General Biology

Assume presence of galactose

Assume presence of galactose

Assume presence of galactose and absence of glucose, and that mutants are loss of function. In a Gal 80 mutant, gal genes will/will not __________be expressed .In a gal4 mutant, gal genes will/will not___________be expressed.In gal80/ gal4 double mut

saranyaallu   34   2 Replies

judd

Which nerve innervates the highlighted muscle?

Which nerve innervates the highlighted muscle?

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BenAff   97   13 Replies

binva

The lateral line of a shark is used for

The lateral line of a shark is used for

a The lateral line of a shark is used for

1 Heat sensing for locating prey

2 Odor detection

3 Excretion

4 detecting and locating objects and moving animals in the water

b The group of fish that h

saranyaallu   85   2 Replies

bio_man

Draw a possible curve for population after several generations if the population has stabilizing ...

Draw a possible curve for population after several generations if the population has stabilizing ...

1) Using the axes as defined below, answer the following questions.



a) Draw a possible curve for population after several generations if the population has stabilizing selection. (1 point)

zarkam21   2391   11 Replies

bio_man

What effect would you predict that gallstones would have on the digestive process?

What effect would you predict that gallstones would have on the digestive process?

1.The illness called celiac disease is an autoimmune disorder that is triggered by eating gluten, a protein found in wheat and other grains Persons with this disease may appear undernourished, even when fed seemingly adequate diets. Microscopic studi

saranyaallu   48   2 Replies

bio_man

Give examples of structures supported by bone and by cartilage observed in this lab topic.

Give examples of structures supported by bone and by cartilage observed in this lab topic.

 Give examples of structures supported by bone and by cartilage observed in this lab topic. What differences in flexibility and function have you noticed in these structures?

saranyaallu   27   1 Reply

bio_man

Explain, from a physiological perspective, what is happening to your body.

Explain, from a physiological perspective, what is happening to your body.

The Peachtree Road Race is over, and you have just been awarded the coveted T-shirt. Your body is dripping wet and your skin appears bright red. Explain, from a physiological perspective, what is happening to your body.

2. Tattooing is the

saranyaallu   28   1 Reply

temp321

Given what you know about the Bohr shift, what is the difference in O2 saturatio

Given what you know about the Bohr shift, what is the difference in O2 saturatio

I need help with this for my bio class

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biophysics   25796   15 Replies

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swhistler

Compare and contrast the types of nitrogenous wastes excreted by animals. Identify which type can be ...

Compare and contrast the types of nitrogenous wastes excreted by animals. Identify which type can be ...

Compare and contrast the types of nitrogenous wastes excreted by animals. Identify which type can be excreted with the least water.

 A)urea
 B)uric acid
 C)ammonia

pado   685   2 Replies

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padre

How do you determine the efficiency of a real-Time PCR assay?

How do you determine the efficiency of a real-Time PCR assay?

A. Why do we use formamide to dissolve DNA precipitate in the preparation of sequencing samples?

B. What is the size of the target amplicon of GFPuv in the qRT-PCR experiment?

C. How do you determine the efficiency of a real-Tim

saranyaallu   57   2 Replies

padre

How do scientists use twin and adoption studies in the study of human behavioral genetics?

How do scientists use twin and adoption studies in the study of human behavioral genetics?

How do scientists use twin and adoption studies in the study of human behavioral genetics?

saranyaallu   49   1 Reply

5 / 5

bolbol

How big is the difference between the largest versus smallest beak?

How big is the difference between the largest versus smallest beak?

How big is the difference between the largest versus smallest beak?

ryann   62   2 Replies

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saranyaallu

How can you determine if the glucose-aversion trait in cockroach?

How can you determine if the glucose-aversion trait in cockroach?

How can you determine if the glucose-aversion trait becomes more common in a cockroach population as a result of adaptive evolution?

blakeanne93   3841   5 Replies

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saranyaallu

In 2005, Hurricane Katrina devastated the eastern coastline of the United States. The state of Louis

In 2005, Hurricane Katrina devastated the eastern coastline of the United States. The state of Louis

What addition to methodology would be most beneficial to the study?
      
pre-flood data to compare to post-flood data in order to better compare endotoxin levels
      
tests conducted on bacterial exotoxins in New York City
      

mariangela   38   1 Reply

bio_man

Explain why the flow of genetic information could not be polypeptide RNA->DNA?

