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
Verdich [7]
3 years ago
13

Which of the following would be a virulence factor of a pathogen?

Biology
1 answer:
olga_2 [115]3 years ago
3 0

Answer:

The correct answer is option - a surface protein allowing the pathogen to bind to host cells

Explanation:

Virulence factors are substances or molecules released by pathogens such as bacteria, fungi, viruses and protozoa that enhance their function effectiveness and enable them to get the following-

Attachment to host cell and surface.

Evasion of the immune response of the host.

Suppression or inhibition of the immune response  of host.

Getting nutrition from the host cells

Thus, the correct answer is option - a surface protein allowing the pathogen to bind to host cells.

You might be interested in
How long can a human live without food
cestrela7 [59]
Three weeks is how long a human can live without food
5 0
3 years ago
Read 2 more answers
The Scapula articulates with the ____ and the _____? Multiple Choice Acromial end of the clavicle; trochlea of the humerus Acrom
agasfer [191]

Answer:

head of the humerus, Acromial end of the clavicle

Explanation:

The shoulder is made up of three bones: the scapula, the clavicle and the humerus (upper arm bone).  Two joints in the shoulder allow it to move: the  acromioclavicular joint, where the highest point of the scapula (acromion) meets the clavicle at its acromial end (the sternal end of the clavicle is bounded to the sternon), and the glenohumeral joint. The scapula also bounds to the head of the humerus, it is, the distal superior end.

6 0
3 years ago
In an aquatic ecosystem, the aquatic plants are eaten by small invertebrates that in turn are eaten by crayfish, the crayfish ar
Assoli18 [71]

Answer:

a.aquatic plants

Explanation:

The energy stored in organic matters, which can be used as fuel for various purposes. This the same energy obtained from the sun that is passed on to each tropic level by the 10% law. This is known as biomass energy.

Biomass is highest at the first trophic level in any food chain. In the aquatic food chain also the highest biomass at the first trophic level which aquatic plants.

Hence option a is correct.

8 0
3 years ago
One method for separating polypeptides makes use of their different solubilities. The solubility of large polypeptides in water
Naddika [18.5K]

Answer:

The solubility of any substance in water depends on its polarity. The polar molecule dissolves more easily in the water than the non polar molecule. Amino acids have different polarity at different pH.

(a) (Lys-Ala)3 : The (Lys-Ala)3 contain more positive charge and highly polar the at pH 7 as compared with the  (Gly)20 that remains uncharged and has less polarity.

(b) (Glu)20 :This amino acids negatively charged at pH 7 and highly polar than the (Phe-Met)3 which is non polar or less polar and hence least soluble  in water.

(c) (Asn-Ser-His)5 is highly polar at pH 3 as compared with the (Ala-Asp-Gly)5 that contains the carboxylate groups of Asp residues that are partially neutral. The  (Asn-Ser-His)5 contains = the imidazole groups of His residues are fully polar and soluble in water.

(d) (Asn-Ser-His)5 is polar at pH 6.0 because both have polar side chains Ser but (Asn-Ser-His)5 is only partially partially protonated due to the His side chains. Thus,  (Asn-Ser-His)5 is more soluble in water.

6 0
3 years ago
Genesis high grade heat and pressure is steps in what
pav-90 [236]

Answer:

Metamorphic rock.

Explanation:

This is the answer I hope this help you out. Enjoy your day!

5 0
3 years ago
Other questions:
  • When an organism of many cells breaks up into two or more parts and these parts survive to produce a new organism, reproduction
    6·2 answers
  • HELP!!!!
    15·1 answer
  • What might happen in a tropical rainforest biome, if the area receives very little rain for an extended period of time?
    8·2 answers
  • Water is necessary in the light reaction of photosynthesis. <br><br> True / False
    7·1 answer
  • After running in a marathon race in july, joshua felt weak and his body weight was about 3% less than before the race. based on
    14·1 answer
  • A scientist isolated a molecule with nucleotide bases A, C, G, and U and ribose sugars. What is it?
    9·1 answer
  • How does the amount of a rocket's thrust affect its trajectory? What does it take for an orbiting spacecraft to escape its orbit
    5·1 answer
  • 2. Which of the following is an example of evaporation?
    14·1 answer
  • Please help!! Quick
    12·1 answer
  • When speaking of the anatomy of a virus, we can say that ________.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!