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Rainbow [258]
3 years ago
15

What is a scientific experiment? A statement that tries to answer a scientific question A rigorous procedure that produces scien

tific data A final decision that describes a scientific model A collection of data that generates a scientific observation
Biology
2 answers:
lidiya [134]3 years ago
8 0

D.) A collection of data that generates a scientific observation

Nana76 [90]3 years ago
6 0

Answer: A rigorous procedure that produces scientific data.

Explanation:

A scientific experiment can be define as the a detail procedure which involves a step by step scientific methodology so as to find answers related to the scientific questions.

The data produced after the implementation of the scientific methodology can be useful for answering the questions related to the cause of the natural phenomena or event.  

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List the functions of proteins in the text area below.
Wittaler [7]

Answer: 1- Maintenance of oncotic pressure: prot. are macromolecules that hydrate in the plasma and exert a PO retaining water in the vascular medium, all prot. mainly albumin

2- Buffer role: all prot. Plasma acts as a buffer because of their hydrophobic character thus participating in the regulation of acid-base balance

3- Transport function Albumin.Tyroxine binding protein (TBP), transferrin, apoproteins..etc.

4- Enzymes and coenzymes: renin, orosomucoid (coenzymes of LPL)

5- Role in coagulation and fibrinolysis: fibrinogen, thrombin. antithrombin

6- Role in immunity: Ig (lgA JgG.lgM) and complement proteins

7- Role in the allergic: IgE and complement fractions

8- Role in inflammation: α1 antitrypsin, orosomucoides .cerulioplasmin, cytokines, CRP

9- Hormonal role: insulin, glucagon, pituitary stimulins (TSH, FSH, LH)

10- And finally a structural role (such as actin or tubulin that participate in the architecture of the cell, the keratin that makes

Explanation:

4 0
3 years ago
Read 2 more answers
A cell that undergoes either mitosis or meiosis must first replicate it's DNA.
makkiz [27]

Answer: True

Explanation: They need to replicate their DNA so the daughter cells hold the same genetic information when the parent cell divides

4 0
3 years ago
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This part of the nucleotide forms a hydrogen bond with its complementary part on dna
xxTIMURxx [149]

Answer: Base pairs are formed when adenine forms a hydrogen bond with thymine, or cytosine forms a hydrogen bond with guanine. The second part of a nucleotide is the phosphate, which differentiates the nucleotide molecule from a nucleoside molecule.

Explanation:

7 0
3 years ago
Evolution of the inner ear of humans can be traced back to the___system of fish
melomori [17]
The answer to your question is 
\boxed {\bf lateral~line}


\bf Explanation:
The lateral line system is found in fish and is used to feel a vibration, movement, and pressure in the water. These senses are derived from the epithelial tissue which reacts to the movement near the fish.

Hope this helps!
8 0
3 years ago
The bones of a bird are hollow why would this be an disadvantage for a bird
Naily [24]
Hollow bones are always a disadvantage because it means that they are less sturdy and easier for predators to break.
4 0
2 years ago
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