Because the ninhydrin test produces the same purple color for all amino acids except for proline, it cannot be used to identify all other 19 amino acids.
What are amino acids?Amino acids are the molecules from which proteins are made.
Amino acids contain an alpha amino and carboxyl group, with a side chain group attached.
The ninhydrin test is used to test for the presence of amino acids generally and for proline specifically.
Since the ninhydrin test produces the same purple color for all amino acids except for proline, it cannot be used to identify all other 19 amino acids.
Learn more about amino acids at: https://brainly.com/question/2526971
1.
Which of these would not be used by a
scientist to determine the evolutionary
relationship between two species?
A. bone structure
B. fossils
C. DNA
D. population size
Answer:
Population size should be the correct answer
Explanation:
Can somebody help with this please I can’t find the answers and my teacher is no help
Answer:
Fossa -> D
Head-> E
Tubercle-> C
Condyle -> A
Epicondyle -> B
Explanation:
The condition that is most likely causing M’Kenna’s symptoms is
please help!!
…………………….
Answer:
I think it is b but where is the map?
Explanation:
Modern humans first appeared about ____ years ago.
A. 2 billion
B. 200,000
C. 20,000
D. 2 million
Answer:
200,000
Explanation:
I searched and it said 300,000, so thats my best guess.
To the base pair given write the correct matching base pair for
DNA across from it in the text box provided
AT, GC
Explanation:
Adenine (A) pairs with Thymine (T).
Guanine (G) pairs with Cytosine (C).
A - T
C - G
T - A
T - A
G - C
C - G
hope this helps you!
Meiosis makes?
a. somatic cells
b. squamous
c. gametes
Answer:
C
Good Luck!!
explain effect of rain on germination of the seed
Explanation:
rain water supports seeds
A muscle cramp is a sudden, painful contraction of a muscle during which movement is difficult. What is happening at the cellular level during a musde cramp?
A. A lack of calcium causes the sarcomeres to lock together. preventing relaxation.
B. Myosin and actin do not fully detach, so the muscle cannot relax.
C. The motor neuron does not send a signal, so the muscle cannot relax.
D. The proteins in the myofibrils become denatured, preventing relaxation.
whats genetics and breeding
Answer:
Genetics- this is the scientific study of genes and heredity.
Breeding- The production of offspring by animals.
The cause of many volcanic eruptions is the movement of…
a. Earth’s mesosphere b. Earth’s inner core c. Earth’s tectonic plates d. Earth’s oceans
In ancient Greece, Aristotle developed a system of classification which was used for the next 2000 years to describe relationships between living things. Which of the following questions would be most difficult to answer based on Aristotle's classification of living things?
Are cows more complex than oak trees?
Are tomato plants higher or lower than snails?
Which species shows less complexity, a cat, or a dog?
Which organism is lower, a squirrel or a lobster?
the anserw should be option c
Answer:
Which species shows less complexity, a cat or a dog?
Explanation:
took the exam and got it right ;)
what would this answer be, i’ll give you brainlist
heloo can you all help me .which one the correct answer..
India: Gujarat Kite Festival
Read the passage and answer the following questions
1. When is the Gujarat Kite Festival?
2. What was the lantern that tied to the string known as?
3. Why do they celebrate Gujarat Kite Festival?
4. What was the importance of the celebration of Makar Sankranti?
5. Who introduced Uttarayan?
6. How many people participate in the whole festival?
7. Why do visitors come from around the world?
8. What is the name of the kite festival that is held in America?
Answer:
1.a) 14 January
2.a) paper lanterns
3.a) The kite festivals signify Gujarat's cultural strength and like the kites, Gujarat soars high to touch the skies to be the best in the world.
4.a) Uttaryan marks the end of long winter. the special significance attached to the celebration of Makar Sankranti
5.a) I don't know this answer sorry
6.a)8 to 10 million people participate
7.a)They come to take part in the celebration
8.a)The blossom kite festival
Explanation:
Hope it helps pls mark as brainliest (Crown)
Does a plant cell undergo cytokinesis?
