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Biology Questions
BIOLOGY
MIDDLE SCHOOL
Explain how competition could limit the size of a bird population
BIOLOGY
MIDDLE SCHOOL
The heat from the Sun must pass through the vacuum of space before it reaches the Earth. Which process is illustrated in this example?a.Inductionb.radiationc.Conductiond.convection
BIOLOGY
HIGH SCHOOL
What process signals the end of one cycle and the beginning of another in the menstrual cycle
BIOLOGY
HIGH SCHOOL
A complete circuit contains two parallel-connected devices and a generator for providing the electromotive force. The resistance of the first device is 12 ohms, the resistance of the second device is 4 ohms, and the voltage developed by the generator is 40 V. What is the magnitude of the current flowing through the first device?
BIOLOGY
HIGH SCHOOL
An animal that hides under a rock to avoid predators is responding to a(n) _____ stimulus.
BIOLOGY
HIGH SCHOOL
Which of the following levels is the least inclusive, smallest, and most specific of the choices? A. Kingdom B. Order C. Family D. Phylum
BIOLOGY
HIGH SCHOOL
Which nucleic acid moves the code for protein synthesis from the nucleus to the ribosomes?
BIOLOGY
HIGH SCHOOL
Which form of natural selection on polygenic traits results in the creation of two distinct phenotypes? A. Artificial selectionB. Disruptive selectionC. Directional selectionD. Stabilizing selection
BIOLOGY
HIGH SCHOOL
Plants have a cell wall made of cellulose. What is the function of the cell wall in plants? A) The cell wall controls division of the cell. B) The cell wall provides structure to the cell. C) The cell wall controls the functions of the cell. D) The cell wall manufactures proteins for the cell.
BIOLOGY
HIGH SCHOOL
A codon is made up ofA. a two-nucleotide sequence. B. a three-nucleotide sequence. C. a four-nucleotide sequence. D. a five-nucleotide sequence.
BIOLOGY
HIGH SCHOOL
Bacteria that are shaped like rods are called?A. cocciB. spirilliC. bacilliD. filamentous
BIOLOGY
HIGH SCHOOL
What is an ecological system consisting of all of its biotic and abiotic factors? a. community b. ecosystem c. habitat d. pure culture
BIOLOGY
HIGH SCHOOL
Which part of the amniotic egg stores the waste products produced by the. embryo?
BIOLOGY
HIGH SCHOOL
9. Which of the following adaptations is not used to enable movement in protists?
BIOLOGY
HIGH SCHOOL
Which of these processes is responsible for generating the most ATP within cellular respiration?A. The electron transport chainB. GlycolysisC. The breakdown of glucose into pyruvic acidD. Krebs cycle
BIOLOGY
HIGH SCHOOL
What do you predict would happen if hydrogen bonds formed between any two nitrogenous bases in DNA?DNA replication would happen much more quickly.DNA replication would happen at a slower rate.Fewer mutations would occur during DNA replication.Identical copies of the original DNA would not be formed.
BIOLOGY
HIGH SCHOOL
Darwin's explanation for evolution was dependent on which scientific concept?A: The ability of organisms to learn Strike B: The significance of social behaviors to survival Strike C:The existence of variations in a population D: The relationship between size and survival please help
BIOLOGY
HIGH SCHOOL
A single strand of DNA contains the following nine nucleotides in this order: ACT TAT GGA. What sequence of bases will be present on the complementary strand of DNA?
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