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
melomori [17]
2 years ago
14

Help me please its due in a hour

Biology
1 answer:
Thepotemich [5.8K]2 years ago
7 0

Answer:

The correct answer is - in the sickle-cell hemoglobin is the replacement of glutamic acid with valine in the β-globin amino acid chain.

Explanation:

Sickle cell anemia has a mutant gene in which that produces has valine amino acid instead of glutamate in the hemoglobin protein. In the given question the structure of the protein has only one difference that is the replacement of the glutamic acid in normal hemoglobin to valine in the β-globin amino acid chain in the mutant protein.

Valine 6 (beta chain) binds to a different hydrophobic patch (on the alpha chain and causes the disease in sickle cell anemia cases.

You might be interested in
In a certain population of red squirrele, a mutation causes several squirrels to
mihalych1998 [28]

Answer:

in a certain population of red squirrele, a mutation causes several squirrels to

be bom with darker coats. These coats make the squirrels nearly inweible

when they are foraging on the forest floor , According to the theory of evolution by natural selection, what is likely to  happen to this trait after several generations?

After several generations, this trait is likely to be much more  common because individuals with the trait will have a greater  chance of passing it on to their offspring,

Explanation:

It would later turn to what is termed as germline mutation which are mutations passed from parent to offspring, as time progresses the trait would be more and increases the chance of being transferred to their offspring

3 0
3 years ago
Read 2 more answers
Which of these is a pure substance . dimond . salt . ocean water a. a and b. b and c
Mazyrski [523]
I think salt is it                                            
........................
7 0
2 years ago
Read 2 more answers
The role of bike salts in the alimentary canal is​
professor190 [17]

Answer:

If the question states "the role of bile salts in the alimentary canal is" not "the role of bike salts in the alimentary canal is" then the role of the bile salt is to act as detergents and emulsifying large fat droplets into small ones

4 0
2 years ago
A main job of hcl is to begin _______ digestion. carbohydrate fat protein
s344n2d4d5 [400]
The answer to this is protein.

Hydrochloric acid in digestive system is found in stomach, which is the only main digestive organ with an acidic pH 2.

In the stomach, only one kind of the primary food substance is chemically digested, which is protein. It is digested with the help of enzyme Pepsin, which breaks protein chains into polypeptides.

After that, the other organs of the digestive system has more of a neutral to slightly alkali condition, which is not related to hcl. Therefore, the answer is protein.
5 0
2 years ago
Read 2 more answers
What's test for oil .List at least three and explain . I will mark brainliest.​
lawyer [7]

Answer:

emulsion test

Explanation:

add substance in a beaker and add ethanol (aa type of alcohol) into the beaker. when (a little) water is added small fat globules and a cloudy white suspension will be created if oil is present on the substance

6 0
3 years ago
Other questions:
  • Which statement(s) is/are indicative of a covalent bond?
    13·1 answer
  • Two tongue-rollers have 12 children. 8 of their children can roll their tongues and 4 cannot. Make an argument about the genotyp
    8·2 answers
  • Which is least likely to be a symptom of lymphedema
    9·2 answers
  • The purpose of molasses is to make game it is also known as sperm and egg cells and humans your body has 46 chromosomes how many
    11·1 answer
  • What are three main DNA mutations
    8·1 answer
  • Bile salts break down _____ and are made in the __________.
    7·1 answer
  • 4. Which are supposed to be healthier for humans to consume, saturated fats or unsaturated fats? Hypothesize what the types of b
    13·1 answer
  • I really need help this is due tomorrow and is gonna cause my to fail the class :(
    11·1 answer
  • Please answer ;-;
    6·2 answers
  • What is occurring during the s phase of the cell cycle?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!