Answer:
Plant cells have walls, so cytokinesis cannot proceed with a cleavage furrow. Instead, during telophase a cell plate forms across the cell in the location of the old metaphase plate.
Question 4 of 5
Which prediction is most likely when the air pressure decreases?
A. Clear skies will become stormy.
B. Heavy precipitation will continue.
C. Wind speeds will decrease.
D. Temperatures will decrease.
SUBMIT
Explanation:
HEY. buddy
what's up dude
i am Indian
what about you
can any one free coming in my meeting
True or False: A DNA strand that has the sequence of TACGTT would have a 1 point
complimentary strand "ATCGAT" *
True
False
Answer: false
Explanation: the correct complementary strand would be ATGCAA
TRUE or FALSE: If the Earth did not rotate major currents of wind and water would go straight north and south without curves.
give ways for increasing and reducing friction
Explanation:
Methods to increase or reduce friction
Grease is added between the moving parts in machines, to reduce friction. Another method of reducing friction is by using bearings. When ball bearings are introduced between two surfaces friction is reduced because of the freely rotating metal balls.
Answer:
Methods to increase or reduce friction
Grease is added between the moving parts in machines, to reduce friction. Another method of reducing friction is by using bearings. When ball bearings are introduced between two surfaces friction is reduced because of the freely rotating metal balls.
Describe how fossil fuels are used to produce electricity, and explain how an electric generator work
Answer:
Fossil fuel power plants burn coal or oil to create heat which is in turn used to generate steam to drive turbines that generate electricity. These plants generate electricity reliably over long periods and are generally cheap to build.
One shrimp was introduced into a tube with pond weed and the tube was placed in a bright light for 5 hour what would the color be if we add hydrogen carbonate
sorry i cant help u with that
Impact of lymphatic disorder
Answer:
The lymphatic system clears away infection and keeps your body fluids in balance. If it's not working properly, fluid builds in your tissues and causes swelling, called lymphedema. Other lymphatic system problems can include infections, blockage, and cancer.
Explanation:
II found this on the internet cause i don't really know. Hope it helps
With the aid of chemical equation describe the process of photosynthesis
Answer:
The photosynthesis equation is as follows: 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen.
Explanation:
25. (10.04 MC)
Which of the following items should be included in a family preparedness plan?
1. A survival kit
II. An evacuation plan
III. A list of valuable furniture
IV. A list of emergency contacts
(1 point)
I and Il only
II and III only
I, II, and III
I, II, and IV
Answer:
I,II and IV
Explanation:
A Survival kit with everything needed for emergencies. contacts of family and doctors and a plan to get to safety.
A cell or group of nerve endings which receive stimulus and transmits the impulse to the spine or brain is called the effector.
True or false
Answer:
True
Explanation:
Effector is an organ or cell that acts in response to a stimulus.
how to conserve our environment and prevent climate change?
10sentences
Answer:
Opt for eco-friendly options like solar energy and win power. Take up the habit of recycling and reusing. Do not throw away things instead learn to reuse them properly. Further, carpool with your neighbors and relatives to not contribute to automobile exhausts and emissions. Eliminate Waste from Lunches, Stop Littering.,Reduce Paper Consumption., Save Electricity.,Save Water.,Swap Regular School Supplies.,Bring Reusable Bags to the Grocery Store., Walk to School or Take a Bike, Avoid Taking Cars or Carpool when possible. Humans can adapt to climate change by reducing their vulnerability to its impacts. Actions such as moving to higher ground to avoid rising sea levels, planting new crops that will thrive under new climate conditions, or using new building technologies represent adaptation strategies.
Explanation:
What do all living things have? Check all that apply
Answer:
What are the options? Here are some possible answers though:
are made of cells
need energy
can breathe
respond to stimuli
can reproduce
grow and develop
Explanation:
Label the important points in concave and convex lens
Need help
There have a choices
Vertical axis,focal point, focal length,Curvature,Optical center,Principal axis
What would be the dimensions of a Punnett Square depicting a dihybrid cross?
Answer:
for a monohybrid cross, you are crossing two alleles with two alleles. in a dihybrid cross, you are crossing four alleles with four alleles.
explain biotic components of wetland ecosystem