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
dlinn [17]
3 years ago
14

A substance continually produced in our cells that, over time, may cause damage to DNA and other important cell structures is kn

own as a _______.
A. free radical
B. functional food
C. direct additive
D. indirect additive
Biology
2 answers:
Len [333]3 years ago
7 0
<span>A. free radical 

</span>A substance continually produced in our cells that, over time, may cause damage to DNA and other important cell structures is known as a free radical.

NOT:
B. functional food 
<span>C. direct additive </span>
<span>D. indirect additive</span>
KonstantinChe [14]3 years ago
7 0

Answer:

A.

Explanation:

You might be interested in
Which statements are true of all plants? Check all that apply. All plants are vascular. All plants are multicellular. All plants
GarryVolchara [31]

<u>Correct option/s </u>:

All plants are multicellular.

All plants are eukaryotic.

All plants are autotrophic.

<u>Explanation</u>:

Not all plants are vascular, for example mosses. They don't have specialized system for transport of water and solutes. Therefore, Option 1 is false.

Only bacteria, protista and yeast are unicellular. Rest all the organisms are multicellular. Thus option 2 is true.

Only bacteria are prokaryotic, rest all organisms are eukaryotic, including all the plants. Option 3 is true.

Plants are the only organisms which are autotrophic. Although apart from this mode of nutrition, plants can be parasitic or carnivorous as well. But primarily they all are autotrophic. Option 4 is true

Not all plants need sunlight, some get energy from the chemical substances from their surroundings. Option 5 is False.

Plants reproduce by sexual as well as asexual means. Not all plants reproduce sexually. Option 6 is false.

4 0
3 years ago
Read 2 more answers
What is a niche? *
Ratling [72]

Answer:

A. The habitat that an organism lives in

D. All of the above

Good luck on the test ;)

5 0
2 years ago
Hey y'all I just really need help with this question so if y'all didn't mind and try to help me that would be greatHELP ME PLEAS
Wewaii [24]

Answer:

Ok, lets say snakes, snakes eat mice. which make them predator, and then sometimes they will get eaten by an eagle, which makes them a prey. these kind of animals could exist if there is 2 or more secondary consumer in the food chain.

Explanation:

3 0
3 years ago
Why? from the smallest single celled organism to the tallest tree, all life model 1?
arsen [322]
From the smallest single celled organism to the tallest tree all life depend on the properties and reactions of four marcro molecules which are carbohydrate, protein, lipids and nucleic acid.
This is because, these organic molecules are the building blocks of all living things and they are responsible for most of the structure and functions in the body.
8 0
2 years ago
Which of the foolowing desribes early mammals?
OLga [1]

I would go with none of  the above because the other answers might describe early mammals but they also describe the mammals that we have now.......

I HOPE THIS HELPS :)

6 0
3 years ago
Read 2 more answers
Other questions:
  • Does fruit salad go through a chemical change ?
    9·2 answers
  • In what way are lungs and gills similar
    11·2 answers
  • Did the Florida Panther become endangered because of natural selection, genetic drift, or gene flow?
    5·1 answer
  • Which of the following Punnett squares shows the cross correctly set-up?
    7·1 answer
  • If you wanted to determine the phenotype of an organism, what procedure would you follow?
    12·1 answer
  • As the acidity of a solution increases, the pH will
    5·1 answer
  • Explain this statement in your own words. “Photosynthesis is an essential process for all life on Earth because it is the set of
    15·1 answer
  • In the diagram of the transverse wave shown, the arrow labeled 3 is pointing at the -
    10·2 answers
  • The chemical equation below shows the reaction of glucose and oxygen. Which process does this equation represent?
    11·1 answer
  • Please answer this for ke
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!