Select the item that is NOT a common pathogen. 1.) Salmonella 2.) Typhoonosis 3.) Staphylococcus aureus 4.) Listeria

Answers

Answer 1

Answer: 2) Typhoonosis.

Here's why:
1)Salmonella-It's a pahtogen.

2)Typhoonosis-Typhoonosis doesn't exist, so it isn't a pathogen.

3) Staphylococcus Aureus-It's a pathogen.

4)Listeria-It's a pathogen.

I hope I helped! :)

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Human gametes contain how many chromosomes? A. 13 B. 23 C. 36 D. 46

Answers

Answer:

B. 23

Explanation:

The answer is B. 23

Which is the functional unit of the kidney where blood is filtered, water and other dissolved substances are reabsorbed, and waste is sent out to be excreted?

Answers

The correct answer to this question would be the nephron. The nephron is the functional unit of the kidney. It is where the blood, water, wastes that are in the form of fluid, and other dissolved substance (small enough to pass through the kidney) is sent out and to be excreted.

D. Nephron

Hope it helps :)

Which of the following are characteristics of prokaryotes?single-celled structure
flagella for movement
distinct nucleus
membrane-bound organelles

Answers

The characteristics of prokaryotes include: single-celled structure and they have flagella for movement. Membrane-bound organelles such as mitochondria, chloroplast, nucleus and etc. are absent in prokaryotes. Examples of organisms that are considered as prokaryotes are bacteria and algae.

Final answer:

Prokaryotes are single-celled organisms that use flagella for movement. They do not have a distinct nucleus or membrane-bound organelles, unlike eukaryotes. Their DNA is often circular and not organized in chromosomes.

Explanation:

The characteristics of prokaryotes listed include their being single-celled and their use of flagella for movement. However, prokaryotes don't have a distinct nucleus, rather they have a region known as nucleoid where their DNA is located. Also, they lack membrane-bound organelles. They are simpler in structure compared to eukaryotic cells. Their DNA is often circular and not organized in chromosomes as in eukaryotes.

Learn more about Prokaryotes here:

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Maria is concerned because she has been exposed to a small amount of radiation during an X-ray. What is her doctor most likely to tell her?

Answers

The doctor should reassure the patient that exposure to radiation from a medical device becomes dangerous only if it is exposed for a long time, in high doses, or repeatedly.

It is true that there is a particular risk for pregnant women with regard to the fetus. In this case, the ratio between the benefit to the patient and the possible risk of side effects should always be taken into account.

Many people have been exposed to radiation- and that she shouldnt be worried because the amount of radiation she was exposed to was very little and most likely wont effect anything or anyone.

In multicellular organisms, life begins as a single cell until ___________ occurs, causing growth.

Answers

mitosis the single cell divides using mitosis so that the organism can grow

All organisms need energy to perform different functions, and the energy needed is typically obtained through ATP. Which bond in ATP must be broken in order to release energy during cellular respiration?

Answers

ATP usually releases energy by breaking down the weak phosphate cell present. The energy released due to the breaking down of the phosphate cell is then utilized. The ATP is converted to ADP. Whenever a cell feels the necessity for energy it releases a phosphate to gather the energy. It is an automatic and ongoing process. The weak bond between the second and the third phosphate is always targeted for turning ATP to ADP. This is the reason ATP is considered the main energy currency for the cell.

Answer:

ATP is the energy currency of the cell. The synthesis of ATP occurs during cellular respiration in the cell. This energy is used by cells to perform the different metabolic functions of the cell.

The energy is stored in the terminal phosphoanhydride bonds. This bond is called a high energy bond and when this bond is broken down then this high energy is released in the environment and is used to perform the important functions of cells. After the breakage of the bond, ATP converts into ADP.

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