Scin 130 quiz 1 - Study guides, Class notes & Summaries

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...

Part 1 of 7 - Part 1: Text Material 27.0 Points 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...

Part 1 of 7 - Part 1: Text Material 27.0 Points Question 1 of 31 3.0 Points What is an example of a response to stimuli in a living organism? • A. A plant bending towards the sun • B. A bacteria taking up nutrients from the soil • C. A bear hibernating in the winter • D. A fungi crawling away from a person Feedback:Great. Question 2 of 31 3.0 Points Which statement would be a hypothesis using the scientific method? • A. If my sprinklers are not ...

SCIN 130 week 1 quiz. Questions With Answers.

Part 1 of 7 - Part 1: Text Material 27.0 Points 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 SCIN130 Week 1 Quiz.  B. Homeostasis  C. Equilibrium  D. Equality Feed...

SCIN 130 week 3 quiz. Questions With Answers.Question 1 of 31 3.0 Points Which structure is responsible making ATP, the cell’s main energy-carrying molecule?  A. chloroplasts  B. mitochondria  C. ribosomes  D. peroxisomes Feedback: Great job. Question 2 of 31 3.0 Points The unified cell theory includes all of the following EXCEPT?  A. All new cells arise from existing cells B. Cells eat each other to reproduce  C. All living things are composed of one or...

SCIN 130 week 7 quiz. Questions With Answers.Question 1 of 31 3.0 Points The community of bacteria in the human body provides benefits EXCEPT?  A. Increase in antibiotic resistance  B. Development of immune system  C. Maintenance of gut  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 hyper-nitrogenous B. the atmosphere ...

SCIN 130 week 5 quiz. Questions With Answers.Part 1 of 7 - Chapter 9 27.0 Points Question 1 of 31 3.0 Points What is the central dogma of genetic information?  A. DNA produces proteins directly  B. DNA encodes RNA, which in turn encodes protein  C. RNA stores our genome for safety  D. proteins code for DNA and RNA Feedback: Great job. Question 2 of 31 3.0 Points How is it possible that each daughter cell during cell replication receives an identical copy of the DNA? ...