Macromolecules & Water
List the 4 macromolecules
What is protein, nucleic acid, carbohydrate, lipid?
The sequence of DNA below is part of a gene. How many amino acids are coded for by this segment? 5' ATCAGCGCTGGC 3'
What is 4?
What invention from the 17th century allowed for the development of modern cell theory?
What is light microscope?
What are the reactants of photosynthesis?
What is water, sunlight, carbon dioxide?
This process creates somatic cells.
What is mitosis?
What biomolecule is the main source of energy for organisms?
Carbohydrates!
Enzymes are involved in almost every chemical reaction in the body. What environmental factors affect an enzyme?
What is temperature and pH?
What 3 organelles are found in plants but not in animal cells?
What is chloroplast, central vacuole, cell wall?
What organelle does cellular respiration occur in the cell and photosynthesis for plant cells?
What is mitochondria and chloroplast?
Which type of reproduction leads to increased genetic variation on a population?
What is sexual reproduction?
Resistance to antibiotics results from variations in the genetic code of Streptococcus pneumoniae. Which type of molecule encodes genetic information in Streptococcus pneumoniae?
What is Nucleic Acid?
If this is the base sequence of a strand of DNA (ATGCCT) what would be the base sequence of the complimentary strand of DNA?
What is TACGGA?
When Streptococcus pneumoniae are exposed to an antibiotic, the bacteria try to pump the antibiotic out of their cells going against the concentration gradient. What type of transport is most likely used by the Streptococcus pneumoniae to pump the antibiotic OUT of their cells?
What is active transport (exocytosis)?
If a plant died from lack of food, which basic part of the plant (roots, stem, leaves) is most likely missing or damaged?
What is leaves?
During cell cycle sister chromatids are pulled apart during
What is anaphase II?
Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy?
What is LIPID?
Many of the proteins in the human body are enzymes that catalyze chemical reactions. What is the relationship between enzymes and activation energy?
What is enzymes decrease the activation energy?
Name the 3 parts of the cell theory.
What is:
1) all cells come from pre-existing cells,
2) all living organisms are composed of one or more cells, &
3) cells are the basic unit of life.
Which process takes place in the presence of oxygen and produces nearly 20 times as much as ATP as glycolysis alone?
What is aerobic respiration?
Which row in the chart below indicates the correct process for each event indicated?
ROW EGG SPERM EMBRYO
1 Mitosis Mitosis Meiosis
2 Mitosis Meiosis Mitosis
3 Meiosis Mitosis Meiosis
4 Meiosis Meiosis Mitosis
What is 4?
Baby food manufacturers sometimes use proteases in their products. Proteases catalyze the breakdown of the proteins in these foods, making digestion easier for infants. Name the biomolecule.
What are PROTEINS?
If 20% of a DNA sample is made up of thymine, T, what percentage of the sample is made up of cytosine, C?
What is 30%?
A beaker is divided into two halves, A & B, by a membrane that is freely permeable to the water. Side A is filled with a solution of 99% glucose, while side B is filled with a 1% glucose. Predict what would happen to side A after a few hours.
What is the number of water molecules will increase (go to side A- high to low via osmosis)?
How are photosynthesis & cellular respiration related & different?
The products of cellular respiration are the reactants of photosynthesis.
The products of photosynthesis are the reactants of cell respiration.
PHOTO- uses light energy/makes glucose
RESP.- produces ATP/breaks down glucose
An unknown organism has 50 chromosomes in a skin cell, how many chromosomes should be present in the unfertilized egg cell?
What is 25?