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
Julli [10]
3 years ago
7

Plastics are made up long chains of molecules called

Biology
1 answer:
jonny [76]3 years ago
4 0
The correct answer is<span> D- Ploymers</span>
Polymers are constructed from relatively small molecular fragments known as monomers that are joined together. 
You might be interested in
Antibiotics can be used to treat _____.
GrogVix [38]
The answer is that they treat bacterial infections.
8 0
2 years ago
Read 2 more answers
18.Substrate-level phosphorylation
77julia77 [94]

Answer:

(B) Energy released from the chemical reaction is used to directly phosphorylate ADP.

(D) Energy released from the chemical reaction is used to directly reduce NAD+

Explanation:

phosphorylation is a addition of phosphoryl group to an organic compound.Substrate level phosphorylation is a process where there is ATP is produced from ADP by transferring a high energy phosphate group from phosphorylated metabolic compound.This process occurs in glycolysis and citric acid cycle.and this pathway is exergonic pathway

8 0
2 years ago
Why can only one sperm enter an egg
Iteru [2.4K]
Because at that point, the egg would already be fertilized. Now in cases like identical twins, two sperm must enter the egg at the exact same time.
3 0
3 years ago
Find the median of 4.5, 7.5, 9, 9, 9.2, 9.3, 10, 10, 10.5 and 13
Triss [41]


9.25 because the middle of 9.2 and 9.3 is 9.25



5 0
2 years ago
Read 2 more answers
The size of the food web is limited by the number of what?
katen-ka-za [31]
The answer is primary producers
8 0
2 years ago
Other questions:
  • Food chains show how living organisms obtain their food, while food webs show how multiple food chains are interrelated.
    10·2 answers
  • As your muscles contract during activity, more blood is returned to the heart. which variable would be affected and what would b
    9·1 answer
  • What is cross-pollination?
    13·2 answers
  • A symbiotic relationship where both of the coexisting species benefit from the interaction is called ________.
    9·1 answer
  • What should be replaced with the "?"*
    8·1 answer
  • The Environmental Policy Act of 1969 was instituted as a follow up regulation to major environmental issues that occurred in
    14·1 answer
  • True or false ? Too much nitrogen and phosphorus can alter the normal flow of nitroge
    8·2 answers
  • What are the 2 main categories of cells?
    6·2 answers
  • Which of the following best describes the component of DNA labeled with an x in the diagram?
    8·1 answer
  • Need help pls due <br> Pls help
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!