A phylogenetic tree represents a hypothesis

Assignment Help Biology
Reference no: EM136342

Q1. What is a "protocell"? How did they likely form, and what can they do?

Give details each of these statements about phylogenetic trees.

a. A phylogenetic tree represents a hypothesis about evolutionary relationships.

b. Phylogenetic trees are intended to show patterns of descent, not phenotypic similarity.

Q2. If Penicillium typically secretes penicillin without disturbing the lichen relationship in which it is engaged, then what should have been true about its partner?

Reference no: EM136342

Questions Cloud

Explain similarities and dissimilarities : At 4.00 rm L, an expandable vessel contains 0.864 rm mol of oxygen gas. How numerous liters of oxygen gas should be added at constant temperature and pressure if you require a total of 1.96 mol of oxygen gas in the vessel.
Define a dimple in chin is a dominant characteristic : A man with a chin dimple and a non dimpled woman produce eight children, all having the chin dimple. Can you be certain of the man's genotype? Why or why not? What genotype is more likely, and why gives reason.
Discuss any differences from greek and roman health care : Male frogs give calls that attract female frogs to approach and mate. Researchers examined mating calls of closely related tree frogs in South America. What outcomes be able to occur where the ranges of two species overlap.
What is the initial stimulus : Is this an instance of a positive or negative feedback mechanisms? What is the initial stimulus? What is the result.
A phylogenetic tree represents a hypothesis : If Penicillium typically secretes penicillin without disturbing the lichen relationship in which it is engaged, then what should have been true about its partner.
What is a chloride reversal potential : What is a chloride reversal potential. Is there a net movement of chloride into or out of the cell while you add GABA to the bath? If so, in which direction.
Why is the man a major candidate for a heart attack : What is the possibility that the son would have both the Xg antigen and ichthyosis. Why is the man a major candidate for a heart attack.
What will be a tentative diagnosis and suggested treatment : The both endocrine and the nerve system are major regulating system of the body; however, the nervous system has been compared to an airmail system and the endoncrine system to the pony express. What is the resemblance.
Which of these represents the treatment option : Both RT and PR represent potential targets for antiretroviral drugs. Drugs called nucleoside analogs (NA) act against RT, whereas drugs known as protease inhibitors (PI) act against PR.

Reviews

Write a Review

Biology Questions & Answers

  The capability of motor proteins to transport material

Based on the structure of individual keratin subunits, why would a single point mutation in the alpha-helical region of the monomer result in a defect in the polymer.

  Which declaration is not true about dna replication

Which declaration is NOT true about DNA replication. Replication can only begin at distinct regions known as origins of replication.

  What is possible mode of inheritance of palomono coloration

A 40 year old woman was admitted into ER with fever, chills, and a dry cough with little sputum. Epidemiologists isolated pathogen in the cooling system of the air conditioning unit.

  The measurements to be comparable in both preparations

The measurements to be comparable in both preparations. Illustrate one experiment you could perform to demonstrate such lack of equivalence of the two cells in the zygote. Noticeably state the expected outcome of your experiment in the reply you prov..

  Water travels over the gills from anterior to posterior

If repressor tetramer uses only two of its subunits to bind to an operator sequence, why is tetramer formation so important to the control of lac operon gene expression.

  An action-potential signal to a postsynaptic neuron

For in case, it is well established that in presynaptic neurons, the elevation of cytosolic calcium triggers the fusion of exocytotic vesicles that contain neurotransmitters to the plasma membrane.

  What change in the ecosystem by the course of succession

In the year following the fires, wildflowers sprouted in all burned areas, closely followed in subsequent years by seedlings of the trees that normally grow in the area, such as aspens and lodge poles pines. What changes in the Ecosystem will take pl..

  Describe the tonicity of the external solution

How would you answer to a person who argued that there is nothing to worry about because natural systems, through natural succession, will heal the wounds of human activities and restore the balance of nature.

  What are the expected frequencies of three phenotypes

What are the expected frequencies of three phenotypes (bald, red hair, yellow hair) in the male offspring of this cross? Imagine we observe 50 percent bald, 42 percent yellow hair, and 8 percent red hair. What is a recombination fraction between the ..

  Rhosopseudomonas is an anaerobic photoautotroph

Rhosopseudomonas is an anaerobic photoautotroph. How would you sterilize a mattress used by a patient with bubonic plague.

  What are the genotypes of the parents

What information does it not provide that may be useful for deciding on conservation efforts. What are the genotypes of the parents.

  Which of the next statements is untrue of the light reaction

Which of the next statements is untrue of the light reaction in photosynthesis.

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