Numerade

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Which of the following is not a form of "fixed" nitrogen? $$NH_3$$ $$NH_4$$ $$NO_3$$ $$N_2$$ none of the above are fixed forms of nitrogen

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After Gram staining, a Gram-positive organism will stain Select one: a. green b. pink c. red d. blue e. purple Bacterial endospores are Select one: a. reproductive structures b. dormant structures produced by some bacteria for survival purposes c. identical to fungal spores d. much more fragile than vegetative forms of the same bacterial species e. all of these choices are correct Bacteria are one type of prokaryote. What is the "other" domain of prokaryotes? Select one: a. helminths b. Archaea c. viruses d. Eukaryota e. protozoans

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What is "niacin flush"? A condition that develops with niacin deficiency A condition that develops with nicotinic deficiency A condition of low levels of niacin in the blood A pharmacological effect that occurs from taking large doses of supp

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Which statements accurately compare DNA and RNA? Select all that apply. RNA has an OH group on the 3' carbon of its 5-carbon sugar while DNA has a H on the 3' carbon of its 5-carbon sugar. RNA can catalyze chemical reactions like a protein while DNA cannot. The nucleotide monomers in a strand of DNA are held together with covalent bonds while the nucleotide monomers in a strand of RNA are held together with hydrogen bonds. RNA has phosphate groups in its backbone while DNA does not. RNA contains uracil while DNA contains thymine. RNA has an OH group on the 2' carbon of its 5-carbon sugar while DNA has a H on the 2' carbon of its 5-carbon sugar.

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Both polio and hepatitis A are small RNA viruses that belong to this family. Group of answer choices Rhabdovirus Herpesvirus Flavivirus Orthomyxovirus Picornavirus

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Question 1 Compared with adults who commit suicide, teenagers who commit suicide are: more likely to be depressed. more likely to have feelings of hopelessness. more impulsive and have poorer problem-solving skills. more prone to homicide than suicide. 3 pts

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Information campaigns about tobacco hazards and taxes on tobacco are two ways to discourage its use. Which one causes a movement ALONG the demand curve, without making changes to the demand curve itself?

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Question 1 (6 points) Cuticle 1. 1 Spongy Layer 2. 2 Stomata 3. 3

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A new substance evolves -2.3 kJ of heat when 24.3 g it cools from 114.5°C to 19.3°C. What is the specific heat (in J/(g K)) of this substance?

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5) The enable input of a D-type latch is used to a. control the tri-stateable Q output b. control when the Q output equals the D input c. prevent metastability d. initialize the Q output to logic '0' 6) A counter has the count sequence 0, 5, 9, 122, 14, 0, 5, 9,... How many registers does this counter require? a. 6 b. 7 c. 8 d. 122 7) The outputs of a ring counter have a 50% duty cycle. a. TRUE b. FALSE 8) Which of the following is the count sequence of a modulo-5 counter? a. 0, 1, 2, 3, 4, 0, 1, ... b. 0, 1, 2, 3, 4, 5, 0, ... 9) You are using a 54HC160 counter as a modulo-7 counter. What is the output of the counter when the clear input is asserted? a. 8 b. 7 c. 6 d. 5

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tina m.