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
ki77a [65]
4 years ago
6

1.

Biology
1 answer:
MAVERICK [17]4 years ago
4 0

Answer:

1. Purines

2. States that DNA composition varies among species

3. Hydrogen Bond

4. Purines

<em>Answer to #2 is a little iffy </em>-- sorry

Explanation:

Pyrmidines have two rings

Purines have one ring

Complementary bases are connected by hydrogen bonds.

You might be interested in
What happens during the process of cellular respiration? <br> edge nuity
mrs_skeptik [129]

Answer:

sourced from wiki

Explanation:

Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products.

3 0
3 years ago
Each axial filament is made up of fibrils identical in structure to A. cilia.B. pili.C. flagella.D. pseudopods.
Crank

Answer:

C. Flagella

Explanation:

Axial filaments are the locomotory organs. They are found in the spirochetes such as Borrelia. Each axial filament is made up of fibrils which are similar to the flagella. These are originated from the periplasmic space of the cell. Periplasmic space is the space between the inner and outer membrane of a cell. It also helps in rotating the cell body. Axial filaments are made up o many endoflagella.  It is a special type of filament that arises from endoflagella. Axial filaments help the cell contraction in forward,  and backward direction like a screw.

7 0
3 years ago
Match each part of Sammi's model to the bodily structure it represents. One bodily structure has already been labeled for you.
KiRa [710]

Answer:

corrugated cardboard tube - digestive tract

irregular surfaces on the corrugated tube - villi

pump - heart

Plastic tubing - blood vessels

Explanation:

The corrugated cardboard tube represents the digestive tract.  The give away was the presence of the irregular surfaces within the tubes. This is called the villi. The villi is responsible for the absorption of food after digestion into the body.

Irregular surfaces on the corrugated tube represent the villi. They are tiny hair-like structures that are in the small intestine, that are responsible for the absorption of food into the bloodstream.

The pump represents the heart. The heart is the only organ in the body that provides the pressure force that pushes the blood throughout the body. In this model, the pump will most likely be performing the same function.

The plastic tubings are meant to contain one form of fluid or the other. Judging from that, they can be said to represent the blood vessels. This is because they are connected to the heart and are meant to transport bodily fluids around the body

4 0
4 years ago
How does the atomic mass of an atom differ from the atomic number?
olya-2409 [2.1K]

Answer:

1.

Explanation:

Atomic mass is protons+neutrons. Atomic number is just protons.

5 0
4 years ago
Maria, a U.S. psychologist uses the DSM-5 in her practice, but her cousin, Ava, lives in Spain and often uses the ________ for c
Viktor [21]

Answer: B

Explanation:

This is another approach used by physicians psychologist to classify and code or diagnosis.

4 0
3 years ago
Read 2 more answers
Other questions:
  • Transcription initiation of the lac operon is enhanced when _______ interacts with rna polymerase.
    9·1 answer
  • Stem cell research is an emotional topic. Although the advancements in research are remarkable, a portion of society voices ethi
    12·2 answers
  • Do your cells use food to directly power their various functions? Explain your answer.
    10·2 answers
  • Two populations of the same fish species were fed different diets to investigate the effect of
    8·1 answer
  • If the RNA molecule in a human has the nucleotide sequence of GUU, this would indicate that the amino acid valine would be neede
    7·2 answers
  • What removes oxygen from the air?
    9·1 answer
  • Narwhal population since 1970??? please provide websites found. If not, why can't I find any information on narwhal populations?
    13·2 answers
  • How does a pair of Skeletal muscles work together?
    8·2 answers
  • What would you do during a zombie apocalipse
    5·1 answer
  • The Energetic Cost of Mismatch Repair. In an E. coli cell, DNA polymerase III makes a rare error and inserts a G opposite an A r
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!