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Questions in biology

[Terjawab] Amino acids that cannot be produced by the body are called: A. complete B. incomplete C. essential D. nonessential

[Terjawab] Which phrase describes members of the domain Eukarya, but does not describe any members of Bacteria or Archaea? A. are multicellular B. are unicellular C. have a cell membrane

[Terjawab] Select the correct information about lymphatic flow: 1. The abdominal region is where lymph flows with higher pressure. 2. The skeletal muscle relaxation compresses lymphatic vessels (as well as veins). 3. The force of muscular relaxation forces the lymph towards the junction of the jugular and subclavian veins. 4. Lymph flow is also maintained by pressure changes that occur during expiration.

[Terjawab] Explain how you would improve the following soils for vegetable production: (i) Acid soil (ii) Compact soil

[Terjawab] Producers are the primary living source of energy in a food web.

[Terjawab] Which word parts will be used to spell the appropriate term for inflammation of the large intestine? Select all that apply. a. -a b. -itis c. -osis d. gastr/o e. col/o f. enter/o

[Terjawab] I need help quickly with this! Has anyone done this one? If so what did you do to pass it? I can only drag the RNA Nucleotides, but I can’t put it anywhere. Just someone please help and tell me what they did

[Terjawab] *Haylish had a common cold during the 6-month period. Mineral Supplement Study | Group | Dosage | Number of Common Cold Cases | | :---- | :------------ | :-------------------------- | | 1 | $50 mg /$ day | 10 | | 2 | $100 mg /$ day | 6 | | 3 | $150 mg /$ day | 5 | The company claims that the mineral supplement can effectively prevent the common cold. A scientist disputes the claim, saying an error exists in the setup of the groups for the investigation. Which change to the investigation would remove the source of this error? A. Test a fourth group, in which participants do not receive the mineral supplement. B. Test all three groups, with each participant receiving the mineral supplement for 12 months. C. Test only one group, with each participant receiving $200 mg /$ day of the mineral supplement. D. Test only two groups, one with each participant receiving $200 mg /$ day and one with $50 mg /$ day of the mineral supplement.

[Terjawab] Photosynthesis is an example of A. an exothermic reaction. B. an endothermic reaction. C. a reaction that gives off heat. D. a reaction that emits energy.

[Terjawab] Which organelle packages and distributes proteins that are received from the endoplasmic reticulum? A. vacuole B. cytoplasm C. Golgi apparatus D. ribosome