Explain why the flow of genetic information could not be polypeptide RNA->DNA?

Use the following fragment of a polypeptide sequence to perform "reverse translation" to determine the mRNA sequence.
V Asp Trp Leu Lys Gly Asn Thr

 a. Compare your mRNA sequence to the sequence of at least two of your lab

saranyaallu   42   1 Reply

bio_man

Why does the cell need to make an RNA molecule?

Why does the cell need to make an RNA molecule?

 Why does the cell need to make an RNA molecule?


Explain the purpose/function of the promoter sequence?

 3) What could happen if a gene does not have a promoter sequence?

 4) How did you determine the start cod

saranyaallu   93   6 Replies

bio_man

What could happen if a gene does not have a promoter sequence?

What could happen if a gene does not have a promoter sequence?

What could happen if a gene does not have a promoter sequence?

saranyaallu   47   1 Reply

bio_man

Can you identify the trophic levels at which these animals feed?

Can you identify the trophic levels at which these animals feed?

Hi! So I'm stuck on this one question because I don't understand if the hawk would be considered a secondary, tertiary AND quaternary consumer, or would it only be considered a quaternary consumer? Same goes with the shrew and the mockingbi

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xroflmao   11657   17 Replies

stephyousif

Using the results of your BLAST alignments, complete the table below by dragging one blue label to ...

Using the results of your BLAST alignments, complete the table below by dragging one blue label to ...

Using the results of your BLAST alignments, complete the table below by dragging one blue label to each blue target and one pink label to each pink target.  Labels may be used once, more than once, or not at all.  Answers for the example al

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fattyu   3852   17 Replies

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taylordawley

Explain how the knowledge of transcription and translation in eukaryotes and prokaryotes is helpful

Explain how the knowledge of transcription and translation in eukaryotes and prokaryotes is helpful

^

same   46   1 Reply

bio_man

You have isolated a bacterium from a patient's infected wound. The bacterium is oxidative and does ...

You have isolated a bacterium from a patient's infected wound. The bacterium is oxidative and does ...

you have isolated a bacterium from a patient's infected wound. The bacterium is oxidative and does not hydrolyze starch. identify the bacterium

mrsjeannette   54   1 Reply

tjax417

Calculate the maximum concentration steady state for two compartment oral multidose.

Calculate the maximum concentration steady state for two compartment oral multidose.

calculate the maximum concentration steady state for two compartment oral multidose.

allu   54   1 Reply

doubleu

How would poisoning proton pumps impact anion uptake?

How would poisoning proton pumps impact anion uptake?

How would poisoning proton pumps impact anion uptake?

A) It would decrease the uptake of anions via co-transport with protons.
B) It would have no effect; most anions utilize ATP-driven pumps for uptake.
C) It would increase the

wafflespan   1787   1 Reply

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allu

Diagnostic tests that involve interaction between antigens and antibodies are known collectively

Diagnostic tests that involve interaction between antigens and antibodies are known collectively

49.The autoimmune disease that affects the joints, kidney, skin and heart is termed:
a Lupus erythematosus          b. Rheumatoid arthritis              c. Hemolytic anemia   &nbs

allu   54   1 Reply

bio_man

Which process is most responsible for the sickling of cells seen in sickle cell disease?

Which process is most responsible for the sickling of cells seen in sickle cell disease?

 Which process is most responsible for the sickling of cells seen in sickle cell disease?

 A) aggregation of the oxygenated R form of hemoglobin-S to form insoluble fibers
 b) aggregation of the deoxygenated T form of hemoglobin-S to

allu   38   1 Reply

bio_man

Describe the epigenetic marks that occur on histones

Describe the epigenetic marks that occur on histones

Describe the epigenetic marks that occur on histones and the effects acetylation has on gene expression.

allu   39   1 Reply

bio_man

Indirect activity of CO2 is a result of increased concentration of which chemical species?

Indirect activity of CO2 is a result of increased concentration of which chemical species?

