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Makovka662 [10]
3 years ago
5

What chemical substances needed by body cells that result from the process of digestion is called

Biology
1 answer:
kozerog [31]3 years ago
5 0
The chemical substance needed by cells is called nutrients 
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Suppose you have identified a type of lizard that seems to have acquired a mutation in which hindlimbs are absent. Which gene, a
slavikrds [6]

Answer:

Sonic Hedgehog.

Explanation:

Sonic hedgehog is a secreted protein that in humans is encoded by the SHH gene. It is the best studied ligand of the hedgehog signaling pathway, others being desert hedgehog (DHH) and Indian hedgehog (IHH). It plays a key role in the development of animals, from insects to mammals. In vertebrates, it is involved in organogenesis, including the growth of digits on limbs and the organization of the brain.

Sonic hedgehog has also been shown to act as an axonal guidance cue. It has been demonstrated that SHH attracts commissural axons at the ventral midline of the developing spinal cord. Specifically, SHH attracts retinal ganglion cell (RGC) axons at low concentrations and repels them at higher concentrations

7 0
2 years ago
Pls can u help me with this question​
Julli [10]

I’d go with B. (if it’s not then C)

7 0
2 years ago
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Zachary is a 17-year-old male who appears boastful, conceited, and arrogant. when someone accuses him of being that way, he flie
Elza [17]
The diagnose for Zacahry would be Narcissistic Personality Disorder (NPD).  This type of disorder is characterized also with the following behaviors:  the person shows little care for others and is often envious when others are recognized for their achievements. Persons with this type of disorder are also prone to daydreaming and fantasizing about the success that <span>awaits him</span>
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2 years ago
2- Explain how land that gets broken up can<br> contribute to loss of species diversity
Minchanka [31]

Explanation:

Broken up land land contributes to a loss of species diversity through geographoc isolation. Geographic isolation is the physical barrier dividing the communities. It usually stops the gene flow between species in a process called allopatric speciation, contributing to reproductive isolation.

Further Explanation:

Spontaneous modifications in the genome can occur during the cycle of cell division, called mutations. These errors occur as copies of the DNA are produced within the cell; mutations may range from small modifications called single nucleotide polymorphisms to large-scale deletions and multi-gene additions.

Such mutations create variations that within a group become dominant, resulting in the creation of different, genetically distinct organisms called species.

Learn more about mutations at brainly.com/question/4602376

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly  

7 0
3 years ago
The four main parts of a flower are the _____. pistil stamen receptacle inflorescence sepal petal xylem phloem
elena-14-01-66 [18.8K]
They would be the pistil, stamen, receptacle, and petal.
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3 years ago
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