How have scientific advancements led to an increase in food safety?

Answers

Answer 1

Answer: Scientific findings of how to eliminate bacteria with uses of UV light and heat energy were used to protect the life span of food without harsh chemicals.

Answer 2

Answer:

Answer: all of the above

Explanation:

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Cactus spines are modified.1.) Leaves2.) Stems3.) Branches
8. Some saliva was mixed with water and placed in a test-tube labelled A to which some boiled, cooled starch was added. Two other test-tube B and C were prepared as follows: Test-tube B-water and saliva Test-tube C water and starch. The three test-tube placed in water bah at 37°C and allowed to stand in the water for 5 minutes. A few drops were removed from each test-tube with a piece of glass tubing and tested with iodine solution and Benedict's solution. (a) Which of the test-tubes contained a solution that gave an orange precipitate with Benedict's solution? (1 mark)

Describe the difference between motion and a reference point

Answers

without a reference you cannot tell that a body is in motion.when you are in a car u know that u are in motion with reference to that other object like trees are stationary.

a reference point is a non moving object that you compare to another object to see if its moving. Motion is an object that is moving, being pushed or pulled causing itto move

Roundworms are pseudocoelomic. This means that they have A. organs, but no true body cavity. B. a true body cavity, but no organs. C. both organs and a true body cavity. D. neither organs nor a true body cavity.

Answers

Answer: The correct answer is-

A. organs, but no true body cavity.

Based on the presence of body cavity ( also called coelom), multicellular animals can be classified as acoelomates ( no true body cavity), coelomates ( having true body cavity), pseudocoelomates ( false body cavity).

Roundworms are pseudocoelomic. This means that organs are present but the body cavity is not lined by mesodermal epithelium.

Body cavity is present between the external wall of body and the intestine and it baths the different body organs.

Thus, option A) is the right answer.

Answer:

Option A

Explanation:

All bilateral organisms have coelomates (cavity). However a Pseudocoelomate organism have a false cavity. By false cavity, we mean that there is a body cavity which is filled with fluid and all internal organs bathe in it including alimentary canal system , reproductive system etc. Unlike a coelom, Pseudocoelomate organism do not have body cavity completely lined with mesodermal cells.

hence, option A is correct

Consider this animal cell.The organelles in an animal cell are labeled. Part A is a structure that is comprised of flattened membranous sacs.

Which organelle is labeled A?
mitochondrion
ribosome
Golgi apparatus
lysosome

Answers

Answer:

The answer to your question is the Golgi apparatus

Explanation:

Mitochondria is letter G

Ribosome could be letter E

Golgi apparatus is letter A

Lysosome is letter B

Golgi apparatus has a function similar to a post office because it modified, sorted, packed and distributed proteins and lipids.

Final answer:

The organelle labeled A in an animal cell is the Golgi apparatus. It plays a role in altering, organizing, and preparing proteins and lipids for various cellular functions.

Explanation:

The Golgi apparatus is commonly known as the Golgi complex and is composed of flattened membrane sacs known as cisternae. It is involved in modifying, sorting, and packaging proteins and lipids that are synthesized in the endoplasmic reticulum (ER) and preparing them for transport to their final destinations. This organelle is essential for cell maintenance and function, having a major role in processing molecules created in the endoplasmic reticulum and preparing them for their specific uses, either within the cell or to be sent out of the cell.

Learn more about the Golgi apparatus here:

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why was it imporatnt for mendel to study such a large sample of pea plants to determine the probability of inheritance

Answers

It is important for Mendel to study such a large sample of pea plants to determine the probability of inheritance because higher sample size gives more accurate results.

>>>Mendel coined the terms “recessive” and “dominant” in reference to certain traits.One best association to this is is his study about pea plants. According to him, green peas are recessive and yellow peas are dominant.

Which of the following are considered macromolecules? Select all that apply. (2 points) A. Nitrogen
B. Lipids ******
C. Proteins *****
D. Carbon

The ****** are my answers. Can someone please check to see if their right? Thank you.

Answers

I believe the only option should be C. Proteins. Only Carbohydrates, Proteins and Nucleic Acids are categorized as Macromolecules, not Lipids.

A type of connective tissue fluid that moves throughout the circulatory system

Answers

BLOOD would be the connective tissue fluid

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