1.Indirect activity of CO2 is a result of increased concentration of which chemical species?
A) BPG     
b) H+
 c) heme iron
d) distal His

 2. Direct activity of CO2 is a result of binding to which molecular

allu   63   1 Reply

bio_man

Given that our model finch population is capable of rapid evolution in response to a changing

Given that our model finch population is capable of rapid evolution in response to a changing

Given that our model finch population is capable of rapid evolution in response to a changing environment, explain why you think it, nonetheless, sometimes goes extinct. (If you need a hint, you might look back to Exercise 1, which discusses the gene

ryann   29   1 Reply

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bolbol

Did the population evolve an average beak depth well-adapted for rainy conditions

Did the population evolve an average beak depth well-adapted for rainy conditions

Did the population evolve an average beak depth well-adapted for rainy conditions?

ryann   31   1 Reply

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bolbol

Is it possible to drive your finch population to extinction?

Is it possible to drive your finch population to extinction?

Is it possible to drive your finch population to extinction?

ryann   31   1 Reply

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bolbol

Has the population returned to the original composition that you recorded in Step 3?

Has the population returned to the original composition that you recorded in Step 3?

Has the population returned to the original composition that you recorded in Step 3? That is, are average beak depth, range of beak depths, and difference between largest and smallest the same as they were at the start? If not, what do you think has

ryann   33   1 Reply

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bolbol

Describe how the composition of the population has changed

Describe how the composition of the population has changed

Describe how the composition of the population has changed

ryann   33   1 Reply

5 / 5

bolbol

What can happen to our virtual finch population if the weather changes

What can happen to our virtual finch population if the weather changes

What happened to beak depths in the virtual finch population when selection on beak depth was eliminated (selection strength = 0) and mutation rate for alleles determining beak depth was greater than zero?
a)Average beak depth consistently incr

allu   48   1 Reply

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bolbol

As of 2015, the world population is 7.244 billion and recent reports suggest... 1. As of 2015, the w

As of 2015, the world population is 7.244 billion and recent reports suggest... 1. As of 2015, the w

As of 2015, the world population is 7.244 billion and recent reports suggest... 1. As of 2015, the world population is 7.244 billion and recent reports suggest humans have between 20,000 and 25,000 genes and at least 8% of these genes have multiple a

Tijerazmendez   55   1 Reply

bio_man

PCR Steps, gel elctrophoresis

PCR Steps, gel elctrophoresis

1. Describes the steps of how a PCR generates many copies of a particular sequence.

2. How and why are positive and negative controls used for the PCR?

3.What temperatures are involved in the PCR cycle?

4. What proces

WalkerS   52   2 Replies

habiba

PCR, gene cloning, DNA profile.

PCR, gene cloning, DNA profile.

PCR is a technology that has many useful applications with biotechnology. What are some of those applications? What are the advantages of PCR over gene cloning for generating many copies of a DNA fragment?

Humans are almost identical in th

WalkerS   55   3 Replies

doubleu

Does the glu– allele ever confer a disadvantage?

Does the glu– allele ever confer a disadvantage?

In the presence of poison-laced glucose, cockroaches that refuse glucose will have a much higher survival rate than cockroaches that feed indiscriminately. This explains why the glu– allele frequency increases over time in a population exposed to poi

gray87   3570   5 Replies

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huangjewelry

Bio question plz help

Bio question plz help

Most of us have no idea, which is why transparency in costs is so important to lower healthcare expenses. Check out the article below and share your thoughts on this or other ideas to reduce healthcare costs.

https://www.rwjf.org/en/librar

yoyoyo12345   56   1 Reply

mathdawg33

DNA Lab homework review.

DNA Lab homework review.

Describe the structure of a nucleotide. What is its significance in relation to DNA and RNA?


What are the bases for DNA? RNA? Include how they pair up.

WalkerS   59   5 Replies

AmyP911

The diagram below illustrates the life cycle of Dictyostelium, a cellular slime mold. Label the diag

The diagram below illustrates the life cycle of Dictyostelium, a cellular slime mold. Label the diag

The diagram below illustrates the life cycle of Dictyostelium, a cellular slime mold. Label the diagram to indicate the processes that are occurring as well as whether each cell type is haploid or diploid.
Drag the labels to their appropriate lo

rowannhassan   1092   3 Replies

arturiongo