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
mel-nik [20]
3 years ago
13

During the 1900s, the following genetic discoveries were made:

Biology
1 answer:
Paha777 [63]3 years ago
6 0

Answer:

There are four bases in DNA, and they combine in a specific way. Adenine pairs with thymine, and guanine pairs with cytosine.

Explanation:

You might be interested in
Which one is abundant in lymph?<br> a]protein<br> b]lipids<br> c]water<br> d]oxygen
Thepotemich [5.8K]

Answer:

b lipids base in my own Knowledge char

5 0
3 years ago
Read 2 more answers
As her professor distributed the mathematics test to the class, Blair's heart started to pound and her palms began to sweat. The
Cerrena [4.2K]

Answer:

sympathetic nervous system

Explanation:

The sympathetic nervous system is part of the autonomous nervous system which controls the involuntary body functions as heart rate, breath rate, perspiration etc. The sympathetic nervous system is specifically responsible for the increase in the function of body functions when the body perceives a threat. When faced with a threat or distress, the sympathetic nervous system initiates physiological reactions known as the “fight or flight” response, thereby increasing the body’s alertness to such threat. Examples of increased body functions or “fight or flight response” include increased perspiration and increased heart rate, as exhibited by Blair.

8 0
3 years ago
What two things can make a molecule polar?
Dafna11 [192]

Answer:

Polar molecules must contain polar bonds due to a difference in electronegativity between the bonded atoms.

Explanation:

3 0
3 years ago
System that transports nutrients and wastes and plays a role in the immune response
VLD [36.1K]
The circulatory system
5 0
4 years ago
(02.06 MC)Which process adds carbon dioxide to the atmosphere?
ki77a [65]
Respiration I believe 
3 0
3 years ago
Read 2 more answers
Other questions:
  • List detailed reasons why deforestation is important?
    6·1 answer
  • What two features on earth protect us from some of the suns harmful radiation?
    8·1 answer
  • After a pet is diagnosed as being sick, Dr. Chun, the veterinarian, takes the temperature of every other pet in the center. He i
    8·2 answers
  • How can nitrogen and phosphorus have both positive and negative effects on coral growth
    14·1 answer
  • Which of the following is the third point of the cell theory?
    5·1 answer
  • Types of cell that udergo the process of mitosis
    10·1 answer
  • Which function is performed by the ozone layer?
    15·2 answers
  • Binary fission is cell division in prokaryotic organisms (bacteria), which have no nucleus. In addition, prokaryotic cells typic
    13·1 answer
  • Which of the following is produced by the reaction shown below.
    6·1 answer
  • Why is air pollution is so interesting? And what is air pollution
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!