4,064 Answered Questions for the topic biology

Biology

11/15/19

How could you quantify the amount of starch using picture of leaves (both "light" and "dark") that have been stained by Iodine after being boiled in methanol?
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Biology

11/15/19

Part 2: Dihybrid Cross—Predicting Flower Color and Seed Shape
Imagine that you are crossing two plants that are heterozygous for flower color and seed shape. The dominant and recessive alleles for these traits are as follows:purple flowers: Pwhite flowers:... more
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Biology

11/15/19

Which organelle is the location of protein synthesis? Chloroplast Lysosome Mitochondria Ribosome
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11/15/19

What is the results on Figure 2. on panels A, B, and C
Figure 2. is on page 26https://www.biorxiv.org/content/biorxiv/early/2019/02/06/541979.full.pdf
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Biology

11/14/19

Lab Report: Genetic Crosses 1
Apply your understanding of how alleles assort and combine during reproduction to evaluate a scenario involving a monohybrid cross.The allele for having freckles (F) is dominant over the allele... more
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Biology

11/14/19

which is the biggest, and what are their relative sizes?
which is bigger out of a virus, prokaryotic cell and a eukaryotic cell?what are their relative sizes?this is needed for biology homework!
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Biology

11/13/19

My grade right now is a 74 and I have a project that’s worth 60% of my grade. If I get a 100 on the project what will my grade be?
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11/13/19

BIOLOGY DNA QUESTION
for the following mRNA with the seq 5' AUGCGGUACAGCUUAGC 3' what is the originating genomic DNA template strand? I said GCUAAGCUGUACGCUA. is this correct or should the U be replaced with T?Thank you. more
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Biology

11/12/19

Lamarck proposed the Theory of Inheritance of Acquired Characteristics in 1801.
How does the Central Dogma indicate that this theory is incorrect?
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Biology Igcse

11/12/19

I really need help with this question in biology
Te diagram shows an experiment on diffusionTe diagram is basically a breaker that has sugar solution X and a permeable bag with 20% sugar solution inside it.More sugar diffuses out of the bag than... more
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Biology Genetics

11/12/19

Number of nucleotides in 300 amino acids
A protein is 300 amino acids long. Which of the following could be the number of nucleotides in the section of DNA that codes for this protein? (Remember: DNA is double-stranded.)I know the answer... more
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Biology

11/12/19

why is cell division important in terms of the cell meeting its nutrient requirements e.g.oxygen?
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Biology

11/11/19

How are the most soluble food molecules absorbed into the epithelial cells of the small intestine?
Biology homework, the options from the answer is to choose from diffusion, osmosis and respiration
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Biology

11/10/19

Bacteria Question
Typically, some plates grow a bacterial lawn while others grows bacterial colonies. Why is there a difference in the growth pattern?
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Biology

11/10/19

One person picks out one of the two beans from their own cup represents what event : anaphase, metaphase 2 , anaphase 1 or fertilization?
the previous answer I marked for what the black bean in the cup represents is the dominant allele while the white bean is the recessive allele. So both beans in the cup would possibly be a... more
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Biology

11/10/19

BIO question! Please help!
Cells of the accessory gland in the fruit fly Drosophila melanogaster are binucleate, meaning they have two nuclei in one cytoplasm. Each nucleus has the normal amount of DNA expected in a fruit... more
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Biology

11/10/19

Please help me on my Bio question

Cells of the accessory gland in the fruit fly Drosophila melanogaster are binucleate, meaning they have two nuclei in one cytoplasm. Each nucleus has the normal amount of DNA expected in a fruit... more
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11/09/19

Give three explanations for the observed differences in light attenuation in these lakes.
The light intensity versus depth profiles for two lakes are listed in the table below. Calculate the extinction coefficient (η) for both lakes using all of the data provided (i.e., you need to... more
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Biology

11/07/19

Biology 203 Unit 3: Study Guide
Describe the difference between a haploid and a diploid cell. Define asexual reproduction. Give an example of it. Define sexual reproduction. Give an example of it. How is sexual reproduction and... more
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Biology

11/07/19

Biology 203 Unit 3: Study Guide
How is ATP different from glucose? What is cell differentiation? When does it occur? Why do cells differentiate or specialize? Distinguish between a chromosome, a gene, and a chromatid.
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Biology

11/07/19

Biology 203 Unit 3: Study Guide
Define meiosis. Describe what takes place during each of the phases of meiosis.a.      Interphaseb.      Prophase Ic.      Metaphase Id.      Anaphase Ie.      Telophase... more
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Biology

11/07/19

Which is not true regarding the light-independent reactions?

Which is not true regarding the light-independent reactions? These reactions convert carbon dioxide into glucose molecules. These reactions require ATP and NADPH made in the light-dependent... more
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Biology

11/07/19

Production of oxygen during photosynthesis

Production of oxygen during photosynthesis is a direct result of the electron transport chain. is the byproduct of the breakdown of water. is the primary goal of photosynthesis. occurs during the... more
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Biology

11/07/19

Use the image below to answer the following question: Where in the chloroplast do the light-dependent reactions occur?
Inner Membrane Stroma Outer Membrane Thylakoid
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Biology

11/07/19

In a world that has fewer plants, how would the environment be affected?
In a world that has fewer plants, how would the environment be affected? A)There would be more oxygen. B)There would be more ATP available. C)There would be more carbon dioxide. D)There would be... more
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