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hoa [83]
2 years ago
11

Does plant food X have an effect on the production of tomatoes?

Biology
1 answer:
steposvetlana [31]2 years ago
4 0
Hypothesis: If Plant Food X is used on a tomato plant, then production rate will increase. 
experiment: Gather 2 tomato plants of the same height and age. Make two groups, a control group (a tomato plant without use of fertilizer) and an experimental group (a tomato plant with using Plant Food X).
For one week, give each plant the same amount of water, humidity, sunlight, and air temperature. after a week measure the height and number of tomatoes produced. gather the info in a table and compare to hypothesis after one week. 
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Your assignment in biology lab is to design an experiment that would detect whether a substance is breaking down, or digesting,
Elis [28]

Answer: Option B

Explanation: First we should understand the role of enzyme and acid here. Pepsin is an enzyme which will break down proteins into simple monomers (like amino acids). And, acid causes digestion which means it will break down the protein into its respective elements and compounds. Water will act as a control in this experiment.

Option B is correct because it has all three criteria-                                                                                   1. Control [water + protein]                                                                                                               2. With enzyme [egg white + pepsin]                                                                                           3. With acid and enzyme

So this will give us an idea whether pepsin alone is breaking down the protein or digesting it. And there would be difference in test tube B and C. So this will clear the difference.

Option A is incorrect because it has not mentioned any different test tube for checking what happened with the protein. And, Option C is incorrect because mass of egg white will remain same after digestion also.

6 0
2 years ago
Suppose you are visiting the equator. It is noon. The Sun is at its highest point in the sky for the day, which is directly over
vampirchik [111]

Answer:

Latitude on the equator is 0 degrees and longitude is 180 degrees.

If this helps, please give me brainliest.

6 0
2 years ago
If 33 of the 300,000 people in Corpus Christi, TX, have PKU, how many people are carriers (heterozygous) for PKU?
miv72 [106K]
The number of people who are carriers (heterozygous) for PKU if there are 33 of the 300,000 people in Corpus Christi, TX, have PKU is 15. Heterozygous or also called as zygosity refers to having the unlike genes or different genes. 
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2 years ago
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tatuchka [14]

Answer:1. They allow the movement of molecules from one cell to another, enabling communication between cells.

Explanation:the cell wall is a rigid and cellulose containing wall, which surrounds the plasma membrane.

During lignification, small pores appear on the cell wall through which cytoplasmic strands extend.these pores are the plasmodesmata,which provides connections between plant cells

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In humans and other mammals, dosage compensation is achieved by
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I believe its when you <span>silencing one of the two X chromosomes in female cells...

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