4,064 Answered Questions for the topic biology

Biology

05/27/20

With sympatric speciation a physical barrier arises and separates twp populationd ending gene flow between them

Speciation is an evolutionary process in which a species evolves and changes to become a distinctly different specifies
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Biology

05/24/20

I'm stuck on this question for biology
Develop an investigation and describe the data that will be collected to test how changes in an external environment can impact the internal conditions of a living system. Use background knowledge... more
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Biology Science

05/24/20

Need Help With This Biology Evolution Questions?
So I have a question concerning Amur Leopards (PANTHERA PARDUS ORIENTALIS​) 1. what type of speciation is involved with this type of leopard2. which one applies the animal gene flow or genetic... more
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Biology

05/20/20

Hardy-Weinberg law problems
1-One of the forms of glucosuria is inherited as an autosomal recessive trait and occurs with a frequency of 7: 1,000,000. Determine the frequency of occurrence of heterozygotes in the... more
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Biology

05/18/20

In 2003, scientists announced the discovery of the fossil remains of some extremely short early humans on the Indonesian island of Flores.
In 2003, scientists announced the discovery of the fossil remains of some extremely short early humans on the Indonesian island of Flores.The new species had been named Homo... more
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Biology

05/17/20

Using the above results, explain why the variety of different gametes that can be produced through meiosis leads to phenotypic differences in polygenic traits between siblings of the same parents
# of Tall Alleles in Genotype of the gamete/offspring Phenotypic Outcome Of the Offspring Percentage of Offspring (%) With this combination of Alleles 6  Very Short 1/36 - 3% 5  Short 6/36 -... more
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Biology

05/16/20

OHS policies, guidelines and symbols
Ddefine the question in by the all terms
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Biology Love

05/15/20

Why does my abdomen hurt when I think about my crush?
I don’t know if this is “butterflies” it feels more intense, like cramps, and it happens every time I think about somebody I like. If it happens enough my stomach really hurts the next day like I’m... more
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Biology

05/15/20

Cotransport works by the movement of one molecule across a membrane from an area of lower concentration to an area of higher concentration because at the same time
Cotransport works by the movement of one molecule across a membrane from an area of lower concentration to an area of higher concentration because at the same timeQuestion 31 options: a a H+ ion... more
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Biology Ap Biology

05/14/20

Explain in detail why males tend to inherit the human disorder color blindness and females tend to be carriers?
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Biology Microbiology

05/13/20

Bacteria flagella
Are bacteria flagella made up of microtubules?
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Biology Microbiology

05/13/20

Capping microfilaments
What happens if we cap a microfilament at it's (+) end?
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Biology Microbiology

05/13/20

Lysosomes and peroxisomes
Compare and contrast Lysosomes and peroxisomes
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Biology

05/13/20

Replication of DNA occurs after the process of cell division.
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05/13/20

What are the mechanisms of antibiotic resistance used by Pseudomonas aeruginosa and Burkholderia cepacia complex?
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Biology

05/13/20

can anyone help me write a paragraph using these words
GeneBacteriaOvertimeNatural selectionResistantAntibioticsReproduceSusceptiblePopulationMutate 
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05/11/20

Neutralization - Chemistry Help :(
If 250mL of 5.0 M HCl needs to be neutralized, what volume of 10 M NaOH must be used?I think it is 200mL or 250mL but I am not sure.50 mL of 0.1 M HNO3 is mixed with 32 mL of KOH. What is the... more
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05/11/20

What does not play a role in increasing oxygen unloading at tissue with someone who is iron deficiencent

The affinity of 2-3 DPG for hemoglobin An increase in deoxyhemoglobin An increase in 2-3DPG respiratory acidosis
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Biology

05/11/20

Cell Signaling True or False?
True or False?All hydrophobic signaling molecules lead to slow responsesSOS activation of RAS is not an amplification step.Inactivation of phosphatase activity turns on glycogen synthesis.All... more
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Biology

05/11/20

which are true about g-protein coupled receptors and why?
Which are true about g-protein coupled receptors?unbound to ligand act as a GAP for the beta/gamma subunitunbound to ligand act as a GAP for the alpha subunitbound to ligand act as a GEF for the... more
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Biology

05/11/20

Diploid cell during G1 phase
If you measured the DNA content of a diploid cell during the G1 phase (quantity of x amount), what would the DNA content be (in one cell) if measured at metaphase 1 of meiosis 1 was completed? What... more
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Biology Ecology

05/08/20

Keystone species
Define and give a real life example of a keystone species.
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05/08/20

Systems Level Reasoning | Molecules to Pathways
4.Question Which of the following statements about the usage of bioinformatics databases is correct?Choose(a.)The Ensembl database does not include information about transcripts.(b).The OMIM... more
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Biology Microbiology

05/08/20

Calculate a chi-square value for this example in the space below. What conclusion(s) could you draw from the data?
Studies show that the following are the approximate frequencies of the various ABO blood types in the U.S.: 39% A, 12% B, 4% AB, and 45% O. Do the data given in the following table represent a... more
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Biology Microbiology

05/08/20

chi square questions

Chi SquareConsider the scenario where one parent is type AB blood and the other parent is heterozygous for type B blood. A sample of 150 couples collectively produced a total of 38 children... more
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