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
Molodets [167]
3 years ago
9

Write the reason why starch test shows blue-black color.​

Biology
1 answer:
Ronch [10]3 years ago
6 0

Answer: Amylose in starch is responsible for the formation of a deep blue color in the presence of iodine.

Explanation :The iodine molecule slips inside of the amylose coil.n This makes a linear triiodide ion complex with is soluble that slips into the coil of the starch causing an intense blue-black color.

You might be interested in
Creating a prototype and troubleshooting are steps in the development of
noname [10]
<span>The scientific method</span>
4 0
3 years ago
Read 2 more answers
In a population, when the birthrate becomes higher than the death rate, the population’s growth rate
erastovalidia [21]
Higher. More births in 1 year and less deaths gives a bigger amount of people.
 Hope I helped! :)
4 0
4 years ago
Read 2 more answers
Which statement about natural selection is true?
Varvara68 [4.7K]
The answer is “C”. Natural selection is about ones traits being better than another’s which allow it to survive in the wilds longer.
5 0
3 years ago
Read 2 more answers
Creative examples of biotic and abiotic factors quick!
Ivanshal [37]

Answer:

<u>Some overall examples of biotic and abiotic factors are listed below.</u>

<u>Biotic factors: predators, competitors for food, competitors for space, parasitism, disease, animals, plants.</u>

<u>Abiotic factors: sunlight, wind, soil, atmosphere, water, temperature, humidity, UV radiation, salinity, pH levels.</u>

4 0
3 years ago
What is the main function of the endocrine system?
Romashka [77]

Answer:

c

Explanation:

to secrete hormones.this let the harmones travel to cells in other parts of body.

8 0
3 years ago
Read 2 more answers
Other questions:
  • ¿Cuáles son los dos genotipos posibles para una persona que con sangre A?
    6·1 answer
  • Osteocytes maintain contact with neighboring osteocytes in adjacent lamellae via dendrite-like extensions through ____________
    11·1 answer
  • A gated channel in a cell membrane allows
    6·2 answers
  • Imagine that a strand of DNA has the following sequence of bases: AAGTTCGTCATC. What sequence of bases will the complementary st
    14·1 answer
  • Which of the following is an observation?
    15·1 answer
  • Angiosperms _____. have flowers have cones are nonvascular are seedless
    7·1 answer
  • Which element is more important to life, water or carbon?
    8·2 answers
  • 3. PLEASE HELP WITH THIS WILL GIVE BRAINLIST 2 BEST ANSWER
    10·1 answer
  • 9.
    9·1 answer
  • Which cranial nerve pair has two sensory branches which both pass through the internal acoustic meatus?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!