What are the three domains of biological classification?

Answers

Answer 1

Answer: Three domains of biological classification are:

1) Bacteria
2) Archaea
3) Eukaryota

Hope this helps!

Answer 2

Answer:

THE ANSWER IS

Bacteria, Archaea, Eukarya

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In cells, __________ are proteins that are needed to lower the amount of energy required to start chemical reactions.a. acids b. enzymes c. products d. substrates

Investigators are studying a signaling pathway in which an RTK activates the monomeric GTPase Ras.a. True
b. False

Answers

False. Correct me if i’m wrong.

Descibe the structures that form the outside of a prokaryotic cell?

Answers

the formed structures outside of the prokaryotic cells are the plasma membranes these are semi-permeable barriers (selective with what passes through and what doesn't). They also have proteins embedded in them for cell signaling and transporting large materials easily inside and outside the cells.
common structures for all prokaryotes are a nucleoid region (the circular DNA), ribosomes, plasma membrane, and a cytoplasm.
hope that helps!

Three environmental factors that affect Salmonella growth and
survival.

Answers

Answer: Temperature, Humidity(can go hand in hand), pH, and sunlight to name a few

Final answer:

Three environmental factors that affect Salmonellagrowth and survival are temperature, moisture, and pH level.

Explanation:

Salmonella is a type of bacteria that can cause food poisoning in humans. It is commonly found in raw or undercooked poultry, eggs, and other food products. The growth and survival of Salmonella are influenced by various environmental factors. Three important factors that affect Salmonella growth and survival are temperature, moisture, and pH level.

Temperature: Salmonella bacteria thrive in temperatures between 40°F (4°C) and 140°F (60°C). This temperature range is known as the danger zone for bacterial growth. At temperatures below 40°F, Salmonella growth slows down, while temperatures above 140°F can kill the bacteria.

Moisture: Salmonella requires a moist environment to grow and survive. High levels of moisture provide favorable conditions for bacterial growth. Dry environments, on the other hand, can inhibit Salmonella growth.

pH Level: Salmonella bacteria prefer a slightly acidic to neutral pH range of 4.0 to 7.0. Extreme pH levels, either highly acidic or highly alkaline, can inhibit the growth of Salmonella.

Understanding these environmental factors is crucial in preventing the growth and spread of Salmonella in food and other environments.

Learn more about factors affecting salmonella growth and survival here:

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Is a nucleic acid that contains the genetic information for heredity in most organisms.A. a chromosome
B. genetics
C. a gene
D. heredity
E. DNA

Answers

The correct answer is E. DNA

DNA stands for Deoxyribonucleic acid which is a nucleic acid with genetic material.

Answer:

dna

Explanation:

Which of the following is inaccurate in relation to viruses?a. They seek a specific host.
b. They have nucleic acid core.
c. They feature a capsid.
d. They reproduce independently.

Answers

The answer is D.They reproduce independently. It is false because they need a host and can't survive by themselves.

♡♡Hope I helped!!! :)♡♡

d. They reproduce independently.

Light alerts the biological clock to slow down the secretion of which hormone that promotes sleep

Answers

Light alerts the biological clock to slow down the secretion of melatonin hormone that promotes sleep. Melatonin hormone is a hormone that is produced by the pineal gland in animals and regulates sleep and wakefulness. . The hormone is used to regulate night and day cycles or sleep-wake cycles, darkness causes the body to produce more melatonin, which signals the body to prepare for sleep. Light decreases melatonin production and signals the body to prepare being awake.

Other Questions

Proteins are considered biological polymers because they contain repeating units of amino acids. True False

Three components common to all amino acids

The Siberian Husky is a medium dog, weighing between 16-27kg (35-60lbs). These dogs have strong pectoral and leg muscles, allowing them to move through dense snow. If they had heavier muscles, they would sink deeper into the snow and move slower. Yet, if they had lighter muscles, they would not be strong enough to pull sleds and equipment. This is an example of which type of natural selection?a. Directional selectionb. Stabilizing selectionc. Disruptive selection

A scientist modified the structure of a promoter region of a gene. What could be its effect on transcription and translation?A. RNA polymerase no longer binds to the DNA, so DNA will be directly translated into protein. B. RNA polymerase will now bind to the coding region of the gene and carry out transcription. C. RNA polymerase may not be able to bind to the DNA, so transcription will not occur