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
zloy xaker [14]
3 years ago
5

What is the role of an indicator? Predict how the glucose test strips and iodine would react with the following foods: Grape Tom

ato Summer squash Orange Bell pepper
Biology
1 answer:
pogonyaev3 years ago
8 0
The main role of an indicator is to establish the equivalence point when two substance has reached its neutralization process. The purpose of an indicator is to determine how acidic or basic the product or solution is. Indicator solutions work by actually reacting with the components of food that they test for, creating a new substance of a different color. This is a chemical reaction.If the substance that they test for is not present in the food, there will be no reaction, and therefore no color change.  The test strips will be more likely to be dark blue or black for  Grape, Tomato, Summer squash, Orange Bell pepper as they all contain starch. Color intensity may vary depending on the level of starch found in the samples. 
You might be interested in
How is it possible that viral dna can be inserted into the genome of bacteria?.
zepelin [54]

Viral DNA can be inserted into the genome of bacteria by manipulating a specific enzyme known as DNA ligase.

<h3>What is DNA ligase?</h3>

This is a special enzyme found in humans and other forms of DNA. The role of the DNA ligase enzyme is to fuse together distinct strands of DNA. By manipulating this enzyme, scientists have achieved genetic modification.

Therefore, we can confirm that due to the successful manipulation of an enzyme known as DNA ligase, scientists have been able to insert viral DNA into the genome of bacteria.

To learn more about enzymes visit:

brainly.com/question/24811456?referrer=searchResults

3 0
2 years ago
Summarize the importance of cell transport to supporting life.
solmaris [256]
Passive Transport: Simple Diffusion

Diffusion across a cell membrane is a type of passive transport, or transport across the cell membrane that does not require energy. Remember that the cell membrane is a phospholipid bilayer. Although the inside and the outside of a cell are both water-based, there is a hydrophobic region in the middle, and this is an important barrier to anything large, charged, or hydrophilic. Molecules that are hydrophobic, just like the hydrophobic region, can pass through the cell membrane by simple diffusion.

Therefore, simple diffusion is the unassisted passage of small, hydrophobic, nonpolar molecules from a higher concentration to a lower concentration. Very small molecules can slip through the cell membrane, too, even if they are hydrophilic - just like a few ants might crawl through a crack in the wall just because they're tiny.

4 0
3 years ago
Three DNA bases exist primarily as the keto tautomer because more hydrogen bonding interactions are possible in this form. Howev
Vesnalui [34]

Answer:

The scheme of the tautomers of cytosine, guanine and thymine are found in the attached file

Explanation:

The primary imine-amine tautomerism occurs in heterocyclic compounds where hydrogen may be forming the amino group (primary amine form) or migrate to adjacent nitrogen (imine form), may occur in some nitrogenous bases such as cytosine. Thymine shows double lactam-lactymal tautomy (where hydrogen migrates from the nitrogen atom to the oxygen atom of the heterocycle oxo group (lactam form) and vice versa (lactose form)), and guanine and cytosine can both.

Download pdf
4 0
3 years ago
What’s the correct answer for #3
JulsSmile [24]

Answer:

B but i might be wrong i dont think its A or D though

4 0
3 years ago
Read 2 more answers
How are increased levels of “greenhouses gases” responsible for the Enhanced Greenhouse Effect? (long answers please)
sergij07 [2.7K]

Answer:An increase in these gases in the atmosphere enhances the atmosphere's ability to trap heat, which leads to an increase in the average surface temperature of the Earth. As a result, the Earth's average surface temperature is kept at about 15°C by the blanket of atmosphere that surrounds it.

Explanation:

7 0
3 years ago
Other questions:
  • The situation in which allele frequencies in the gene pool of a population remain constant is called
    5·1 answer
  • DNA libraries are useful for identifying and isolating eukaryotic DNA fragments of interest in research. Select the ways in whic
    8·1 answer
  • How much of earths surface is covered by the world ocean
    12·2 answers
  • What are the 2 main funtions of dna ?
    8·1 answer
  • Sally wants to know why the leaves of her plants are turning yellow. She suspects it is because the plants are not receiving eno
    8·2 answers
  • Louis Pasteur performed a series of experiments that disproved spontaneous generation. What aspect of his design represented the
    14·1 answer
  • Who was the first to disprove spontaneous generation?
    10·1 answer
  • Imagine that you are a scientist who has discovered a new object. You want to find out if the object is biotic or abiotic. You o
    12·2 answers
  • Por qué es importante el uso de la notación científica en física? *
    11·1 answer
  • Using the phylogenetic tree which is more related fungi and animals or plants and fungi. Explain why​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!