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Questions in biology

📝 Answered - Epinephrine and norepinephrine are secreted by the A. adrenal cortex. B. adrenal medulla. C. thyroid. D. parathyroid.

📝 Answered - In which kingdom do all organisms have cells that lack a cell wall? A. plants B. animals C. bacteria

📝 Answered - Which of the following best defines a gene pool? A. the sum of all genetic traits in a population's individuals at a given time B. any movement of genes from one population to another C. any movement of organisms from one environment to another D. the random change in the frequency of an allele in a population

📝 Answered - Amino acids that cannot be produced by the body are called: A. complete B. incomplete C. essential D. nonessential

📝 Answered - 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

📝 Answered - 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.

📝 Answered - Explain how you would improve the following soils for vegetable production: (i) Acid soil (ii) Compact soil

📝 Answered - Producers are the primary living source of energy in a food web.

📝 Answered - 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

📝 Answered - 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