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
Flauer [41]
3 years ago
14

What are feathers composed of

Biology
2 answers:
ycow [4]3 years ago
8 0
Feathers are composed of beta-keratins, they are protein strands with hydrogen bonded to beta-pleated sheets and they are further cross-linked by disulphide bridges into an even tougher structure.
sergij07 [2.7K]3 years ago
7 0
Feathers are made from the protein Keratin

You might be interested in
Which is the first era of Earth’s history?
sergiy2304 [10]
I believe it’s Precambrian.
7 0
3 years ago
Read 2 more answers
What is the name of the procedure for finding the volume of an irregular shaped solid called?
Evgen [1.6K]
Guass law ....i think
3 0
4 years ago
Read 2 more answers
________ form when a source of energy causes a medium to vibrate
scoundrel [369]
<span>Mechanical waves....</span>
3 0
3 years ago
A slow reproduction process is a disadvantage of which from of reproduction
Alinara [238K]

Answer:

Disadvantages.

Explanation:

A big disadvantage of sexual reproduction is that the process is much slower than asexual reproduction. For starters, the cell division, which is meiosis, is more complex and has more stages than mitosis.

3 0
3 years ago
How is most of the electricity in the United States generated?
Snowcat [4.5K]
Fossil fuels are cool thanks
8 0
3 years ago
Other questions:
  • Which cell has both a cell wall and a cell membrane?<br><br> please answer quickly its urgent
    11·1 answer
  • If the light colored moths were better adapted to the light colored trunks of the trees. Why were dark colored moths still prese
    7·2 answers
  • Parasympathetic and sympathetic refer to the two branches of the
    8·1 answer
  • Which of these choices is a disadvantage of the endangered species act ?
    8·2 answers
  • Coral reefs are unaffected by pollution.<br> true or false
    13·1 answer
  • When ATP breaks off the third phosphate group, it is converted into __________.
    14·2 answers
  • What is a cyclical disturbance
    14·1 answer
  • I have all day, last class! answer ASAP!!!
    12·2 answers
  • What does the pancreas, shown in the image below, do?
    9·1 answer
  • Drag the appropriate descriptions of the subatomic particles into the following boxes. Labels may be used more than once.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!