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kirill [66]
2 years ago
15

Outline the synthesis, storage, and release of peptide hormones. Which organelle(s) is (are) involved

Biology
1 answer:
Orlov [11]2 years ago
3 0

Answer:

Messenger RNA on the ribosomes binds amino acids into a peptide chain called a preprohormone. the chain is directed into the ER lumen by a signal sequence of amino acids

-enzymes in the ER chop off the signal sequence, creating an inactive prohormone

-the prohormone passes from the ER through Golgi

-secretory vesicles containing enzymes and prohormone bud off the golgi. the enzymes chop the prohormone into one or more active peptides

-vesicle releases contents by exocytosis

-hormone moves into circulation for transport to its target

<h2>The answer is RNA</h2>

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why is DNA a good molecule (compared to liquid or carbohydrate) to have the instructions for protein synthesis?
alex41 [277]
A DNA or good molecule needs protein synthesis because without it it would not be able to function properly!
4 0
2 years ago
1. A couple of mice with brown fur and black eyes had litter with the following distribution of traits: 9 with brown fur and bla
Ierofanga [76]

Answer:

The genotype of the couple of mice is heterozygous.

Explanation:

First, we going to classify each trait as dominant or recessive allele:

Brown fur: It’s a dominant allele because 12 of 16 mice have brown fur, therefore 75% of the litter have this trait.

Black eyes: It’s a dominant allele because 12 of 16 mice have black eyes, therefore 75% of the litter have this attribute.

Grey fur: It’s a recessive allele because only 4 of 16 mice have this trait, so 25% of the litter have grey fur.

Red eyes: It’s a recessive allele because 4 of 16 mice have red eyes, so 25% of the litter show this trait.

Second, we going to name each phenotype with a letter and use a capital letter for dominant allele or a small letter for recessive allele.  

For the color of the fur, let’s use letter “F”:  

F: Brown fur

f: Grey fur

For the color of the eyes, let’s use letter “E”:

E: Black eyes

e: Red eyes

The genotype of each phenotype is conformed by two letters that indicates, the recessive allele is showed in the phenotype only when both letters in the genotype are small letter.

For example, for fur, there are three combinations:

FF: Brown fur (two dominant alleles)

Ff: Brown fur (A dominant allele and a recessive allele)

ff: Grey fur (Two recessive alleles)  

For eyes, there are also three combinations:

EE: Black eyes (two dominant alleles) (

Ee: Black eyes (A dominant allele and a recessive allele)  

ee: Red eyes (Two recessive alleles)  

When both allele of the genotype are dominant or recessive, it is heterozygous, if there are a dominant allele and a recessive one, it is a homozygous.

Since there are 7 mice that show recessive phenotype, that means the genotype of the couple of mice are heterozygous. Although, both mice show a dominant phenotype, the genotype have a dominant allele and a recessive allele.

The genotype for the couple of mice is:

FfEe x FfEe

So, when we apply the Mendel's third law, we got the results showed in the chart.

5 0
3 years ago
Which organism is a primary consumer in the food web below?
Marysya12 [62]

Answer:A herbivorous duck

Explanation:A primary consumer is an organism that eats producers. Primary consumers are always herbivores.

4 0
3 years ago
Read 2 more answers
Help pleaseeeeeeeeeeeeeeeeeeeeeee
prohojiy [21]

Answer: 25%?

Explanation: theres 4 children and the moms a carrier so 1/4 of 100 is 25%

5 0
3 years ago
Which type of resources form much more slowly than we use them? A: reusable B: renewable C: nonreusable D: nonrenewable
astraxan [27]
Nonrenewable resources are used commonly and are quickly running out, and it takes longer for us to form more of these.
6 0
2 years ago
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