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Paladinen [302]
2 years ago
8

What information did you include in your response? Multiple Choice

Biology
1 answer:
posledela2 years ago
8 0

Only you can answer this unless the last response is given.

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Which data table describes the Sun? Composition mostly frozen nitrogen Mass 258.9 × 1018 kg Composition mostly hydrogen and heli
tigry1 [53]

Answer:

Composition: mostly hydrogen and helium gas

Mass: 1.989 × 10³⁰ kg

Explanation:

Sun is a star at the center of the solar system. It is mostly composed of Hydrogen and Helium gases. Fusion of Hydrogen into Helium in the core powers the sun. Huge amount of heat and light energy is liberated. The mass of the Sun is 1.989 × 10³⁰ kg. Sun is a Population I star.

8 0
3 years ago
Read 2 more answers
“What major structure filters foreign materials from the blood?”
tester [92]

1) Check for ignition problem. If you have a distributor, pay special attention to distibutar pickup and also ignition wires.
2) Check the TPS. Voltage should change smoothly as you move the throttle
3 0
3 years ago
In science a hypothesis is useful only if it can be
Evgen [1.6K]

Answer:

In science a hypothesis is useful only if it can be <u><em>tested</em></u>.

Explanation:

In a scientific experiment, a hypothesis can be described as a tentative experiment that can be tested through observations and experimentation. The results inferred from the experiments can prove whether a hypothesis was correct or wrong. Hence, a hypothesis is a very important part for the scientific method of research. The validation of a hypothesis through experimentation brings about theories, facts, laws etc. A hypothesis is made in response to a scientific question.

7 0
3 years ago
What is a hematocrit? A hematocrit is the percentage of erythrocytes in a whole blood sample. A hematocrit is the percentage of
Nitella [24]

Answer:

Option A

Explanation:

The test which  determines the percentage of erythrocytes or red blood cells (RBC's) in the total blood sample of an individual  is known as the hematocrit blood test. The measurements for hematocrit test are usually taken by volume. It is a very basic test conducted as per prescription of physician to understand the health of an individual  

Anemia results when the results of hematocrit blood test are extremely low.  

Hence, option A is correct

6 0
3 years ago
2. Describe how the lac operon functions, and explain how it permits E.
MAXImum [283]

Answer:

The lac operon is an operon, or group of genes with a single promoter (transcribed as a single mRNA). The genes in the operon encode proteins that allow the bacteria to use lactose as an energy source. coli normally metabolise glucose, but if glucose is not available in a new environment, the lac operon can allow E. coli to metabolise lactose, the sugar found in milk using the structural genes beta-galactosidase and lactose permease. The lac operon of E. coli contains genes involved in lactose metabolism. ... It normally blocks transcription of the operon, but stops acting as a repressor when lactose is present. The lac repressor senses lactose indirectly, through its isomer allolactose.

Explanation:

7 0
3 years ago
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