reticulum produce?
  
• Question #6e65e
  
• How do plants relate to the nitrogen cycle?
  
• Question #9a6ed
  
• Question #d7efe
  
• Question #5dac9
  
• How does cancer arise from improper regulation of the cell cycle?
  
• Question #5ea08
  
• How is air taken directly to the muscles in a grasshopper?
  
• What are the patterns of reproduction in animals?
  
• What are the three parts of a nucleotide?
  
• If I have a sample of bacteria, how do I figure out what the species is?
  
• What are some examples of models about the human body?
  
• How does the ABC Model of Plant Development work? What are A genes, B genes, and C genes?
  
• How can chromosomes be damaged?
  
• Question #c590c
  
• Question #d79c6
  
• What are some examples of how energy is used in metabolic pathways?
  
• What is the difference between prokaryotic genes, eukaryotic genes and operon?
  
• Adenine, guanine, cytosine, and thymine are the four nitrogenous bases present in the DNA of all organisms. Which scientist discovered these bases?
  
• How does atp change structure when releasing energy?
  
• Gene is heterozygous type B and Molly is homozygous B blood. What are all the possible blood types of their future children? Write it in genotype and phenotype percentages
  
• Question #618fe
  
• Question #24787
  
• What is a diploid organism?
  
• How can I make a 3-D stomach model?