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
Evgen [1.6K]
3 years ago
12

20 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Biology
2 answers:
Nady [450]3 years ago
7 0

1. C

2. D

Just took the test so these are the right answers!



USPshnik [31]3 years ago
3 0
1. is A
2. is D
hope i help
You might be interested in
Which enzymes are needed to produce recombinant plasmids to be used in gene transfer?
irina [24]
The answer is D. For producing recombinant, first you need to cut the insert part and vector part to get the same end by using restriction enzyme. Then using DNA ligase to bind these two parts to get a new plasmids.
4 0
3 years ago
What happens to the air that a emperor penguin breathes in?
enot [183]
Emperor penguins need lungs to breathe. In penguin lungs, air never stops. ... Once the air goes farther into the trachea it splits into two different directions into both lungs. To get the oxygen into the blood cells, it must come "within small distance of the penguin blood cells".
6 0
3 years ago
What do you mean by the stomata apparatus ?​
NARA [144]

Answer:

Stomatal apparatus is a pair of guard cells with or without surrounding subsidiary cells which function as a value to open or close a stomatal pore for gaseous exchange and transpiration. Each stoma is made of two bean-shaped cells called the guard cells.

Explanation:

8 0
2 years ago
Read 2 more answers
Concentration gradient in a sentence
Helga [31]
Concentration gradient differs whether the solution is greater or lesser anticipating if it's hypertonic, hypotonic, or isotonic.
5 0
3 years ago
Type I hypersensitivities require which of the following initial priming events to occur?
kherson [118]

Answer:

Sensitization.

Explanation:

Hypersensitive reaction may be defined as the exaggerated or hyper response of the immune system. Hypersensitive reactions can occur due to auto immunity and allergies.

Type I hypersensitive reaction is mainly mediated by IgE antibodies. The sensitization towards particular stimuli like pollen grains may exaggerate the Type I hypersensitive reaction.

Thus, the correct answer is option (1).

5 0
3 years ago
Other questions:
  • Match the term with its description. Match Term Definition
    8·1 answer
  • (Help please?)
    6·2 answers
  • N a forest ecosystem, 24 gray wolves live together. These 24 wolves make up a 
    9·2 answers
  • How can you control pollution arising from the need for manufactured goods?
    6·2 answers
  • How does a virus differ from a common cell?Immersive Reader It has no nucleus, cell wall, or organelles. It has two nuclei and n
    8·2 answers
  • List the four classes of biological macromolecules. Then describe the basic structural components of each macromolecule class an
    9·1 answer
  • the movement of molten iron in earths core makes the planet act like a giant bar ______________, with one pole near the top of t
    11·1 answer
  • Cellulose is a complex carbohydrate found in cell walls of plants. What is the function of cellulose in a plant cell
    9·2 answers
  • What kind of reactions provide a star with energy?<br><br> HELP ME
    5·1 answer
  • Which definition best describes an acid?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!