Soil and water chemistry - Study guides, Class notes & Summaries

A virus has been discovered. The virus has no envelope and consists of a helical capsid surrounding its dsDNA genome. During assembly, the pac site of the genome ensures that it is properly packaged by the capsomeres. Which of the following amino acids is/are expected to be on the capsomere domain that interacts with the pac site? A. lysine B. methionine C. glycine D. arginine E. A and D Answer: A and D Explanation: DNA has a negative charge, so positively charged amino acids, such as...

AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/2H Chemistry Paper 2H Mark scheme June 2023. CH4 + 2 O2 → CO2 + 2 H2O 1 AO2 5.7.1.3 Question Answers Extra information Mark AO / Spec. Ref. 01.2 hydrocarbon molecules in petrol have fewer carbon atoms than those in diesel petrol has a lower boiling point (range) than diesel allow converse throughout allow petrol is more flammable than diesel allow petrol is less viscous than diesel 1 1 AO3 5.7.1.3 Question Answers Extra information M...

Honors Chemistry Practice Test Final 1 Exam Questions and Answers 100% Correct A Golf Ball has more mass than a tennis ball because it___. A. Takes up more space B. Contains more matter C. Contains different kinds of matter D. Has a definite composition - Answer- Contains more matter All of the following are physical properties of matter EXCEPT___. A. Mass B. Color C. Boiling Point D. Ability to Rust - Answer- ability to rust Which state of matter is characterized by having an indefi...

Define environmental science - the study of how the natural environment works -how the environment affects us and vice versa What is earth's four main spheres? - lithosphere - hydrosphere - atmosphere - biosphere What is the lithosphere realm of rock What is the hydrosphere realm of water What is the atmosphere realm of air: gases, air, atmosphere what is the biosphere realm of life: living organisms What is a control variable how we measure if a boundary has been crossed Wha...

ENVS 1126 Final Exam | Complete Solutions (Answered) A disproportionately high placement of toxic waste sites in regions of the United States populated by minorities most likely indicates a. a demographic transition. b. environmental racism and justice. c. sustainable development. d. urban "smart growth." With few exceptions, inorganic compounds do not have a. nitrogen-oxygen bonds or carbon-oxygen bonds. b. potassium-sodium bonds or hydrogen-chlorine bonds. c. carbon-hydrogen bonds or carbo...

AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/2H Chemistry Paper 2H Mark scheme June 2023. CH4 + 2 O2 → CO2 + 2 H2O 1 AO2 5.7.1.3 Question Answers Extra information Mark AO / Spec. Ref. 01.2 hydrocarbon molecules in petrol have fewer carbon atoms than those in diesel petrol has a lower boiling point (range) than diesel allow converse throughout allow petrol is more flammable than diesel allow petrol is less viscous than diesel 1 1 AO3 5.7.1.3 Question Answers Extra information M...

ACT Prep Class Master Study Set 89 Questions with Verified Answers Different languages value different things. What does English value? Beauty and sound Courtesy and honor Flexibility and innovation Simplicity and directness - CORRECT ANSWER Simplicity and directness When in doubt look it up. shake it up. take it out. make a guess. - CORRECT ANSWER take it out. The _______answer is usually right. most detailed shortest longest first - CORRECT ANSWER shortest How much of...

Question 1 Correct 1.00 points out of 1.00 Flag question Question text In an ecosystem, energy Select one: a. comes ultimately from bacteria b. cycles along with chemical nutrients c. typically flows from producers through a series of consumers d. typically flows from consumers to producers to decomposers Question 2 Correct 1.00 points out of 1.00 Flag question Question text Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that hierarchy from least in...

What determines whether a given plant is a weed? - ANSWER A weed is any unwanted plant What are the two main goals of weed management? - ANSWER The primary goal is to minimize weed competition and the other main goal is to limit the weed's reproduction in order to manage the weed population in years to come. Distinguish grasses from broadleaf plants and herbaceous from woody plants - ANSWER Grasses are considered monocots, meaning they have a single seed leaf, they also have narrow leaves...

D Aisha wants to conduct an experiment to determine whether sun and shade varieties of the same plant species prefer the same wavelengths of light. She plans to measure rates of photosynthesis. Which design would be best for her experiment? A.1 plant of the sun variety tested under blue light only, and 1 plant of the shade variety tested under blue light only. B.4 plants of the sun variety: 1 tested under blue light, 1 under green, 1 under red, and 1 under yellow light, and 4 plants of the sh...