BIOLOGY SCIENTIFIC METHOD CELLS HOMEOSTASIS Chemistry A Cells B CHEMISTRY B

100 points The last step of the scientific method draw conclusions

200 points The type of graph used to compare 2 groups Bar graph

300 points weight An experiment was performed to determine how junk food affected the weight of mice. What is the dependent variable

400 points 4 Using the following numbers, what is the mode 2, 3, 4, 4, 4, 6, 8 10

500 points Which statement best describes a controlled experiment? Tests the effect of a single independent variable Shows the effect of a dependent variable on an independent variable

100 points What organelle is labeled X endoplasmic reticulum

200 points Which plant organelle is involved in making sugar from carbon dioxide and water (photosynthesis). Chloroplast

300 points In what way does the rough ER and golgi apparatus work together in a cell. Does it package proteins into vesicles or break down damaged macromolecules? packages protein molecules into vesicles

400 points All cells store energy in molecules of what? ATP

500 points What is the correct order of cellular organization? Use the following words Cells, organism, organ, tissues, organ systems cells, tissues, organs, organ systems, organism

100 points Carbon dioxide and oxygen move freely across the cell membrane. What determines in which direction they will move? concentration gradient

200 points Which form of cell transport involves energy? Active or Passive Active

300 points In what type of solution does water move out of the cell, causing the cell to shrink? Hypertonic

400 points The following illustration shows which process in the body. A feedback system or an enzyme pathway? feedback mechanism

500 points Nerve cells are essential to homeostasis because they allow what? Cell communication

100 points What is one effect of the low density of frozen water in a lake? Ice floats, protects organisms

200 points Which property of water allows it to form drops? Cohesion

300 points In what type of bond are electrons shared? Covalent

400 points What are the three components of atoms? Protons, neutrons, electrons

500 points The speed of chemical reactions is increased by what ATP or enzymes enzymes

100 points Which characteristic is shared by ALL Prokaryotes and Eukaryotes? Ability to store hereditary information Of Use organelles to control cell processes Ability to store hereditary information

200 points Which two structures are common to both prokaryotes and eukaryotes Cell wall and nucleus or plasma membrane and cytoplasm plasma membrane and cytoplasm

300 points Photosynthesis occurs in the chloroplast of plants, what is the chemical equation for that reaction Water + Co2 → Sugar + O2

400 points Enzymes are important for many cellular processes, If an enzyme encounters extreme pH or temperature how are those processes affected? Changes shape and cannot function

500 points Cells require the nutrients found in food that our body breaks down. If a molecule of protein is broken down what would we have? Amino Acids

100 points Which pair represents the correct building block with its product? Starch: glucose Amino acids: proteins Dna: Starch

200 points What protein is necessary to speed up chemical reactions needed to live? enzymes

300 points The function of nucleic acids is to ? dna/rna Store hereditary information

400 points What is this biomolecule? carbohydrate

500 points dehydration synthesis This reaction shows a polymer Being formed from a monomer What is this type of reaction called