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Questions in biology

[Terjawab] If a population is in Hardy–Weinberg equilibrium, when is the number of heterozygotes at its maximum? A. When the frequency of dominant alleles is more than the frequency of recessive alleles. B. When the frequency of dominant alleles is equal to the frequency of recessive alleles. C. When the frequency of dominant alleles is less than the frequency of recessive alleles.

[Terjawab] 4. Which pathway represents the flow of electrons during photosynthesis? A. \(\text{H}_2\text{O} \rightarrow \text{Photosystem I} \rightarrow \text{Photosystem II}\) B. \(\text{O}_2 \rightarrow \text{ADP} \rightarrow \text{Calvin Cycle}\) C. \(\text{Photosystem I} \rightarrow \text{Calvin Cycle} \rightarrow \text{NADP}\) D. \(\text{H}_2\text{O} \rightarrow \text{NADP} \rightarrow \text{Calvin Cycle}\) 5. Which process does NOT release energy from glucose? A. Glycolysis B. Photosynthesis C. Fermentation D. Cellular respiration

[Terjawab] Which of the following statements about coral reef preservation efforts is true? A. In order to preserve coral reefs, all aquarium trade in coral reef organisms must end. B. Legislation has had no impact on coral reef preservation efforts. C. Various preservation methods have had some positive impact on coral reef preservation. D. Education of fishermen has eliminated all coral reef loss.

[Terjawab] What is the main function of the circulatory system in multicellular organisms? A. To bring oxygen into the lungs B. To put carbon dioxide into all blood vessels C. To expel waste products from the body D. To transport materials throughout the body

[Terjawab] What kind of pyramid of numbers and pyramid of biomass will be formed in a forest with 75 tigers, 5,000 deer, and 100,000 trees? A. Both pyramids will be upright. B. Both pyramids will be inverted. C. No pyramid can be formed.

[Terjawab] All of the reactions of glucose oxidation that follow glycolysis, and involve the transfer of electrons to their final acceptor, take place in eukaryotic cells in the ___________. A. chloroplasts B. nucleus C. mitochondria D. plasma membrane

[Terjawab] Which scenario most likely reveals an organism lacking the proper reactants for cellular respiration? A. A tree responding to a fungal infection B. A bacteria undergoing cell division C. An exhausted bear D. A failed hunting attempt by a cougar E. A migrating butterfly

[Terjawab] Explain why the size of your muscles is partly an acquired trait and partly dependent on DNA.

[Terjawab] Which of the following is not a function or purpose of the cell membrane? Select one: A. Keep toxins out of a cell B. Provide physical support and protection for the cell C. Maintain equilibrium D. Act as a barrier between two different chemical environments

[Terjawab] A botanist wants to observe the change in the rate of growth of plants compared to the change in the amount of rainfall on randomly selected days. Which one of the following tools would be the best choice for representing this data? A. Histogram B. Line and scatter plot C. Bar chart