4,064 Answered Questions for the topic biology

Biology

10/18/19

Describe the role of carbon in biological systems
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Biology

10/17/19

How do I solve this using the 5 steps of punnet squares?
In cats, fur color is X-linked. Black fur is dominant to yellow fur; he heterozygote produces tortoiseshell fur. a. Cross a tortoise shell female with a yellow male. b. Cross a black male with a... more
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Biology

10/17/19

What are the products of the light reactions? What are the products of the Calvin Cycle?
A. cellular respirationB. Photosynthesis' light reactionsC. Photosunthesis' dark reactions
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Biology

10/17/19

If no oxygen was provided from the outside should oxygen level increase or decrease as time goes on when in a plant is in the dark?
A. increaseB. decrease
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Biology

10/17/19

Is chlorophyll the only molecule that absorbs light for photosynthesis?
yes or no and why? thank you!
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Biology Science

10/16/19

Science Question Help

Toxic mine waste is dumped halfway along a peninsula. All of the mice in the affected area die off and the area is instant death for any that enter it. The mice on the end of the peninsula... more
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10/16/19

Help please?! Open ended... Natural Selection sceanario

Over the past several years, Abalone has come into style for making jewelry, and have therefore been over harvested. As the population of abalones declined, so did the sea stars that eat them.... more
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10/16/19

Can testosterone hormone make your voice deeper as an adult?

I have heard that after puberty your vocal cord stops growing, can testosterone hormone make your voice deeper as an adult? Is this the same for men/women?
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10/16/19

Is it possible to chemically synthesize blood?
Like we know all the chemical compositions of blood and add the ingredients. We even know the compositions of each blood group and synthesize it to be of a particular group, say A - (which is... more
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Biology

10/15/19

Why is it important to use standards or develop a standard curve in spectrophotometry?
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10/14/19

AP Research Topics
Hi. I’m stuck on a topic to pick for AP research. I need to find a gap in my research and I can’t seem to find one. I was wondering if anybody can help me find a gap in my research (something that... more
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Biology

10/14/19

Punnett Square Genotype
Which of the following describes the genotype if you crossed two black and white (BW) chickens?* 50% black50% White* 50% BB50% WW* 100% BW* 100% black and whiteIt lets me pick multiple answers.
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Biology Science

10/14/19

A few questions about Photosynthesis?
1.Where is the light energy needed to excite electrons? 2.Where do the water molecules split?3.What is the location where hydrogen ions diffuse from a high to low concentration?4.The highest... more
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Biology Bacteria

10/14/19

How many pieces of DNA are in a bacterium?

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Biology Bacteria

10/14/19

How many cells are there in a bacterium?

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Biology Anatomy Neurons

10/12/19

What neuron type can only produce local potentials?
1)Multipolar2) Bipolar3) Unipolar4) Anaxonic
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Biology

10/12/19

Can spectrophotometry be used to determine the concentration of “colorless” solutes such as salt or sugar (or other soluble macromolecules like DNA or RNA)? Explain.
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Biology

10/12/19

Biology question
Branch of science that deal with the improvement of human race by proving better environmental condition----- 1.Evaluation2.Eugenics3.Fossils4.EuthenicsWhich of the following is correct?
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Biology

10/11/19

what are primary rate controlling enzyme of the energy producing metabolic pathways and cycles, including ATP-CP, glycolysis ,krebs cycle and ETC/
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Biology

10/11/19

what are the positive and negative modulators of the rate controlling enzymes?
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Biology

10/11/19

what are examples of circumstances in which O2 might be unavailable for electron transport chain?
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Biology

10/10/19

Do you think that an enzyme that is present in your stomach will have the same optimum pH as an enzyme in your blood?
Please explain a little bit to a point i can understnad!!!
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Biology

10/10/19

How will pH and temperature changes for an enzyme affect the growth of bacteria they are in?
please explain this fairly briefly.
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Biology Bio

10/10/19

As you go above and below the optimum pH and temperature the enzyme activity drops off.

Discuss the reason behind this phenomenon
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Biology

10/10/19

Do all enzymes have the same optimum temperature?
It's a yes or no question but please explain why.
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