Characteristics of life
Name 6 out of the 8 characteristics of life
Reproduction, evolution, DNA, grow/development, homeostasis, stimuli, adaptation, cells
What type of transport moves molecules from high to low without energy and a protein?
Diffusion
Plants
What phase of the cell cycle is the longest?
G1
What are the three things that make up a nucleotide?
Phosphate, sugar, base
Adhesion
What type of transport uses energy and protein to move substances from low to high concentration?
Protein pumps
What is the purpose of photosynthesis?
For plants to make food
Name the steps of the cell cycle in order (there are 5 steps)
G1, S, G2, Mitosis, Cytokinesis
Megan realized that some cells were struggling to convert DNA into mRNA and therefore no protein could be made. What enzyme may be malfunctioning?
RNA polymerase
Mrs. Copsey decided to study 31 hours for a college physics test one day, and only 2 hours for a college biochemistry test. She scored higher on the biochemistry test then the physics test. What is the independent variable in this situation?
Hours studied
What active process takes things into the cell by means of infolding?
Endocytosis
Where does cellular respiration occur?
Mitochondria
What phase of mitosis is represented by the chromosomes separating away from each other?
Anaphase
During translation, what structure helps build the protein by choosing the correct amino acid based on its anticodon?
tRNA
LeRoy began to fill very light-headed and weak after not eating for 8 hours. What characteristic of life is not functioning properly?
Homeostasis
Side A has more solute comparted to side B in a beaker. Which side is hypertonic and which side will water move if osmosis is occurring?
Side A; Side A
What is the formula for cellular respiration?
Glucose + oxygen = carbon dioxide + water + ATP
How is cytokinesis different between plants and animals?
Plants form a cell plate
What part of the DNA are we using when we need to make a protein?
A gene
What are the four macromolecules and what are their monomers?
Carbs - monosaccharides
Lipids - glycerol and fa
Nucleic acid - nucleotides
Protein - amino acids
A gummy bear was placed in a solution with 0.9% salt concentration. The gummy bear had a 0.8% salt concentration. Will the gummy bear swell or shrink?
Shrink
What are the three steps of cellular respiration and which one produces the most energy?
Glycolysis, krebs cycle, electron transport; electron transport
What process should occur if we have old, worn out cells and what would happen if this process did not occur?
Apoptosis; cancer
What is the start codon for mRNA during translation? And what would be the anticodon?
AUG; UAC