134 Answered Questions for the topic Biology Tutor

Biology Tutor Biology

12/18/17

It is an advantage for two species to share the same niche

Biology it is a biopsy question that I need help on please help true or false
Biology Tutor Biology

12/07/17

why is it useful in population genetics to consider the concept of a gene pool?

why is it useful in population genetics to consider the concept of a gene pool? a) evolution acts on a pool of individuals in a population b) evolution acts on the pooled allele frequencies in a... more
Biology Tutor Biology

12/07/17

The chromosome count of a cell...

the chromosome count of a cell at the completion of anaphase I is 48. What is the chromosome count in a gamete belonging to the same organism?   Please explain?   a. 14 b. 24 c. 12 d. 48

11/26/17

Question about the ecosystem

What effect should the decay process have on possible changes within the ecosystem?

Among the traits that Mendel studied in peas, he determined that the t

Among the traits that Mendel studied in peas, he determined that the round allele for shape (W) was dominant to the allele for wrinkled (w) peas. Thus, Ww plants produce round peas. You have... more
Biology Tutor Chemistry Lab

10/12/17

volume of PCR , is this right?

Reagent stock concentration             Required final concentration                Volume10X Buffer                                                       1X                                       5... more
Biology Tutor Dna

10/10/17

template and coding DNA

If the template strand of DNA is 3’-xxx-5’, what are the first 4 amino acids of the protein?If the coding strand of DNA is 3’-xxx-5’, what are the first 4 amino acids of the... more
Biology Tutor Biology Genetics

10/06/17

Punnett square for indpendent assorting

How would you demonstrate that two loci are independently assorting? Describe your experimental design and your specific predictions. Locus A has two possible alleles, A1 and A2, and Locus B has... more
Biology Tutor Genetics Dna

10/06/17

Breeding Orchids

A horticulturalist breeds orchids, trying to obtain a plant with a unique combination of desirable traits. After many years, she finally succeeds. To produce more plants like this one, should she... more
Biology Tutor Biology Genotypes

10/04/17

Genotype and phenotype question help?

If the gene A is one of the genes controlling leaf colour. A recessive mutant allele of that gene, a, is occasionally present which turns the leaves white due to inability to synthesize... more
Biology Tutor Biology Genetics Genotypes

10/03/17

Biology genetics

In llamas, a shaggy coat (S) is dominant over a smooth coat (s). If two hybrid/heterozygous llamas are mated, what are the possible genotypes of their offspring? Select all that apply. [Hint: you... more
Biology Tutor

09/30/17

DNA has a negative charge...

Given that DNA is negatively charged, which electrode would it migrate towards when subjected to an applied voltage? At which electrode should the wells of your agarose gel be placed and why?
Biology Tutor

09/30/17

gel electrophoresis

Which would you expect to travel further in a gel electrophoresis experiment, a piece of DNA consisting of 700 bp or 250 bp? Explain your answer in terms of the physical properties of agarose gel.
Biology Tutor

09/27/17

Macromolecules

If 14C- labeled uracil is added to the growth medium of cells, what macromolecules will be labeled? please explain answer.
Biology Tutor

09/27/17

cells and ribosomes

A cell with a predominance of free ribosomes is most likely? please explain answer.
Biology Tutor

09/27/17

Gradients and ion channels

Ions diffuse across membranes through specific ion channels down.. Please explain answer as to why that is the answer
Biology Tutor

09/27/17

types of bonds

Why does water have a high specific heat? Please explain the answer.
Biology Tutor

09/20/17

DNA question Bluescript

We loaded purified plasmid DNA into 4 individual lanes of an agarose gel. Using the diagram on the right, draw bands of appropriate size where you would expect to see them after electrophoresis.... more
Biology Tutor

09/12/17

The Central Dogma of Molecular Biology

The Central Dogma of Molecular Biology describes the flow of information in a cell. Briefly name and describe the two key processes that the cell performs in order to transmit and utilize genetic... more
Biology Tutor

09/11/17

Mutant yeast

A mutant yeast strain is found with a mutation affecting a tRNATyr. The wild type normally produces a tRNA that recognizes the codon 5’-UAC-3’, and is charged with the amino acid Tyrosine (Tyr) –... more
Biology Tutor

09/11/17

molecular strategy

Unfertilized eggs of several animal species contain many mRNAs that should not be translated until fertilization occurs. Describe a molecular strategy employed by the egg to ensure timely activity... more
Biology Tutor

09/09/17

help me find the independent and the dependent, as well as cause

A study was done to find if different tir treads affects the breaking distance of a car.
Biology Tutor

09/09/17

Mutation question

A mutant yeast strain is found with a mutation affecting a tRNATyr. The wild type normally produces a tRNA that recognizes the codon 5’-UAC-3’, and is charged with the amino acid Tyrosine (Tyr) –... more
Biology Tutor

09/09/17

Chromosome question cell cycle

The same chromosome can look very different depending on when in the cell cycle it is observed. Why is that? How many DNA molecules does each chromosome contain at its most condensed? Use the... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.