4,070 Answered Questions for the topic biology

Biology

07/11/25

What is the main function of mitochondria in a cell?
Mitochondria are often called the “powerhouse of the cell.” They play an essential role in producing energy that the cell needs to perform its various activities. Understanding the function of... more
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Biology Genetics

07/02/25

Biology (Genetics)
In a population, the frequency of alleles determining the ABO blood types areestimated as 0.74 for i, 0.16 for A, 0.1 for B. Assuming random mating, what arethe expected frequencies for AB blood type? more
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Biology Chemistry Physics

06/30/25

How does entropy relate to everyday life?
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Biology Genetics

06/28/25

Genetics phenotype
In frogs, the surface of the skin is either slimy or dry, and skin texture is either smooth or warty. To determine the inheritance of these traits, you perform the following cross. You are not sure... more
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Biology

06/23/25

Leave a review for instructor
I am trying to leave a review for my instructor and cannot find out where to do so on the website. Thanks
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Expert Answers •1

06/21/25

What factors cause the arterial wall to weaken and lead to aneurysm formation?
I understand that aneurysms form when part of an artery wall weakens and bulges outward, but I’m curious about why that weakening happens. What factors or changes at the tissue or cellular level... more
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06/16/25

Can idiopathic hypersomnia eventually lead to narcolepsy?
I'm struggling with idiopathic hypersomnia and am very worried.
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Biology

06/14/25

Struggling in intro level college Biology courses?

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Biology

05/28/25

Messages not sent
I am trying to contact new tutors but my messages to them don’t seem to be sent. I tried through the website and the app but no luck. I haven’t received email confirmations, I have checked spam... more
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05/27/25

Does the citric acid cycle (aka Krebs cycle) require oxygen?

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05/27/25

Explain the steps of the Citric Acid Cycle (aka Krebs Cycle) and why this cycle is so important for cellular respiration.

After pyruvate is converted into Acetyl-CoA, it enters a key metabolic cycle that takes place in the mitochondria. This cycle involves a series of enzyme-driven reactions that break down carbon... more
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05/27/25

What must happen to pyruvate after it enters the citric acid cycle (Krebs cycle)?

Once glycolysis is finished, pyruvate is created as the end product. If oxygen is present, pyruvate doesn’t just stay in the cytoplasm—it’s moved into the mitochondria, where it goes through more... more
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05/27/25

Which pathway produces most of your ATP in aerobic and anaerobic conditions?

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05/27/25

What happens after glycolysis in the presence of oxygen and in the absence of oxygen?

Consider what the cell does with the products of glycolysis under different environmental conditions. When there's plenty of oxygen available, how might the cell continue extracting energy from... more
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05/27/25

What is the purpose of glycolysis, and what are the main steps involved in this process?
This question asks you to explain both the function of glycolysis in cellular metabolism and the sequence of steps it includes. You'll need to describe what glycolysis accomplishes for the cell... more
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05/27/25

Which glycolysis enzyme might be affected in someone with a mutation who experiences fatigue and muscle pain during intense exercise due to reduced energy production?
This question asks you to think about how a mutation in a glycolytic enzyme might lead to symptoms like fatigue and muscle pain, especially during intense physical activity. It invites you to... more
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05/27/25

Can glycolysis occur in the absence of oxygen? Why or why not?

This question focuses on whether oxygen is required for glycolysis to take place. It asks you to consider where glycolysis occurs in the cell, how it fits into the overall process of cellular... more
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05/27/25

Why does ATP "store" so much energy?

This question asks why ATP is able to hold so much energy, especially in relation to how cells generate and use energy during cellular respiration. Think about the structure of ATP and why it's an... more
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Biology Botany

05/26/25

Plant adaptations against photorespiration
The enzyme RuBisCO is responsible for fixing carbon dioxide in the Calvin Cycle, but it can also bind to oxygen, leading to a process called photorespiration. Under which environmental conditions... more
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05/23/25

New to Wyzant Tutoring - Looking for new clients!
I have long been a proponent of a connection-driven tutoring approach—one that supports students not only academically, but also socially and emotionally. Over my years working as a peer tutor,... more
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Biology

05/20/25

Is my baby a boy or a girl?
Great question! Before modern technology, parents had to wait until birth to find out their baby's sex. But thanks to medical advances, you can now find out much earlier! An ultrasound, typically... more
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05/17/25

If the sinoatrial node fails to send an electrical impulse, or if the electrical impulse that is sent is blocked, how will the heart continue to beat? What will the heart rate be?

This question focuses on the intrinsic conduction system of the heart and what the backup conduction looks like when the primary conduction fails.
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Biology

05/09/25

How does the structure of a phospholipid bilayer contribute to the selective permeability of cell membranes?
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Biology

05/09/25

All correct answer in order
The chromosomes in a homologous pair contain the same genes in the same locations. But one chromosome might have a different version of a gene than the other chromosome. Different versions of the... more
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Biology

05/09/25

All correct answer in order
The chromosomes in a homologous pair contain the same genes in the same locations. But one chromosome might have a different version of a gene than the other chromosome. Different versions of the... more
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