1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
RSB [31]
4 years ago
13

An investigator attempting to replicate Pasteur's swan-necked flask experiment has boiled a hay infusion for 1 hour. However, sh

e observes growth in the flask after 1 day (even when undisturbed). What is the likely explanation for this result?
Biology
1 answer:
blsea [12.9K]4 years ago
4 0

Answer:

Hay infusion refers to an amalgamation that can be formed by taking samples from different sources like rivers, lakes, ponds, and others. It is one of the best procedures that can elevate the density of the bacteria cell at any specific time interval.  

In the given case, even after boiling hay infusion for one hour, growth was observed in the flask after one day. It can be due to certain factors like the hay infusion may have been comprising some endospore, which is resistant to heat or may comprise some kinds of bacteria that can withstand high temperatures.  

Because of which, even after heating the infusion for one hour, it did not get influenced by the heat and got the chance to grow when it got optimum temperature again at the time when the sample was left as such.

You might be interested in
In the interactive activity, what are the possible phenotypes for fur color and what gene represents each?
dangina [55]

Answer:

Fur colour can be represented by both the dominant and the recessive alleles of the gene encoding the fur color.

Explanation:

  • Considering that the fur colour trait follows Mendelian laws of inheritance.
  1. The dominant allele can express itself in both the homozygous and heterozygous condition.
  2. The recessive allele can represent itself only in the homozygous condition.
  3. Therefore, there will be two phenotypes, one will be represented by both the homozygous dominant and heterozygous dominant genotypes and the other represented by the homozygous recessive genotype.
  • Considering that the fur colour trait does not follows Mendelian laws of inheritance (Incomplete Dominance or Codominance).
  1. In Incomplete dominance, three phenotypes are observed, for each of homozygous dominant, heterozygous dominant and homozygous recessive genotypes respectively.
  2. In Codominance,  phenotypes of both the dominant and recessive genotype is shown in the same individual.
4 0
3 years ago
What is the best description of chromosomes by the end of anaphase II of meiosis?
mixer [17]

Answer:

The chromosomes of two diploid cells split apart at the the centromere

Explanation:

8 0
3 years ago
What are the four major groups of plants?<br> *
Likurg_2 [28]

Answer: The kingdom Plantae consists of four major plant groups on land: bryophytes (mosses), pteridophytes (ferns), gymnosperms (cone-bearing plants), and angiosperms (flowering plants). Plants may be categorized as vascular or nonvascular.

Explanation:

7 0
3 years ago
Read 2 more answers
linear mixed model with leave one chromosome out (LMM-Loco). It has a detailed description in Parker et al 2016
OLEGan [10]

Linear fixed model is a statistical model that includes both fixed effects and random effects is known as a mixed model, mixed-effects model, or mixed error-component model. These models have applications in a wide range of fields in the physical, biological, and social sciences.

<h3>How do you perform a genome scan with a linear mixed model?</h3>

Mice genetic mapping provides a superb illustration of the value of population structure. The tiny number of founders (fancy mice) from whom laboratory mouse strains originated led to many population bottlenecks. The history of wild-derived strains differs from that of laboratory strains since they are not descended from fancy mice. In order to tackle relatedness between people and population structure issues brought on by varying ancestries, linear mixed models were devised. In order to account for population structure, known kinship, and unknowable relatedness, linear mixed models (LMMs) take genome-wide similarity between all pairings of individuals into consideration. By include kinship in the model, linear mixed models in mapping studies can successfully adjust for genetic relatedness between individuals in a population.

To learn more about genome:

brainly.com/question/20215717

#SPJ4

8 0
2 years ago
I need help.... Cyanobacteria formed colonies called stromatolites. These used to be plentiful. What role did they contribute to
frutty [35]
Answer - Cyanobacteria aka Algae that contributed in creating O2 for the atmosphere as a byproduct thru Photosynthetic.

Reason - Of course Algae make up mainly the whole world in waters and they do photosynthesis to give off oxygen in the atmosphere.
5 0
3 years ago
Other questions:
  • In a pitcher of kool aid, what is the solute, what is the solvent , and what is the solution
    8·1 answer
  • what is the major environmental factor limiting the numbers of autotrophs at great depths in the ocean
    8·1 answer
  • Which of the following would be an individual's most important contribution to limiting the spread of illness?
    15·1 answer
  • Which of earths layers is shown by the letter Z in the image above?u
    13·2 answers
  • A man with a 5-year history of multiple psychiatric admissions is brought to the emergency department by the police. this client
    6·1 answer
  • The a large group of animals migrates from a summer breeding ground to a warmer winter ground. Which type of adaptation does thi
    6·2 answers
  • Incomplete and codominant traits
    11·1 answer
  • Over time, adaptations can lead populations to experience:
    5·1 answer
  • 1. All proteins are made up of 20 amino acids, but still, some protein takes up the function of the enzyme and some act as a tra
    7·1 answer
  • Do hippos partake in games of their own making? This would include fat guy hopscotch, poking poker, and a couple other animal ti
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!