Scin 130 quiz 2 - Study guides, Class notes & Summaries

Question options: adhesion covalent bond solvent surface tension cohesion Hide Feedback Great job. Which type of bond do the hydrogen and oxygen atoms in water form? Question options: van der Waals Interactions polar covalent bonds nonpolar covalent bonds hydrogen bonds Hide Feedback Great job. When referring to pH, an example of something that is alkaline includes what? Question options: water orange juice baking soda stomach acid Hide Feedback Great job.Page 2 An atom...

SCIN 130 quiz 2 Question options: covalent bond solvent surface tension cohesion Hide Feedback Great job. Which type of bond do the hydrogen and oxygen atoms in water form? Q uestion options: van der Waals Interactions polar covalent bonds nonpolar covalent bonds hydrogen bonds Hide Feedback Great job. When referring to pH, an example of something that is alkaline includes what? Question options: water orange juice baking soda stomach acid Hide Feedback Great job. Page 2 An atom that does not co...

SCIN 130 Quiz 6. Question 1 of 31 3.0 Points The community of bacteria in the human body provides benefits EXCEPT?  A. Development of immune system  B. Maintenance of gut  C. Increase in antibiotic resistance  D. Protection from pathogens Feedback:Great job. Question 2 of 31 3.0 Points Why were only anaerobic organisms able to live during the first 2 billion years on Earth?  A. the atmosphere was anoxic  B. the atmosphere was cold  C. the atmosphere was hyper-nitrogenous ...

SCIN 130 Quiz 7 Question 1 What kind of nutrient must be eaten, because it cannot be made by the body? A. auxiliary B.fundamental C.essential D.non-essential Question 2 of 31 The heart is an example of what type of muscle tissue? A.skeletal B.cardiac C.fibrous D.smooth Question 3 of 31 Where does the majority of fat digestion take place? A.small intestines B.stomach C.esophagus D. large intestine E. mouth Question 4 of 31 How are hormone levels controlled? A.negative feedback B.positive feedback...

SCIN 130 Quiz 8 Question 1 of 31 Because the desert has extreme temperatures and a shortage of water, what type of net primary productivity does it have? A.productive B.medium C.high D.low Question 2 of 31 What is a food web that includes decomposers and detritivores called? A.Carnivorous food web B.Grazing food web C.Herbivorous food web D.Detrital food web Question 3 of 31 Because the tropical rainforest has warm temperatures, abundant water, and a year-round growing season, what type of net p...

SCIN 130 Quiz 1 Question 1 of 31 3.0 Points Which is a single cell that lacks membrane bound organelles?  A. Ribosomes  B. Eukaryote  C. Nucleolus  D. Prokaryote Feedback: Great. Question 2 of 31 3.0 Points What is the term for an organisms' ability to maintain constant internal conditions even when environmental conditions change?  A. Centered  B. Homeostasis  C. Equilibrium  D. Equality Feedback: Great. Question 3 of 31 3.0 Points Which statement would be a hypothesis ...

SCIN130 /SCIN 130 Introducton to Biology quiz 4 Quiz 4 Comment:For feedback on the short answer question and lab, please see the specific question. Part 1 of 8 - Part 3: Lab ELF 9.0 Points Q uestion 1 of 31 3.0 Points Which type of variable does not change during an experiment, and serves as a comparison point for all data points? • A. dependent • B. random • C. independent • D. control Feedback:Correct! There has to be one variable in the experiment that researchers compare the results ...

SCIN130/ SCIN 130 Quiz 5 Submissions Question 1 of 31 3.0 Points Which nitrogenous base is present in RNA and not DNA? • A. uracil • B. thymine • C. cytosine • D . adenine • E. guanine Feedback:Great job. Question 2 of 31 3.0 Points How long would the peptide be that is translated from the mRNA sequence: 5’- AUGAUCGAUCACUAA-3’? • A. 5 • B. 3 • C. 2 • D. 1 • E. 4 Feedback:Amino acids are coded using a 3 nucleotide system, so for every 3 nucleotides, there is one amino acid...