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earnstyle [38]
3 years ago
9

What role do memory cells play in immunity

Biology
2 answers:
sergiy2304 [10]3 years ago
7 0
They are important in long term memory because they respond faster in a second infection with the same pathogen
saveliy_v [14]3 years ago
6 0
The answer is <span>B lymphocytes are the </span>cells<span> of the </span>immune<span> system that make antibodies to invading pathogens like viruses. They form </span>memory cells<span> that remember the same pathogen for faster antibody production in future infections.</span>
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In fruit flies, straight wings are dominant and curly wings are recessive. What will the generations look like? Assume that Mend
Anestetic [448]
Crossing two true breeding parents with opposite parents is the key:

Assume W is straight wing and w is curly.
Then you are crossing WW with ww
This will result in ALL Ww as offspring - so all straight offspring

If you then cross Ww x Ww you end up with a mix of 
WW (1), Ww (2) and ww (1) - so a mix of straight and curly

Answer: 
P generation has straight wings and curly wings
F1 has all straight wings
F2 has straight wings and curly wings
8 0
3 years ago
Define the following terms with examples:
Mashcka [7]

1) Chordata=A chordate is an animal of the phylum Chordata. All chordates possess 5 synapomorphies, or primary characteristics, at some point during their larval or adulthood stages that distinguish them from all other taxa

2) Vertebrates=vertebrate, also called Craniata, any animal of the subphylum Vertebrata, the predominant subphylum of the phylum Chordata. The vertebrates are also characterized by a muscular system consisting primarily of bilaterally paired masses and a central nervous system partly enclosed within the backbone.

3)Invertebrates=Invertebrates are animals that neither possess nor develop a vertebral column, derived from the notochord. This includes all animals apart from the chordate subphylum Vertebrata. Familiar examples of invertebrates include arthropods, mollusks, annelid, and cnidarians.

4) Poikilothermic animals=A poikilotherm is an animal whose internal temperature varies considerably. Poikilotherms have to survive and adapt to environmental stress.

5) Homeothermic animals=The term homeothermic refers to the warm-blooded animals which have constant and relatively higher temperature. They are animals which can maintain their internal body temperature. Complete answer: Homeothermic animals are warm-blooded and maintain a constant body temperature, for example birds and mammals.

6) Oviparous= producing young by means of eggs which are hatched after they have been laid by the parent, as in birds.

7)Vivaparous=bringing forth live young which have developed inside the body of the parent

Sorry if it's incorrect

Have a nice day

3 0
2 years ago
The alleles for a given trait seperate during meiosis is known as
sergejj [24]
Mendel's law of segregation.
5 0
3 years ago
Read 2 more answers
Corn has small, colorless, odorless, lightweight flowers without petals. What is the significance of these flowers in the pollin
Nesterboy [21]
For Plato it think its c-Flowers of corn are pollinated by the wind. They are small and lightweight to allow easy pollination by the wind.<span> They do not need to attract animals or insects and are therefore colorless and odorless.</span>
5 0
3 years ago
A portion of a polypeptide produced by a mammalian cell was found to have the following sequence of amino acids:...Lys-Ser-Pro-S
FinnZ [79.3K]

Answer:

j

Explanation:

6 0
3 years ago
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