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Which of the following contain prokaryotic cells?
a. the archaea
b. the protistans
c. the fungi
d. all of the above |
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| The molecule associated with energy transfer in living organisms is... |
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| A community and its physical and chemical environment constitute... |
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| The molecule of inheritance is... |
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Which of the following is not a requirement of all living things:
a. reproduction
b. metabolism
c. adaptation
d. aerobic respiration
e. none of the above |
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| The one-way flow of energy through the biosphere starts with energy from... |
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The scientific name for human is HOMO SAPIENS. HOMO is the genus, SAPIENS is the specie. The scientific way to refer to human is:
a. Homo sapiens
b. Sapiens Homo
c. (italicized) homo Sapiens
d. (italicized) Homo sapiens
e. (italicized) Sapiens homo |
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Definition
| (italicized) Homo sapiens |
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| True or False: Decomposers include certain bacteria and fungi. |
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| True or False: Sexual reproduction results in offspring that are genetically identical to the parent. |
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| The atom of element Phosphorus has 16 neutrons and 15 electrons. What is the atomic number for Phosphorus atom? |
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| Element Helium (He) has atomic number of 2. Do you consider this element reactive or inert? |
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| Atoms gain or lose electrons to form... |
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The normal range of blood pH indicates:
a. 7.3-7.5
b. 5.5-6.3
c. 7.8-8.3
d. above 8.5 |
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Two atoms of oxygen are bonded together by double covalent bond. How many electrons do they share?
a. 2
b. 4
c. 6
d. 5 |
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Term
| True or False: Neutrons are negatively charged. |
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| True or False: Water is a great solvent of polar molecules. |
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| True or False: In a polar covalent bond, electrons are equally shared. |
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| Loss of a protein's normal 3-D shape because of high temperatures or changes in pH is called... |
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| True or False: In a condensation reaction, small molecules come together to make a large molecule. |
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| True or False: Ribose is a 6-carbon monosaccharide. |
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| Building blocks of nucleic acids are... |
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| Building blocks of proteins are... |
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| Building blocks of most lipids are glycerol and... |
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| Building blocks of carbohydrates are... |
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| True or False: If a solution outside of a cell contains a greater concentration of dissolved solutes than the contents of the cell, the solution is said to be hypotonic. |
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| True or False: In active transport, solutes are transported down their concentration gradient. |
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| True or False: Phospholipids contain a hydrophobic head and two hyrdophillic tails. |
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Term
Plants cells, but not animal cells, have:
a. Golgi bodies
b. ER
c. plastids
d. central vacuole
e. c & d |
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Definition
| e. c & d (plastids and central vacuole) |
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| Synthesis of proteins takes place in... |
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| Photosynthesis takes place in... |
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| Synthesis of lipids takes place in... |
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| What organelle modifies, sorts, packages, and ships proteins and lipids? |
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| ___________ provide movement for the cells |
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| Digestion in the cell is done by... |
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What would be the complimentary strand of DNA to the DNA strand below?
DNA (3')A-T-C-G-T-T-G-A-C-A-T-T(5') |
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Definition
| (5')T-A-G-C-A-A-C-T-G-T-A-A(3') |
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| One species' DNA differs from others in its... |
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| DNA replication results in |
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Definition
| two molecules, each with one old strand and one newly assembles strand of nucleotides |
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| What stabilizes the single-stranded DNA and keep the strands apart? |
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| What adds DNA nucleotides to the primer to build the new strand? |
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| What joins Okazaki fragments seals small gaps? |
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Definition
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| What unwinds parental DNA double helix? |
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Definition
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| What produces and adds primers to template strand? |
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Definition
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| Who discovered the double helix structure of DNA? |
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What would be the mRNA transcribed from this DNA sequence and how many amino acids does this mRNA sequence code?
(3')T-A-C-A-T-A-A-G-G-A-A-T-T-C-T-A-C-T(5') |
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Definition
mRNA
(5')A-U-G-U-A-U-U-C-C-U-U-A-A-G-A-U-G-A(3')
5 amino acids |
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| The five-carbon sugar found in RNA is... |
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| The loading of mRNA onto an intact ribosome occurs during... |
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Definition
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Term
| True or False: The enzyme used during transcription is DNA polymerase. |
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Definition
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Term
| True or False: A codon is a double nucleotide on mRNA. |
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Definition
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Term
| In translation, what does initiation do? |
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Definition
| the first tRNA carrying methionine binds ribosome and mRNA |
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Term
| In translation, what does elongation do? |
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Definition
| tRNA molecules carrying amino acids add to the growing polypeptide chain |
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| In translation, what does termination do? |
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| The final product of glycolysis include... |
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Definition
| ...pyruvate molecules and ATP |
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Term
| Oxygen is formed during the... |
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Definition
| ....non-cyclic pathway of ATP formation |
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| A cell's ability to acquire energy and use it to, store, build, or break apart substances is called... |
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Definition
| ...speed up metabolic reactions and lower the activation energy |
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| True or False: In the non-cyclic pathway of the light-dependent stage of photosynthesis, two photosystems are involved. |
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Definition
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| True or False: Glucose is formed in the light-dependent stage of photosynthesis |
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| True or False: The starting molecule in glycolysis is pyruvate |
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Definition
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| True or False: Krebs cycle of aerobic respiration takes place in the cytoplasm |
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Definition
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| True or False: CO2 is released during Krebs (citric acid) cycle. |
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Definition
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| True or False: Light-independent stage of photosynthesis takes place in the grana. |
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| True or False: In exergonic reactions, energy is released |
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