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Mama L [17]
3 years ago
13

We first encountered phagocytosis in concept 7.5, but it plays an important role in the immune systems of both invertebrates and

vertebrates. briefly explain the process.
Biology
1 answer:
andre [41]3 years ago
6 0

Phagocytosis is when a cell encloses a particle completely to form  a phagosome. The process was originally evolved for the acquisition of nutrients by certain specialised cells. In multicellular animals, the process has been adapted to form a part of the immune system. Here, debris and pathogens are ingested by a macrophage, which then fuses with a lysosome to form a phagolysosome. Here, enzymes and toxic peroxides digest the pathogen. 

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CaHeK987 [17]

Correct option - They have a crystalline structure.

3 0
2 years ago
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Describe the long term effects of competition on populations of two different species competing for the same source.
Galina-37 [17]
The long term effects of competition on populations of two different species competing for the same source are as follows:
1. It becomes a situation of the survival of the fittest. For example, if two populations of plants compete for the same source, the stronger of the two species will overpower the weaker of the two species. Trees that grow taller will block out the sun and the smaller trees will die. In the animal kingdom, the strongest of the predators that compete for the same prey will survive.
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3 years ago
A genotype is controlled by the sex cells combining to form an organism. True or False
myrzilka [38]

True

A genotype is the combination of genes in its DNA of the organism that determines its traits

Explanation:

Gametes from parents contribute different alleles of genes to their offspring. This why gametes carry only one copy of genetic material of the organism. They later fuse to form a zygote with a full genetic copy and capable of developing into an full organism.

Depending on which kind of alleles the parents pass down to the offspring will determine the offspring's genotype. The genotype of the offspring will, on the other hand, affect its phenotype which is the outward characteristic. An example is the sickle cell trait. If both gametes from the parents contribute the recessive alleles of the gene, then the offspring will be homozygous recessive for sickle cell genotype and this will show in the phenotype pf the person who will have sickle cell shaped blood cells.

Learn More:

For more on genotype check out these;

brainly.com/question/11612019

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6 0
3 years ago
30 POINTS!!!!!!
nirvana33 [79]
The best answer would be enzymes since they are protein molecules and help build it. Enzymes also take part in reaction.
5 0
3 years ago
In a chemical analysis of a sample of animal tissue, which element would most likely be found in the smallest quantity?
andreyandreev [35.5K]

Answer:

Iodine

Explanation:

Iodine is needed by animals because the body's metabolic rate is controlled by the action of an iodine hormone, called thyroxine, which is secreted by the thyroid gland in the neck.

If the animal fails to supply enough iodine through food to be able to make a normal amount of this compound, then the thyroid gland enlarges or expands trying to create enough, resulting in a common type of goiter.

8 0
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