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Amanda [17]
3 years ago
13

Which statement correctly describes a characteristic that a scientific

Biology
2 answers:
maxonik [38]3 years ago
8 0

Answer:it’s A

Explanation:

Sergeeva-Olga [200]3 years ago
7 0

Answer:

To be accurate, it must be able to make measurements that are close to the actual value.

Explanation:

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Is work done when you carry a book across the room at a constant velocity
MArishka [77]

Image result for Is work done when you carry a book across the room at a constant velocity

Work is not done when you carry an object forward. You may have learnt that carrying an object and moving horizontally at a constant velocity has no work done. The truth is, there is a slight amount of work done due to overcoming air resistance in the horizontal direction.

5 0
3 years ago
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Pls help bio
kogti [31]
<h2>Cell Cycle </h2>

Explanation:

Eukaryotes grow and divide by cell cycle.

The main parts of a cell cycle are an ordered series of events – Gap 1 or G1 phase, Synthesis or S phase, Gap 2 or G2 phase, and the mitosis or M phases.  

Interphase period (G1, S, G2 phases) - cell grows by size, duplicates its content, replicates its DNA, and finally prepares for mitotic cell division .

Mitosis and cytokinesis - formation of two identical daughter cells

Cell cycle is regulated by regulatory or restrictive checkpoints in the cell cycle which are activated with detection of a defective DNA.

Proliferation of undesired or cells with defective DNA like in case of tumor cells is controlled by the action of suppressing agents like p53 and cyclins.

The tumor suppressor gene protein p53 prohibits division of tumor cells. Cyclins regulate cell cycle by activation of the enzyme cyclin-dependent kinase.

3 0
3 years ago
What was the ecosystem from which the first terrestrial animals emerged?
Advocard [28]
Terrestrial ecosystems (tetrapods)
5 0
3 years ago
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Which of the following functions has a requirement for thiamin? Blood coagulation Formation of red blood cells Energy release fr
Dominik [7]

Answer: the correct answer is energy-release from energy-yielding nutrients.

Explanation:

Thiamin is found in meals like cereals, wholemeal grains, meat, nuts, beans, peas. Thiamin is important in carbohydrates degradation in necessary products for the body. Thiamin is used for treatment or preventing deficiency in vitamin B1.

7 0
3 years ago
A single strand of dna helic has the code cgctaa. Which would be the complemntary code on the other strand of the helix
Damm [24]
It would be GCGATT. C always compliments G and A always compliments T in the case of DNA coding
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