Which one of the following statements is true

Assignment Help Biology
Reference no: EM1398302

Which one of the following statements is true?

Answer

Natural selection works on variation already present in a population

Natural selection works on non-heritable traits

Organisms evolve structures that they need

None of the statements are true

Reference no: EM1398302

Questions Cloud

Which direction of research appears to having most success : which direction of research appears to be having the most success.
Describe how monoclonal antibodies are produced : A project is underway to develop a vaccine against mouse hepatitis virus, a pathogen of mice. The vaccine consists of capsid protein of the virus, which is injected subcutaneously as a depot in alum on day 0. At days 5 and 14, the group of six mic..
Recent business trip for an internal company visit : What is the probability that more than 25% of the business travelers say that the reason for their most recent business trip was an internal company visit?
What is mrs. x red blood cell volume after the infusion : What is Mrs. X red blood cell volume after the infusion equilibrates with the blood and why? Also what is the osmolarity of the red blood cells and plasma AFTER equilibration.
Which one of the following statements is true : Which one of the following statements is true.
Normal lac operon in the presence of lactose and glucose : An enzyme is discovered that selectively shortens telomeres. Its gene is isolated, cloned and transfected into a malignant cell line where it is transcribed and translated.
Which one of the following can create new alleles : Which one of the following can create new alleles.
Which of following is not requirement of natural selection : Which of the following is not a requirement of natural selection.
Which of the following is a population : Which of the following is a population.

Reviews

Write a Review

Biology Questions & Answers

  Mechanisms by which integument helps to prevent infection

Explain 4 mechanisms by which the integument helps to prevent infection. In other words, explain either specific actions the integument performs or characteristics of its structure.

  Calculate the total charge increase inside the nerve cell

You are a neuroengineer interested in developing better nerve stimulators for prothetic limbs, such as arms, hands or legs. You want to understnad the flow of ions across the typical nerve cell membrane during action potentials, or spikes.

  Find the gene that codes for bacteriocin

You want to find the gene that codes for bacteriocin, and map it on the bacterial chromosome?

  What are the methods bacteria use to take up foreign dna

what are the methods bacteria use to take up foreign DNA.

  How much co2 will this free into the atmosphere in a year

Chlamydias and rekettsias were once classified as viruses because of their small size and obligate intracellular growth requirement. What are some of techniques can be used to illustrate that they are really bacteria.

  Production of dna and rna

Purines and pyrimidines play crucial part in cellular energy systems signaling and in the production of DNA and RNA.

  Characteristics of prophages vs proviruses

The replication cycles of bacteriophages and animal viruses have many similarities. Discuss similarities and differences of the characteristics of prophages vs proviruses.

  Determining fraction of the gametes

Consider two gene loci in the mouse, locus 1 and locus 2. Each locus is on a different, nonhomologous autosomal chromosome . Alleles at locus 1 influence fur color.

  Give the genotypes of all three mice

In mice, black eyes (B) are dominant over red eyes (b) and short ears (S) are dominant over having a long floppy ears (s). A black eyed, short eared mouse is crossed with a red eyed, long-eared mouse. The offspring has black eyes and long ears.

  Consequences of changing the temperature

Explain why was the water bath set at 50 degre C? what might be some consequences of changing the temperature?

  Determine what expected phenotypic ratios of the f1 and f2

A cross is made between tall, red flowered plants and short, white flowered plants. Tall and red are dominant traits. Determine what the expected phenotypic ratios of the f1 and f2 generations should be.

  Propose two ways the photosynthesis process be improved

Propose two ways the photosynthesis process be improved. If the sequence TCGTA was used as a template in DNA replication, what will the sequence of bases be on the newly synthesized strand.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd