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
vekshin1
3 years ago
14

You are attempting to see if a suspect is associated with a crime. The only evidence you have is a tiny drop of blood from the c

rime scene, which is not enough to run an analysis. How can you increase your crime scene DNA sample
Biology
1 answer:
kykrilka [37]3 years ago
6 0

Answer:

There are no options in this question but generally a sample of DNA can be increased;

By using Polymerase Chain Reaction (PCR) technique.

Explanation:

This question describes the application of making molecular biology to solving a crime problem; a branch called forensics. In this case where an insufficient small amount of DNA sample was recovered from the blood in a crime scene, the polymerase chain reaction technique, commonly known as PCR can be used to increase the DNA sample.

In the 1980's, a molecular technique used to amplify part of a template DNA strand to produce several copies of it, was invented by Kary Mullis and his colleagues. This amplification refers to the numerical increase in the number of DNA sequence.

You might be interested in
Vascular plants help maintain the water cycle. Which property of these plants enables them to carry out this function?
Neporo4naja [7]
A.)Well–developed vascular system
Vascular plants help maintain the water cycle. The property of these plants enables them to carry out this function is their well-developed vascular system. These type of plants are more evolved and developed than nonvascular plants because of its specialized characteristics like xylem, which is a tissue that is responsible for its framework and not only that, it is also has a greater mechanism for water transference. Another is phloem, which is responsible for food conduction.



4 0
3 years ago
1.
Hitman42 [59]

Steps to improve food safety in commercial food preparation units like restaurants .

  1. Wash and sanitize hands to begin food preparation
  2. Clean & sanitize the prep sink or the 3-comparment sink
  3. Remove smallwares & dishes from the preparation area
  4. Set up equipment for food preparation

Explanation:

Food contamination is the major source for foodborne infections and illnesses

Ensuring safe food preparation, cooking and storage practices are prime importance for any commercial food preparation unit like restaurants, hotels, etc

The standardized procedures while cleaning, separating, cooking and storing food should be followed.

Cleaning processes first include personal cleaning as well as cleaning the preparation.

Personal cleaning includes washing and sanitizing the hands periodically before, during and after food preparation and after any other activities like using the toilet, baby dressing, touching garbage etc

Cleaning the preparation area including the 3-compartmental sink for washing, rinsing and the sanitizing

Separating the utensils as per cooking methods and dishes like using separate cutting knives or boards for raw and cooked meat, poultry or fish products

Cooking the food at a right temperature depending upon the type of cooking

Storing or chilling processes appropriately according to the food type under appropriate temperature should be followed.

5 0
3 years ago
Which one is organ????
Flauer [41]
I think is the letter, S
3 0
3 years ago
Read 2 more answers
In the African savanna, more wildebeest are born than the environment can support which is most likely to happen over a period o
irina1246 [14]

Answer:

In the African savanna, more wildebeests are born than the environment can support. Which is most likely to happen over a period of years as a result? Individuals that are well suited to the environment reproduce, and those that have lesser adaptations die before they reproduce.

8 0
3 years ago
Explain why sublimation is rare and describe the conditions in which it usually occurs.
san4es73 [151]
Sublimation( solid---gas) is extremely rare because the particular solid needs to exert a high amount of vapor pressure to the extent that it is greater than atmospheric pressure.
7 0
3 years ago
Other questions:
  • List three objects that interact with magnetic fields
    13·1 answer
  • Explain the goal of gene therapy.
    11·2 answers
  • How are algae cells different from other cells
    13·2 answers
  • Tissue grafts harvested from a different animal species are known as ________.
    5·1 answer
  • Why is nitrogen fixation such an important step in the nitrogen cycle?
    7·2 answers
  • Which of the following does not represent a common outcome following introduction of foreign DNA into a bacterial cell?Choose on
    5·1 answer
  • This is part one of the questions i need help on
    15·1 answer
  • In invertebrates both nitrogenous and digestive wastes are eliminated through the anus because the
    15·1 answer
  • Dr. Williams is a psychologist who believes that motivation is produced when we feel an uncomfortable internal state that pushes
    8·1 answer
  • List any three uses of psychology in the real-world and explain their impact. Respond in a minimum of five sentences.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!