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
nadezda [96]
3 years ago
14

The proposed cause of CJD and kuru in humans, mad cow disease, and scrapie in sheep is a change in a brain protein. Disease vict

ims appear to have a protein that should normally contain alpha helices but instead they have changed into a protein made of beta pleated sheets. The disease appears to spread when the abnormal protein comes into contact with the normal protein, causing it to become deformed. Which level of protein structure is associated with these diseases?
Biology
1 answer:
TiliK225 [7]3 years ago
3 0

Answer:

secondary structure

Explanation:

Alpha helices and beta sheets are two main structural forms in secondary structure of proteins. This structures are formed spontaneously. The next step of protein structure formation is folding into tertiary three-dimensional form.

In diseases such as CJD and kuru, protein prion is changed in structure. It is not known how degeneration of priones protein structure occurs, but it can lead to neurodegenerative diseases which can even be fatal.

Priones are also known as proteinaceous infectious particles.

You might be interested in
What do geological principles tell you about inclusions?
Marizza181 [45]

Answer:

the answer is c

Explanation:

6 0
3 years ago
Read 2 more answers
What would be the strand of complementary DNA produced by the strand of DNA shown below? ATG CGA
Nadusha1986 [10]

A strand of DNA having base sequence as ATG CGA. The complementary strand of DNA will be produced with base sequence as TAC GCT. In the double strand DNA nitrogenous bases paired in a specific manner, A (Adenine) always pair with T (Thymine) with double hydrogen bond or vice-versa and C (Cytosine) pair with G (guanine) with triple hydrogen bond or vice-versa.

6 0
3 years ago
Read 2 more answers
Darwin’s theory of natural selection applies only to birds. A. True B. False
Lesechka [4]
False, it was with any type of organism
8 0
3 years ago
Read 2 more answers
Chromosome pairs contain different versions of genes, which are called?
Zarrin [17]
The answer is, different versions of the same gene are called alleles
3 0
3 years ago
During the development of a multicellular organism, its cells specialise. What is this process of specialisation called?
Tomtit [17]
Cellular differentiation 
4 0
3 years ago
Read 2 more answers
Other questions:
  • An ecosystem consists of all of the populations of multiple species living in a particular place. an ecosystem consists of all o
    7·1 answer
  • Scientists want to determine how closely related chimpanzees are to humans. Which data would give the MOST accurate comparison?
    6·2 answers
  • The tendency of people to perform simple or well-learned tasks better when others are present is the original meaning of
    7·1 answer
  • Which disease is a progressive, degenerative disease of the brain that ultimately results in dementia and is associated with a s
    7·1 answer
  • Suppose you were interested in the effect of breastfeeding versus formula feeding on the composition of gut flora in newborns. A
    6·1 answer
  • Adding all the three primary colors-red, green, and blue-at maximum intensity produces the color _____, while adding any two of
    5·1 answer
  • As an environment changes, and some organisms have a higher fitness than other, natural selection acts directly on
    11·1 answer
  • The first stage, glycolysis, occurs in is_____conditions,or without oxygen.
    14·1 answer
  • Name of Tail-like organelle used by some protist
    13·1 answer
  • What function do chloroplasts perform?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!