2,744 Answered Questions for the topic biology

Biology

4d

Factors that can affect the outcome of an experiment are known as

Factors that can affect the outcome of an experiment are known as:   a.independent variables   b.both dependent and independent variables   c.variables   d.dependent variables 
Biology

4d

Need help with this bio question

How would the lac operon be impacted if the repressor protein was mutated so that it could not ever bind to the operator? Use any of the following terms that apply in your explanation: inducer,... more
Biology Science

7d

In peas, the color yellow is dominant to the color green. A heterozygous yellow pea plant is crossed with a green pea plant.

In peas, the color yellow is dominant to the color green. A heterozygous yellow pea plant is crossed with a green pea plant. Complete the Punnett Square below to determine the outcome of the... more

Crop rotation (finding source)

Question: Why is crop rotaion important?- What are 2 primary sources for this topic?- What are at least 2 different kinds of secondary sources? Make sure one of them is a peer-reviewed article from... more
Biology

9d

biology punnett

6a) Human blood types show both codominance and multiple alleles. The blood types are A, B, AB, and O. The allele for A, B, and O are IA , IB , and i respectively. A and B are codominant, and O is... more
Biology

9d

biology punnett

5a) Red roan hair colour in some horses is due to codominance of the white allele and the red allele. If a red roan horse mates with a white horse, indicate the genotypic and phenotypic ratios that... more
Biology

9d

biology punnett

4a) Hemophilia is an x-linked disease of the blood. What is the probability of producing an unaffected son by a father who is unaffected and a mother who is a carrier of hemophilia? 4b) Using a... more
Biology

9d

biology punnett

3a) Red eyes are dominant on fruit flies but an x-linked recessive allele will produce white eyed flies. If a red eyed female mates with a white eyed male, what is the probability of white eyes in... more
Biology

9d

which parts of the cell support which characteristics of life? 

We know in a eukaryotic cell, the many cell parts help the cell as a whole carry out all of the characteristics of life. However, which parts of the cell support which characteristics of life? 
Biology Genetics

11d

What are the phenotypes, by sex, of their possible offspring?

Brown eyes (B) is dominant to blue eyes (b) in people. Hemophilia is a sex linked trait (Xh) that is recessive to normal blood clotting (XH). A heterozygous brown-eyed woman who is a carrier... more

4. As concentration increases, what happens to the number of ions in the solution? URGENT CHEMISTRY QUESTION

please help me with this chemistry concept and question.

How does the concentration of ions in a strong base differ from a weak base? CHEMISTRY URGENT

please help me explain this chemistry concept

Which ions are most abundant in water? - Chemistry URGENT  

Please help me explain this chemistry question.
Biology

12d

How do environmental changes or genetic variations lead to increased diversity in organisms ?

May you also give a specific example? thank you
Biology Genetics

13d

Give the genotype of each wife and state whether or not she is colorblind.

Anthony, a colorblind person got married, divorced, and remarried. His and his first wife, Linda, has a colorblind son, a colorblind daughter, a normal son and a normal daughter. He and his current... more

13d

Sickle Cell Anemia Frequency and Malaria Effects

Sickle cell anemia is a genetically inherited autosomal recessive trait in which results in a condition that there are not enough healthy red blood cells to carry oxygen throughout the body due to... more
Biology Carboncycle

14d

how carbon is cycled through living organisms. Make clear connections to the process of Photosynthesis and Cellular Respiration

Doing grade 9 biology and have a little bit of an issue fully understanding the carbon cycle. if you could help that would mean a lot!

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