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nignag [31]
3 years ago
10

Describe the data used by Watson and Crick to determine the structure of DNA

Biology
1 answer:
meriva3 years ago
8 0

they used Franklin's x-ray picture and data as well as other mathematical data to determine the specific structure of the DNA double helix. Compare and Contrast the structure of prokaryotic and eukaryotic chromosomes.

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Peptide hormones a. are able to pass through the membrane and bind to a receptor in the cytoplasm. b. bind to a receptor in the
ozzi

Answer:

The correct answer is option B. It bind to a receptor in the plasma membrane.

Explanation:

Hormones can be aminoacid based hormones (peptide or amine) or the steroid base hormones on the basis of their nature. Amino acid based proteins are molecules that are proteins,

Peptide hormones are the protein or peptide molecule that release in blood by the exocytosis in the form of preprohormones that mature later and bind to the receptor present on the surface of the plasma membrane of the target cell. The binding of the peptide hormone to the receptors a secondary messenger shows up in the cytoplasm.

Thus, the correct answer is option B. It binds to a receptor in the plasma membrane.

7 0
3 years ago
In this lab, we assumed that the only acid in our juice sample was citric acid, but other acids may be present as well. Ascorbic
gregori [183]

Answer:

The presence of other acids in our juice causes our calculated concentration of citric acid to be falsely high.

Explanation:

The presence of other acids in our juice causes our calculated concentration of citric acid to be falsely high and we would have to account for the other acids in this case.

5 0
3 years ago
Read 2 more answers
What two types of amino acid sequences are needed in a protein to mediate post-translational farnesylation?
Hitman42 [59]

Answer:

Post translation farnesylation may be defined as a type of prenylation in which the isoprenyl group is added to the cysteine residues of the protein. This modification is important for protein and membrane interaction.

Basically two types of amino acid are required for the farsenylation modification. The signal peptide sequence is the short amino acid sequence that targets the ribosome in the endoplasmic reticulum. The sequence is generally lysine, aspartic acid, glutamic acid and leucine. The second sequence must be Caax (C is cysteine, a is aliphatic amino acid and X consists of C terminal amino acid.

8 0
3 years ago
Which of these terms best describes the scale of farming today?
koban [17]

Answer:

You did not put the answer options, but I can help you by stating that the scale of agriculture today is large-scale agriculture and it can be defined by a term that presents large farms with extremely high productivity.

Explanation:

The scales of agriculture are measured through the agricultural productivity achieved through work in the agricultural sector. Small-scale agriculture is one where productivity is low, the farmer does not produce as many products and most of them are harvested for family consumption, becoming a type of subsistence agriculture.

Large-scale farming is what we can see today, they are characterized by very large farms that promote high productivity, producing thousands of products in the shortest possible time.

5 0
3 years ago
What kinds of organisms are found at the base of the food chain?
castortr0y [4]

Answer:

plants

Explanation:

they receive energy directly from the sun

8 0
3 years ago
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