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
dimaraw [331]
3 years ago
14

What substances are hydrogen, covalent, or ionic

Biology
1 answer:
Alika [10]3 years ago
3 0
2 strands of DNA=hydrogen bonds
2water molecules=polar convalent bonds
NACL=ionic bond
H2=ionic
You might be interested in
Which test would be used to determine if lipids are present?
amm1812
The correct answer is the Emulsion test
6 0
3 years ago
What happens to E. coli when lactose is not present?
victus00 [196]
The correct answer is b
5 0
3 years ago
Read 2 more answers
Let's pretend that a lioness is feeling tired and only wants to catch small rodents for a day. Each rodent has an energy cost of
diamong [38]
Uh oh I think it's. A carrot
5 0
3 years ago
Which of the following terms refers to a permanent change to DNA or RNA that is typically caused by damaged or changed bases?
Nezavi [6.7K]
The answer is mutation.
8 0
3 years ago
Read 2 more answers
The plasma membrane is composed of several different macromolecules which macromolecule serves as the fluid interface between th
AveGali [126]
Lipids serves as the fluid interface between the intracellular and extracellular environments
3 0
3 years ago
Other questions:
  • Which of the following activities is most likely to improve muscular endurance? A. high jumping B. long distance running C. spri
    9·2 answers
  • What is the biggest difference between an ecosystem and a community?
    5·2 answers
  • What is meant by the scientific term "blob”?
    5·1 answer
  • Can anyone help me with my science?
    12·1 answer
  • I need help please!!
    10·1 answer
  • Cattle are the intermediate host for Taenia saginata (beef tapeworm), and humans are the primary host. Which stage of the parasi
    15·2 answers
  • All of the following have been accomplished by space programs except-
    8·1 answer
  • Which label belongs in the area marked "Y"? may change the type of amino acid decreases the number of bases in the sequence neve
    5·2 answers
  • A scientist is using a karyotype to investigate a mutation in an organism. Which type of mutation would a karyotype best help to
    12·1 answer
  • Why would very wet soil be dangerous to plants
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!