Carol and Sam were using the microscope in science class. They used a dropper to put some pond water on their microscope slide. This is what they saw. "That is something living," said Sam. "I don't think so," said Carol. What do you think? Explain.

Answers

Answer 1

Answer:

Answer:

Explanation:

I think Sam is right because pond water can be full of impurities which can include many microorganisms such fungi, bacteria, protozoa, etc. For example, there is high possibility that the pond water sample collected by Sam and Carol would contain traces of blue-green algae which is also a living organism as it uses sunlight to prepare its own food.

Answer 2

Answer: Sam was actually correct. Pond water usually contains microrganisms like bacteria, viruses, and parasites. This is also why people do not drink pond water without getting rid of the impurities.

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Which best describes the pericardium?

Answers

Pericardium is a membrane that surrounds the heart and the roots of the blood vessels. It is composed of two layers: the serous layer and the fibrous layer.

The Pericardium keeps the heart in place and in proper working order. Any disorders that occurs in the pericardium will also affect how the heart works.

Inflammation of the pericardium may be a result of infection, heart attack, heart surgery, and other medical side effects.

Final answer:

The pericardium or pericardial sac is a membrane that surrounds the heart, consisting of the fibrous pericardium and the serous pericardium. The serous pericardium further has a parietal layer and a visceral layer or epicardium, which secretes a lubricating fluid.

Explanation:

The pericardium, also known as the pericardial sac, is a membrane that directly surrounds the heart and defines the pericardial cavity. It consists of two distinct sublayers: the sturdy outer fibrous pericardium and the inner serous pericardium. The fibrous pericardium, made of tough, dense connective tissue, protects the heart and maintains its position in the thorax. The serous pericardium has two layers, namely the parietal pericardium, which is fused to the fibrous pericardium, and an inner visceral pericardium, or epicardium, which is fused to the heart.

The macroscopic epicardium layer consists of a simple squamous epithelium called a mesothelium, reinforced with loose, irregular, or areolar connective tissue that attaches to the pericardium. This mesothelium secretes the lubricating serous fluid that fills the pericardial cavity and reduces friction as the heart contracts.

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IN YOUROWN WORDS explain what is hypnosis?

Answers

the induction of a state of consciousness in which a person apparently loses the power of voluntary action and is highly responsive to suggestion or direction. Its use in therapy, typically to recover suppressed memories or to allow modification of behavior by suggestion, has been revived but is still controversial.

Smooth muscle, which is a tissue made up of a type of specialized muscle cell, functions in which process? food digestion skeletal movement pumping of blood heart contraction.

Answers

Answer:

Food digestion, edge 2022

Explanation:

Ur heart is pumping blood

A botanist wants to observe the change in rate of growth of plants compared to the change in amount of rainfall on randomly selected days. Which one of the following tools would be the best choice for representing this data?

Answers

line and scatter because it compares the increase decrease in a flow

Answer:

"Line and scatter plot" Is the correct answer

Explanation: i just did the test

PART 1which organelle is labeled A?
a. nucleus
b. vacuole
c. ribosome
d. mitochondrion

PART 2
which organelle is labeled E?
a. golgi apparatus
b. chloroplast
c. ribosome
d. nucleus

PART 3
which organelle is labeled I?
a. nucleus
b. mitochondrion
c. ribosome
d. chloroplast

PART 4
which organelle is labeled G?
a. cytoplasm
b. cell wall
c. cell membrane
d. vacuole

Answers

The answers to the following questions are:

Part 1: B. Vacuole

Part 2: A. Golgi apparatus

Part 3: D. Chloroplast

Part 4: C. Cell membrane

What are cell organelles?

An organelle is a type of subcellular structure that, much like an organ in the body, is responsible for performing one or more specialized tasks within the context of the cell. The nucleus, which are responsible for storing genetic information, the mitochondria, which are responsible for producing chemical energy, and the ribosomes, which are responsible for assembling proteins, are some of the more essential organelles found in cells.

The nucleolus, the nucleus, the ribosome, the vesicle, the rough endoplasmic reticulum, the Golgi apparatus, the cytoskeleton, the smooth endoplasmic reticulum, the mitochondria, the vacuole, the cytosol, the lysosome, and the centriole are the major organelles and structures found within the cytoplasm.

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Answer:

Part 1: B. Vacuole

Part 2: A. Golgi apparatus

Part 3: D. Chloroplast

Part 4: C. Cell membrane

The three parts of an amino acid are the amino group, the carboxyl group, and the ??

Answers

The Answer is "R" group.
Amino acids are organic compounds and have two carbon bonds. The three parts of an amino acid are the amino group, the carboxyl group, and the R group. In amino acids, alpha carbon is bonded to hydrogen atom and the other groups. That R group is different in amino acids and shows how the protein monomers are different from each other.

The last group that is included is the R Group.

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