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
brilliants [131]
3 years ago
11

What class of organic compounds is composed of amino acids?

Biology
1 answer:
Akimi4 [234]3 years ago
7 0
Proteins are made of amino acids.
You might be interested in
Scientists once believed that modern-day reptiles were the only living descendants of dinosaurs, which were reptiles. Accumulati
Mrrafil [7]

This is the complete question

Scientists once believed that modern-day reptiles were the only living descendants of dinosaurs, which were reptiles. Accumulating fossil evidence has now suggested that the most recent dinosaurs gave rise to birds, making birds one of the closest living relatives of dinosaurs.

What statement provides the strongest evidence to support the claim that birds evolved from dinosaurs?

A. A fossilized rib cage of the semi-aquatic dinosaur Spinosaurus shows that it had lungs.

B. Fossils of the beaked dinosaur Ankylosaurus show that it had modified scales that produced hard, bony plates.

(C. Fossils of the winged dinosaur Archaeopteryx show that it had modified scales that produced feathers.) c is the right answer

D. A fossilized nest of the herbivorous dinosaur Brachiosaurus shows that it laid external eggs.

The correct answer is option C, that is, fossils of the winged dinosaur Archaeopteryx show that it had modified scales that produced feathers.  

<h3>What is Archaeopteryx?</h3>

Archaeopteryx is considered an intermediate fossil between the dinosaurs and modern birds.

With its amalgamation of reptilian and avian characteristics, it was long considered as the earliest known bird. It was found in 1860 in Germany, it is sometimes also called Urvogel, that is, the German term for a first bird or original bird.  

Thus, The correct answer is option C.

To learn more about Archaeopteryx click here:

brainly.com/question/17059171

#SPJ1

5 0
2 years ago
In which of the following ways could humans help the carbon cycle return to normal
navik [9.2K]

Answer:

reduce the amount of fossil fuels they combust

Explanation:

Fossil fuels lead to environmental damage and its burning releases a lot of pollutants especially carbon and sulphur oxide to the air. The carbon increase in the atmosphere may lead to global warming because of the so-called greenhouse effect. To reduce carbon by returning to the normal cycle, humans can reduce the amount of fossil fuels they combust, try converting solid coal to gas or liquid and for removing pollutants or alternatively used renewable energy sources that are less pollutant.

5 0
3 years ago
Which of the following is characteristic of ciliates? A. They can exchange genetic material with other ciliates by the process o
eimsori [14]

Answer:

The correct answer is option B.

Explanation:

The ciliates are a group of the organism of protozoans characterized by the presence of cilia, a hair-like structure, that appears to be the same as the eukaryotic flagella.

These organisms are shorter in size and found in high numbers. They normally have more than one nuclei so known as multinucleate. They found in the freshwater.

Thus, the correct answer is option B.

8 0
4 years ago
What will happen to the amount of food available as a pondwater ecosystem ages
Paraphin [41]

Answer:

The level of the water in the pond would increase.

Explanation:

3 0
3 years ago
g Feedback inhibition is important for the regulation of many metabolic pathways. Which of the statements are examples of feedba
goblinko [34]

Answer:

-The beginning of glycolysis is inhibited by high levels of ATP in the cell.

-The production of tryptophan is halted by the presence of excess tryptophan.

Explanation:

6 0
3 years ago
Other questions:
  • What is used to make a linkage map for a group of organisms?
    8·2 answers
  • From medial to lateral the erector spinae muscles are the ________.
    15·1 answer
  • What structure converts food into usable chemical energy through cellular respiration?
    11·2 answers
  • Where can you find prokaryotic and eukaryotic cells?
    5·2 answers
  • In many animals, height is an example of a polygenic trait. Which types of natural selection can affect polygenic traits? I. dir
    7·1 answer
  • Which organelle is responsible for sorting and packaging proteins for storage and/or secretion from the cell?
    11·2 answers
  • #1 Two new methods for cleaning oil spills are being tested and are in phase one of their trials.
    9·1 answer
  • During which stage of interphase does DNA replicate?
    9·1 answer
  • explain how red colorblindness is inherited. why is this condition more common in males than in females
    10·1 answer
  • In a diploid cell, a FISH probe should produce ____________ signals in metaphase FISH and ____________ signals in interphase FIS
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!