4,064 Answered Questions for the topic biology

Biology

11/23/23

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11/22/23

Future Dentists: Do you need help with your application and/or mock interview preparation?
Hi!My name is Adrianna and I am in my last few months of dental school and I have spent the last four years mentoring pre-dental students from all walks of life. I am happy to help with personal... more
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Biology

11/16/23

An invasive species is non-native and causes harm to the environment it is introduced in
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11/15/23

Resistor and Capacitor Arrangements
Three capacitors are connected as shown in the figure. What is the equivalent capacitance between points A and B? Please explain the steps leading to your answer.If you were to swap all capacitors... more
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Biology Microbiology

11/12/23

Which process always results in a net consumption of energy (i.e. ATP) in a bacterial cell

Pick one of the options:A- Cyclic phototrophy (via Photosystem II)B- Chemotrophy of inorganic molecules (i.e. chemolithotrophy)C- GlycolysisD- Calvin cycle
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11/08/23

Electric Potential and Energy Storage

The plates of a certain parallel-plate capacitor have been set with a separation of d = 4.15 mm, and each has an area of A = 50 cm2. After charging the capacitor, each plate carries a full charge... more
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11/05/23

With evolution, how did ectotherms evolve into endotherms?
Like how did they completely change like eg (this is a bad example) a fish to a rat? I understand that there are multiple stages between each animal but how does that work? And also this second... more
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Biology

11/02/23

AP Biology - Cell Cycle
Discuss the various ways the cell cycle can be regulatedThis is an AP Biology Frq prompt
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Biology

10/31/23

Chronic Illness-Cardiovascular Disease (CVD)
Briefly describe the biological progression of CVD.
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Biology

10/26/23

I need help with figuring out the steps to this bio school experiment
basically i wanna use like 3 concentrations of an inhibitor on a powdered enzyme to see how it affects the hydrolysis of its substrate which is also powdered. i don’t wanna specify the name just... more
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Biology

10/23/23

Which pair of compounds are both products of photosynthesis? A. Water and glucose B. Oxygen and glucose C. Glucose and carbon dioxide D. Oxygen and carbon dioxide

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Biology

10/20/23

What is the primary (first) method of signal amplification used by all three receptors in this diagram?
diagram https://ibb.co/grdYHsZWhat is the primary (first) method of signal amplification used by all three receptors in this diagram?receptors activate AC, which creates second messengersreceptors... more
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Biology

10/20/23

What is the primary (first) method of signal amplification used by all three receptors in this diagram?

What is the primary (first) method of signal amplification used by all three receptors in this diagram?receptors activate AC, which creates second messengersreceptors activate transcription... more
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Biology

10/20/23

What does phospholipase C do?
What does phospholipase C do?it activates RAF, a protein kinase, which initiates a phosphorylation cascadeit cleaves phospholipids into IP3 and DAG, which are both second messengersit creates cAMP,... more
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Biology

10/20/23

What does adenylyl cyclase do?
What does adenylyl cyclase do?it activates RAF, a protein kinase, which initiates a phosphorylation cascadeit goes into the nucleus and activates transcription.it creates cAMP, which is a second... more
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Biology

10/20/23

Which statement about AC is true?

Which statement about AC is true?ACs are only activated by GPCRsAC can be activated by either GPCRs or PKRsACs are only activated by ion channelsACs are only activated by PKRsACs are only activated... more
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Biology

10/20/23

What does "heterotrimer" mean?
a receptor that has two subunits that phosphorylate each othera protein that activates another molecule by phosphorylating ita protein that has three subunits, all the same polypeptidea protein... more
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Biology

10/20/23

Receptors for ligands that are lipids and small nonpolar gasses
Receptors for ligands that are lipids and small nonpolar gasses are found in the cell's ___________________; receptors for ligands that are proteins or other large or charged molecules are found in... more
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Biology

10/20/23

In signal transduction diagrams, how do we depict "A inhibits B?"
A ------ BA xxxxxx BA x BA ----> BA ----| B
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10/15/23

Big Data, Biology, and Code
Please help me to understand the interplay of Big Data that has become very popular in the last 10 years and how Programming and algorithm design, especially ML and NLP are being used to understand... more
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Biology

10/12/23

In terms of conservation of matter, why must the chemical equation for photosynthesis be balanced?
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10/12/23

What's the difference between ester and glycosidic bonds in organic chemistry, and how can I remember the differences between them?
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Biology

10/08/23

how do i dilute garlic essential oil or like other essential oils with an emulsifier such as polysorbate 80 to get different concentrations of it (20%, 40%, and 60%)?
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Biology

10/06/23

AP Biology - Citric Acid Cycle

Suppose a poison halts aerobic respiration after the formation of citric acid. The citric acid excretes out the mitochondria. How will this affect the overall production of ATP? Give your estimates... more
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Biology

10/06/23

AP Biology - FRQ (Laws of Thermodynamic/ Entropy)
Use the first and second laws of thermodynamics, explain how living systems are able to use anabolic processes without violating the 2nd law of thermodynamics by building ordered molecules from... more
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