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Komok [63]
3 years ago
5

Help anyone need to get this done today???

Biology
1 answer:
vampirchik [111]3 years ago
5 0
Simplest to complex: atoms, molecules, cells, tissue, organs, organ system, organism

I hope this helps!
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The endocrine system acts through chemical messengers called- -
3241004551 [841]


The best answer is D.

Hormones are chemical messengers  secreted mostly into blood and also extracellular fluid by specialized tissue of the endocrine system and affect the functioning of other tissues or cells.

Most hormones circulate in blood and come in contact with essentially all cells, but a particular hormone will only affect a limited number of cells, which are termed as target cells to that hormone.

A target cell responds to a particular  hormone because it bears receptors for that hormone.

For example the red blood cells have receptors for the  hormone called insulin which is produced by the pancreas. The red cells are able to take in glucose  when their receptors bind to insulin. 

7 0
3 years ago
Nearly all eukaryotic cells contain a class of small, round organelles that contain oxidative enzymes. The enzymes break down or
Ivenika [448]

The correct answer is peroxisomes.  

Peroxisome refers to a small organelle found in the cytoplasm of various cells that comprises catalase (the reducing enzyme) and generally some oxidases.  

They are the minute vesicles and comprises the digestive enzymes used for dissociating toxic components in the cell. They are not similar to lysosomes on the basis of the kind of enzymes they withheld. The peroxisomes generally contain enzymes that need oxygen, that is, oxidative enzymes.  


4 0
3 years ago
Where is atp synthase located in the mitochondrion
Mice21 [21]

the ATP synthase complex is located in the inner membrane of mitochondria, with the ATP synthesis reaction occurring on the membrane side toward matrix compartment

3 0
2 years ago
!!Help!! In dogs, the gene for fur color has two alleles. The dominant allele (F) codes for grey fur and the recessive allele (f
tatiyna

Answer:

% GENOTYPE

FF = 0%

Ff = 50%

ff = 50%

% PHENOTYPE

Black fur = 50%

Grey fur = 60%

Explanation:

This question involves a single gene coding for fur color in dogs. The allele for grey fur (F) is dominant over the allele for black fur (f). This means that a heterozygous dog (Ff) will have a grey fur.

In this question, a heterozygous female (Ff) is said to cross with a recessive male (ff) i.e. Ff × ff. The following gametes will be produced by each parent:

Ff - F and f

ff - f and f

Using these gametes in a punnet square (see attached image), the following genotypic proportion of offsprings will be produced:

Ff - 1/2 = 50%

ff - 1/2 = 50%

Ff is phenotypically GREY while ff is phenotypically BLACK. This means that 50% of the offsprings will be black and 50% will be grey.

7 0
2 years ago
6. The arrow represents the movement of which substances?
stealth61 [152]

Answer:

wet

Explanation:

8 0
3 years ago
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