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
vichka [17]
2 years ago
9

Pls help me help me plx​

Biology
1 answer:
melisa1 [442]2 years ago
7 0

Answer:

17.a

18.true

19.b

20.a

Explanation:

You might be interested in
Acrostic poem for the word evolution
vazorg [7]

Answer:

I enjoy writing poems when im bored.

Explanation:

E: Even as time passes

V: Very small changes happens to classes

O: Over long periods of time

L: Little changes can be put aside,

U: Unnoticeable to the eye

T: This phenomenon can be observed

I: In not just one, but in many generations

O: Over years, you will find,

N: Nothing can escape the flowing time.

6 0
3 years ago
2. What is the function of DNA and RNA?a.Store and transmit hereditary informationb.Provide the body with quick energyc.Help to
gladu [14]

Sugar from carbohydrates provide the body with quick energy. Lysosomes help to build and digest molecules in the body. Lipids store energy long term, provide insulation, and cushion organs.

The function of DNA and RNA is to carry genetic information. They are both involved in protein synthesis. DNA encode the amino acid residues sequence in a protein by the use of genetic code. The cells will make a copy of DNA in the RNA to be able to read the genetic code.

Answer - a. Store and transmit hereditary information

6 0
10 months ago
How long is one cardiac cycl.e? what is produced during one cardiac cycle?
In-s [12.5K]
One cardiac cycle is .8 seconds. A complete heartbeat is produced in one cardiac cycle. <span>The period of time that begins with contraction of the atria and ends with ventricular relaxation is known as the cardiac cycle. The period of contraction that the heart undergoes while it pumps blood into circulation is called systole.</span>
7 0
3 years ago
How much work is done when a force of 15.0 newtons is used to lift a box 3.0 meters into the air?
Annette [7]
W= f x d

W= 15 x 3

W= 45J
4 0
3 years ago
Read 2 more answers
Name the structures and functions of the integumentary system
il63 [147K]
The answer is:

Glands,Skin,Nails,Nerves and Hair.

I hope this helps :D 
3 0
3 years ago
Other questions:
  • The ends of the linear chromosomes of eukaryotes cannot be replicated by DNA polymerase. This problem is overcome through the us
    9·1 answer
  • What level of organization does the complete skeleton of a mouse belong to
    9·2 answers
  • A species can be characterized by which of the following common characteristics?
    7·1 answer
  • A lunar eclipse can occur during a full moon .
    11·2 answers
  • When you do something anaerobic, your body makes a natural chemical called __________ that is like emergency energy for your mus
    10·2 answers
  • Artificial selection has produced a wide variety of crop plants, livestock, and pets. Which characteristic of artificial selecti
    7·1 answer
  • What are the genotypes of the parents?<br><br> Please help asap I’m on a time limit
    15·1 answer
  • What are the two main structures of carbohydrates in living things? I’m so confused pls help
    13·1 answer
  • Which of the following groups has the most individuals found in the classification of animals?
    8·1 answer
  • What was the purpose of invubatring the unopened plates?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!