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denpristay [2]
3 years ago
6

What are functions a chicken leg has that a human arm doesn’t

Biology
1 answer:
EastWind [94]3 years ago
4 0
they have 3 fingers we have 5
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Which of the following energy is converted into chemical energy by the chlorophylls?
irga5000 [103]

Answer:

light energy

Explanation:

Plants take in sunlight given off by the sun to make food during photosynthesis

7 0
2 years ago
Read 2 more answers
How can cells from the same organism have such different shapes and functions?
Savatey [412]

Answer: As each cell differentiates, the <em>DNA </em>changes so that each type of cell has different <em>DNA</em> once it reaches maturity. Mutations in the cells’ nuclei lead to new combinations of <em>DNA</em>, resulting in different shapes and functions in the different types of cells.

Hope this helps!

5 0
2 years ago
Which is the best definition of a phylogenetic tree?
dedylja [7]
Is there multiple choice answers?
3 0
3 years ago
To determine the presence and concentration of water pollutants, scientists are least likely to usea. chemical analysis of water
sergey [27]

Answer:

B. satellite photographs.

Explanation:

Technology can be defined as a branch of knowledge which typically involves the process of applying, creating and managing practical or scientific knowledge to solve problems and improve human life. Technologies are applied to many fields in the world such as medicine, information technology, cybersecurity, engineering, environmental etc.

Basically, knowing how to use a technology simply means a scientist understands the appropriate method or technique to be used in the application of a technology such as when solving a problem. Also, knowing when to use a technology means to know the appropriate time to use a particular technology without it having any repercussion or adverse effect.

Pollution can be defined as the physical degradation or contamination of the environment through an emission of harmful, poisonous and toxic chemical substances.

In order to determine the presence and concentration of water pollutants, scientists are most likely to use the following techniques;

I. Chemical analysis of water samples.

II. Analysis of indicator species.

III. Genetically engineered bacteria and yeasts.

IV. Chemical analysis of sediment.

However, satellite photographs are likely to be used to get a graphical illustration of the physical environment.

3 0
2 years ago
A researcher is studying a population of mutant fibroblasts that fail to flatten and attach to extracellular matrix proteins on
Vladimir79 [104]

Answer: Components of cell junctions

Explanation:

<u>Fibroblasts are cells located in the dermis,</u> responsible for the formation and remodeling of tissue. They synthesize fibers and maintains the extracellular matrix of the tissue of animals. So, t<u>he extracellular matrix is a structurally complex entity that surrounds and supports the cells found in tissues</u>.

A cell junction a structure that exists within the tissues of animals and they consist of protein complexes that provide contact between cells or between a cell and the extracellular matrix. So if the cells do not appear flattened and do not attach to the extracellular matrix, then there is a problem with the components of cell junctions, which are mostly proteins as it was said before. And since proteins are coded by genetic information stored in DNA, then if there is a mutation in any of those genes, the fibroblast will fail to attach because the protein of the cell junction will be abnormal.

6 0
3 years ago
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