BIOLOGY Flashcards
Transcription is:
synthesizing mRNA from DNA
In his genetic experiments, Mendel used:
pea plants
Which of the following makes it possible to predict genotype and phenotype of the offspring of sexual reproduction?
Punnett square
In the hierarchic system of classification, which of the following is least inclusive?
Family
Which of the following best describes the molecular structure of water?
Two hydrogen atoms covalently bonded to one oxygen atom
Which of the following about carbohydrates is incorrect?
Which of the following about carbohydrates is incorrect?
Which of the following is a lipid that is a component of cellular membranes and a precursor to significant hormones and drugs?
Steroids
Which of the following correctly identifies the difference between saturated and unsaturated fats?
Unsaturated fats contain one or more double bonds in their hydrocarbon tail, while saturated fats contain no double bonds.
Polymers of which of the following make up proteins?
Amino acids
Which molecules are considered the most important in biology?
Carbohydrates, lipids, proteins, and nucleic acids
The sum of all chemical reactions that occur in an organism is:
Metabolism
How are plant cells different from animal cells?
Plant cells have a cell wall; Animal cells do not have a cell wall
Where in the cell does active transport take place?
Plasma membrane
Which organelle is correctly paired with its function?
Nucleus – stores DNA
Which of the following microtubules can be used to move the cell?
Flagella