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
VMariaS [17]
3 years ago
15

What is this chemical structure?

Biology
2 answers:
Cerrena [4.2K]3 years ago
8 0
The answer is A

————————-
Naddik [55]3 years ago
6 0

Answer:

the answer is a, i believe:)

Explanation:

hope this helps love:))

You might be interested in
It's hypothesized that cells formed spontaneously in the primordial soup, but without further changes could not :
Fantom [35]

i think the answer is either A or D but im strongly going to go with D

3 0
3 years ago
Scientists have evidence that meteorites have come from which option of locations?
Step2247 [10]

Mars and Moon are the locations from which meteorites would come.

Option (c);

<u>EXPLANATION: </u>

  • The meteorites found on Earth look like martian crystal rocks.
  • These might be first ejected into space during a collision of an asteroidal object with Moon or Mars and then it got into the Earth orbit because of the force produced during the collision.
  • There are around seventy meteorites recognised to have come from the planet Mars till up to the present date.
  • There are three types of meteorites such as Martian meteorites and a sample of two lunar meteorites.
  • To identify the origin of the meteorite, the scientist tries to identify the type of rock followed by analysing the chemical composition and then try to identify its age.
8 0
3 years ago
What is a dihybrid cross?
dsp73

A cross between two different lines and/ or genes that differ in two observed traits.

8 0
3 years ago
Read 2 more answers
Plant cells __________.
quester [9]

Answer: Option B) have mitochondria and chloroplasts.

Plant cells have mitochondria and chloroplasts.

Explanation:

Unlike animal cells, plants cells possess mitochondria and chloroplasts. Mitochondria serves as site for respiration giving off oxygen as by-product while chloroplasts are site of photosynthesis, where sugar molecules are formed from simple inorganic molecules like atmospheric carbon dioxide, water and sunlight trapped by chlorophyll.

4 0
3 years ago
Explain why oxygen and carbon dioxide diffuse in opposite directions in the lungs?
Vilka [71]

Answer:

There is a higher oxygen content in the air of the lungs than that of oxygen-depleted blood and a lower carbon dioxide concentration. This gradient of concentration causes gas exchange during respiration.

Explanation:

8 0
3 years ago
Other questions:
  • All species descended from a what are part of a monophyletic group
    14·1 answer
  • Process in which the nucleus divides to form two identical nuclei
    12·1 answer
  • How does using iodize salt help in preventing thyroid problem?
    9·2 answers
  • Onvoluta worms hatch in early spring. They crawl about in the mud feeding on algae, which find their way into the skin of the wo
    11·1 answer
  • What is the role of each of the following in the carbon cycle?
    5·1 answer
  • Which part of the brain connects the right and left hemispheres allowing communication between the two?
    12·1 answer
  • Which are examples of biotic factors? Select three options
    12·2 answers
  • Which of the following has the highest level of biodiversity?
    10·1 answer
  • Which term refers to the fact that naturally occurs omg he universe
    6·1 answer
  • Sensory _____________ respond to stimuli by sending messages to the brain A. Nerve cells, or __________ , are the basic units of
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!