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
Lisa [10]
3 years ago
13

there are twenty standard amino acids that make up all proteins. What four elements are found in all amino acids?

Biology
2 answers:
Westkost [7]3 years ago
6 0
Hydrogen, oxygen, nitrogen, and carbon
kkurt [141]3 years ago
6 0
Hydrogen and oxygen..........
You might be interested in
Why are decomposers called nature s recycling trucks?
serg [7]
When plants and animals die, they become food for decomposers like bacteria, fungi and earthworms. Decomposers or saprotrophs recycle dead plants and animals into chemical nutrients like carbon and nitrogen that are released back into the soil, air and water.
5 0
3 years ago
What is a peptide bond
dezoksy [38]
A peptide bond is a chemical bond<span> formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O). 
Source; </span>https://www.sciencedaily.com/terms/peptide_bond<span>.htm</span>
4 0
3 years ago
Read 2 more answers
A 20 fluid oz. soda contains 201 calories. how many kilojoules does the soda contain?
algol [13]
  The relation between calorie and kilo joul is  

1Cal=4.184 Kj  

1 Cal--------------------4.184 Kj
201 Cal--------------------- X Kj  
X=201*4.184/1=840.98 Kj  
<span>20 fluid oz. soda contains 840.98 Kj</span>
7 0
2 years ago
Read 2 more answers
ATP Has phosphate,and ADP has
valina [46]
ADP is combined with a phosphate to form ATP in the reaction ADP+Pi+free energy→ATP+H2O. The energy released from the hydrolysis of ATP into ADP is used to perform cellular work, usually by coupling the exergonic reaction of ATP hydrolysis with endergonic reactions.
7 0
3 years ago
Describe how mutation and genetic recombination increase genetic variation
Gekata [30.6K]

Answer:

Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

Explanation:

Hope this helps.  

3 0
3 years ago
Other questions:
  • Ice floats in water because it _____.
    5·2 answers
  • Two common species of frogs from the genus Bombina (B. bombina and B. variegata) live in similar latitudes and ecological condit
    5·1 answer
  • ** GEOLOGIST NEEDED** ** ROCK EXPERTS WANTED ** Absolute dating requires which of the following?
    11·2 answers
  • When essential nutrients are depleted some genre of bacteria ​
    13·1 answer
  • How does a thermostat regulate temperature
    11·2 answers
  • Rainfall collects in a crack in a rock. When the temperature drops, this water freezes and expands. This causes the crack to bec
    14·2 answers
  • Mutations are structural changes to genes that may affect proteins. Shins are beneficial meaning they help the organism. Some mu
    10·1 answer
  • What is one part of all seeds?
    15·1 answer
  • Describe how invasive species affect ecosystems
    7·1 answer
  • An example of convergent evolution is provided by the case of:
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!