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Vera_Pavlovna [14]
2 years ago
9

The kidneys are stimulated to produce renin ________. A. by a decrease in the blood pressure B. when the specific gravity of uri

ne rises above 1.10 C. when the pH of the urine decreases D. when the peritubular capillaries are dilated 4 points First Question Previous Question Question 13 of 25 Next Question Last Question Unsaved change Moving to another question will save this response.
Biology
1 answer:
tresset_1 [31]2 years ago
7 0

Answer: A

Explanation: I hope this helped! :)

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and this experiment you will breed mice to investigate the role of genes when parents pass traits down to their offspring State
kicyunya [14]
They will pass down traits or diseases in the experiment
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2 years ago
The Great Oxygen Event marks the time, approximately 2.5 billion years ago, when ________.
Leokris [45]

Answer :There was enough oxygen in the atmosphere to support a major burst of life on Earth

Explanation:

The Great Oxygen Event marks the time, approximately 2.5 billion years ago, when there was enough oxygen in the atmosphere to support a major burst of life on Earth

For the first half of the Earht's history, there was no oxygen in the atmosphere. It was inhabited only by single-celled organisms.Of  those simple life forms, the cyanobacteria may have. evolved a way to take energy from sunlight, and used it to make sugars out of water and carbon dioxide. They used the same chemical process we know as photosynthesis. This released vast quantities of oxygen into the atmosphere and  triggered the evolution of complex life.

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2 years ago
Surfactants work by ________. Group of answer choices blocking transport out from the organism blocking transport into the organ
Dmitriy789 [7]

Answer:

disrupting membrane integrity                

Explanation:

Surfactants work by disrupting membrane integrity. Surfactants disrupt cell membrane integrity by absorbing at the cell membrane and destroying the cell membranes bilayer thus lowering the surface tension of the cell which results in leaky spots resulting in the cell being more permeable.

7 0
2 years ago
Read 2 more answers
Determination of Caloric Content of Three Foods1. Compare the calorimeter that you built to a bomb calorimeter. How are they sim
yulyashka [42]

Answer:

The answers to both parts (1 and 2) are given below.

Explanation:

1. The calorimeter is similar to the bomb calorimeter in a way that both measure the changes in heat that occur as result of the chemical reaction taking place inside them. They are different in the sense that a bomb calorimeter provides an isolated system with constant volume and pressure, whereas a regular calorimeter allows pressure to equalize with the environment.

2. Carbohydrates are the molecules that break down and provides energy for cellular functions. Whereas, proteins are not meant for the production of energy but for the production of amino acids to function as structural units for protein synthesis. Simply, the breakdown of protein is for the synthesis of more proteins by providing several units of amino acids rather than the production of energy.

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2 years ago
Which of the following structures are found in all living cells? (Select all that apply.)
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Answer:

cell membrane, DNA and RNA, cytoplasm, and ribosomes

Explanation:

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2 years ago
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