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allsm [11]
3 years ago
13

Activated t cells and macrophages release ________ to mobilize immune cells and attract other leukocytes into the area.

Biology
1 answer:
viva [34]3 years ago
8 0
They both release CYTOKINES :)

Haha :) I know this is right because I just got quizzed on it before spring break
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Why is it necessary to reduce the number of chromosomes in gametes, but not in other cells
almond37 [142]
The zygote must contain genetic information from the mother and from the father, so the gametes must contain half of the chromosomes found in normal body cells.


Hope this helps:)
8 0
3 years ago
Read 2 more answers
To map genes of a bacterial strain, conjugation must be interrupted at given times. Suppose you have Hfr cells of genotype a+b+c
OLEGan [10]

Answer:

The answer is not in any of the options and is the following:

to eliminate any remaining Hfr cells.

Explanation:

In a medium that has a streptomycin antibiotic it is used to kill Hfr donor cells after the conjugation is interrupted. This is entirely due to the streptomycin sensitivity allele (str-s) which are found in Hfr strains. The presence of the streptomycin resistance allele, located in the receptor, is used for the specific destruction of Hfr donor cells after conjugation occurs.

6 0
3 years ago
THE CASE (adapted from “Shark Attack” by H. House) 8 year-old Jim Morris was swimming the Gulf off of Florida. While swimming, J
Tatiana [17]
1.) 5 organ systems that the surgeons had to mark for reattachment
a) integumentary system
b) muscular system
c) cardiac system
d) skeletal system
e) nervous system

2.)
a) extensor digiti minimi
b) extensor digitorum
c) extensor carpi ulnaris
d) brachioradiallis

These are just some result of my research.. better use search engines for further answers. there was an online presentation made on the above case study.
6 0
3 years ago
Insect wings may have begun to evolve as lateral extensions of the body that were used as heat dissipaters for thermoregulation.
Mariulka [41]

Exaptation

Explanation:

In this example, the lateral extensions that developed were meant for thermoregulation.

But these became sufficiently large to support gliding through the air and later on were used for flight.

Thus the structure assumed a function for which it was not meant and its original function shifted to a completely different dimension giving rise to modern insect wings. So we can say that this is an example of Exaptation.

8 0
2 years ago
What makes proteins
FrozenT [24]
<span><span>Nucleus-Controls most cell processes and contain the hereditary information of DNA
</span><span>Chromosomes-Small particles made of RNA; assemble proteins
</span><span>
Rough cytoplasmic reticulum-Involved in the synthesis of proteins; has ribosomes attached to its surface


Love,
Makwilson
</span></span>
<span>{ Rank: <span>Virtuoso }</span></span>
8 0
2 years ago
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