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Stells [14]
3 years ago
14

Signals from the ___ system cause contractions in skeletal muscles. A. Respiratory B. Endocrine. C. Nervous. D. Digestive

Biology
1 answer:
Andru [333]3 years ago
3 0
Answer: C) Nervous Sytem
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Some trolls have one eye (EE, Ee) while others have two (ee). Two heterozygous one-eyed trolls are crossed. What is the expected
Vlad1618 [11]

Answer:

75% one eye, 25% two eyes (or 3:1 one eye: two eye)

Explanation:

The cross between the two trolls are shown in the attached punnett square  

Ee x Ee gives 3 genotypes: EE, Ee, and ee

at a ratio of :1 EE: 2 Ee: 1 ee

Ee and EE are both one eye genotypes, so the <em>phenotype </em>is 3:1 one eye to two eye.

Download pdf
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4 years ago
Proteins are synthesized based on genetic information carried by DNA. Explain how the structure of DNA is important in the synth
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The synthesis of proteins takes two steps: transcription and translation. Transcription takes the information encoded in DNA and encodes it into mRNA, which heads out of the cell's nucleus and into the cytoplasm. During translation, the mRNA works with a ribosome and tRNA to synthesize proteins.

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3 years ago
Change in the pH should (activate, deactivate, have no effect) the enzyme.
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I would say it deactivates, because enzymes are picky about the type of environment they are in and will only work if they have the right environment. Hope i help. 
5 0
4 years ago
What is photosynthesis
geniusboy [140]

Answer:

Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.    

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velikii [3]
<span>Globally, diversity naturally has increased over time, though the great mass extinctions have decreased it for a while. The most famous of the mass extinctions is the one that claimed the dinosaurs, but we are currently in the midst of a human-created mass extinction. Local diversity, on the other hand, is constantly increasing and decreasing at very short time scales. There are many factors that affect diversity, and the major natural circumstances are given here. Human-generated impacts on diversity have almost always been negative, and are covered in the Conservation Issues section.</span>
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3 years ago
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