BIOLOGY MIDDLE SCHOOL

How to make coins dirty

Answers

Answer 1
Answer: The dark brown color of a penny is most likely oxidation, which occurs when the copper in the penny comes in contact with oxygen. 
Answer 2
Answer: you can  leave it in water    put   dirt  and stuff like that to get it dirty 

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Which of the following statements regarding chloroplasts is false?Choose 1 answerA Chloroplasts contain DNA.B According to the endosymbiosis theory, they were formed by an ancestral eukaryoteconsuming photosynthetic bacteria.C Thylakoids are pigments found within chloroplasts that give plants their green color.D Photosynthesis occurs in the chloroplast
This branching tree diagram is most likely used to represent the theory that suggests

What is the purpose of equilibration ?

Answers

Answer:Equilibration buffer provides a condition to ensure that the target molecules interact effectively with the ligand and are retained by the affinity medium as all other molecules wash through the column.So the buffer pH and ionic strength at optimal condition are responsible for this ligand-molecule interaction.I hope this will help you.

Which rock exhibits banding? the topic is earth science

Answers

Metamorphic rock exhibits banding

Why do venus fly traps have lysosomes?

Answers

Venus Fly Traps have Lyosomes because it helps break down food that was ingested by cells. Most plants use the sun to produce protein and fat to make glucose sugar, but since this eats insects produce digestive enzymes similar to the onesin the stomach and intestines of animals. 

Carbon’s valence is

Answers

Answer:

The carbon atom has four valence (outermost) electrons. Because of this unique configuration, it is easier for the carbon atom to share its four electrons with another atom or atoms than to lose or gain four electrons.

Explanation:

The carbon atom has four valence (outermost) electrons. Because of this unique configuration, it is easier for the carbon atom to share its four electrons with another atom or atoms than to lose or gain four electrons.

How does dna give us our traits?

Answers

Answer:

Each parent passes half of there chromosomes to there child. DNA is passed down to the next generation. We get our traits from our parents, grandparents, and relatives. And a very low percentage of people get there traits from there great great great grandparents.

Facts about Cytoplasm for kids

Answers

Cytoplasm gives the cell structure, it helps the cell move around proteins, it is composed of water and soluble iron, 80% of it is water, and it contains essential enzymes! I hope this helped! =D
Cytoplasm has all the material from inside and outside of the cell, next to the cell membrane.
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Biology and geology are two different sciences ,but biologists and geologists are scientific knowledge in the same way.these scientists both use scientific knowledge to?