Answers
Answer:
its a cell inside you can see the membrane and mitochondria which gives the hint
Related Questions
what are several defenses that keep pathogens from getting inside the body
Answers
Answer:
The body has two lines of natural defense to protect against infection. The first are physical barriers, such as the skin, body secretions and mucous membranes. The second line of defense is the immune system. Specialized immune cells coordinate and execute attacks to kill germs that make it past the body's physical barriers.
6. Alex wanted to find out what toothpaste made teeth the cleanest. Everyday she brushed her teeth with a different product and then took a plaque test to see how much plaque was left. She used Crest, Colgate, Close-up, and water. a. Independent Variable (IV): ______________________________________________ b. Dependent Variable (DV): ______________________________________________ c. Control: _____________________________________________________________ d. Constants:__________________
Answers
Answer:
Independent variable: Different products of toothpaste
Dependent variable: Amount of plaque left in her teeth
Control group: Water
Constant: Same amount of time for product to have an effect
Explanation:
Independent variable is the variable that is subject to manipulation or change by the experimenter in order to effect a measurable response. The independent variable in this experiment is the DIFFERENT PRODUCTS OF TOOTHPASTE USED.
The dependent variable is the variable that is measured during the experiment. In this experiment, the dependent variable is the AMOUNT OF PLAQUE LEFT IN ALEX'S TEETH.
The control group in an experiment is the group that does not receive the treatment/independent variable. In this case, the usage of WATER is the control.
The constant is the variable kept the same for all the groups in the experiment. In the case, the Same amount of time for each product to have an effect on her teeth is the CONSTANT.
where does a photosystem occur in a plant cell
Answers
Answer:
thylakoid membrane
Explanation:
yes
What is used to select the entire table
Answers
Answer:
Select an entire table using a keyboard. To select an entire table using a keyboard, position the cursor in the first cell of the table. Press Alt + Shift + End on your keyboard to select to the end of the first row and then press Alt + Shift + Page Down to select to the last cell.
Ultimately, all scientific knowledge comes from:
Select one
a. textbooks
O b. experimentation
O c. experimentation & observation
O d. observation
Answers
Ultimately, all scientific knowledge comes from:
Select one
O a. textbooks
O b. experimentation
O c. experimentation & observation ✓✓✓
O d. observation
Ultimately, all scientific knowledge comes from experimentation and observation (Option c).
What are experimentation and observation?Experimentation and observation are procedures used in the scientific method to validate hypotheses.
The experimental and observational procedures can also be used to reject my working hypothesis.In conclusion, ultimately, all scientific knowledge comes from experimentation and observation (Option c).
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Fox is related to cunning, as leaf is related to
1. Calcium
2. hub
3. sap
4. crump
Answers
HELP ME
A plate moves south at a rate of 2 cm/year. How many meters south from its original location will the plate be in
4,000 years?
8,000 meters south
04.000 meters south
O 200 meters south
O 80 meters south
Answers
Answer:
8,000 meters south
Explanation:
2 times 4,000
Answer:
80 meters
Explanation:
2cm per year would be 8000 cm in 4000 yearsconvert 8000 cm to meters there are 100cm in a meterso 8000 cm is equal to 80 metersNeed help emt class
Answers
Answer:
3.
ExplaA bilateral hip replacement, for instance, replaces both hip bones in the same operation.
4. The immune system
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A very thin slice is removed from a peanut and treated with Sudan III, another indicator that turns red in the presence of a lipid. Then the same slice is treated with Biurets reagent. When the peanut is examined under a microscope, little patches of red and blue-violet can be seen. What conclusions can be drawn from this examination? Why would you expect this result?
Answers
Answer:
Little patches
Explanation:
blue- violet
Little patches and blue- violet.
What is Little patches?Sudan III is a bis(azo) chemical that has a 4-[(2 methylphenyl)diazenyl]phenyldiazenyl group replaced at position 1 of the 2-naphthol ring. a fat-soluble dye that can stain some protein-bound lipids in paraffin sections and is mostly used to show triglycerides in frozen sections.
It functions as a histology dye, a fluorochrome, and a carcinogen. It belongs to the class of azobenzenes, is a bis(azo) chemical, and is a naphthol. It is similar to a 2-naphthol in terms of function.
"It certainly does not mean, as many writers have assumed, that the lipid in question belongs to the carbohydrate-containing glycolipid (cerebroside) group.
Therefore, Little patches and blue- violet.
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Which best describes the relationship between temperature and dissolved oxygen in a lake?
As temperature increases, dissolved oxygen increases.
As temperature increases, dissolved oxygen decreases.
As temperature decreases, dissolved oxygen decreases.
A change in temperature has no
effect on dissolved oxygen.
Answers
Explanation:
Air and Water Temperature Increases
For example, increases in water temperatures are expected to result in the following: Lower levels of dissolved oxygen due to the inverse relationship that exists between dissolved oxygen and temperature. As the temperature of the water increases, dissolved oxygen levels decrease.
Which one of the following is true of the structures labeled D in the cell membrane?A.They are membrane proteins.B.They are hydrophilic.CThey are carbohydrates.D.They are hydrophobic?
Answers
The structure labelled D in the cell membrane is hydrophilic in nature. That is option D.
What is phospholipid bilayer?Phospholipid bilayer is defined as the part of the cell membrane that is made up of two phospholipid layers which include:
Hydrophobic layer: The interior which is water hatingHydrophilic layer: The exterior that is water loving.Therefore, from the diagram, the structure labelled D is the interior part of the phospholipid bilayer which is hydrophilic in nature.
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why must a scientific explanation be supported by data
Answers
Answer:
Supporting a scientific inquiry with data helps reduce the bias opinion that's humans have.
How many meters per hour did marica run?
Answers
how many meters per hour did marica run ? 12,600
For each picture shown, choose the level of organization depicted.
Answers
Answer:
1. cell
2. organ system
3. tissue
4. organ
Explanation:
I had the same question and got these answers and they were registered as correct
Hopefully this helps you
pls mark brainlest
1. cell
2. organ system
3. tissue
4. organ
What is cell?"A cell is defined as the smallest, basic unit of life that is responsible for all of life's processes.” Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life
What defines an organ system?An organ system is defined as a group of organs that work together to perform bodily functions. For example, the organs in the gastrointestinal (GI) system each play a unique, important role in food digestion.
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How are decomposers important to the health of an ecosystem?
A. Decomposers recycle nutrients.
B. Decomposers convert solar energy to chemical energy.
C. Decomposers provide the foundation for the food web.
D. Decomposers are parasites.
Answers
Answer:
Decomposes recycle nutrients
Explanation:
Ape-x
list 3 pros to cow calf operation
Answers
Answer:
1. Profits
2. Forage is cheaper than feed
3. low death loss
After researching the rock they found, Mary and Jim believe it contains large pieces of the mineral limonite. They observed that their rock was yellow in color. And, according to the data they gathered, limonite is also yellow. They plan to conduct an investigation using the scientific method. Part A What is Mary and Jim’s hypothesis?
Answers
The definition of a hypothesis is a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation. therefore this means that there hypothesis is that the stone is limonite because limonite is also yellow.
Where is the spine ? i want the answer
Answers
Answer:
in your back
Explanation:
Answer/Explanation:
The spine is located in the person's back. It is right along the midline and is split in half when looking at the sagittal plane. Although some people have spinal issues which can cause it to be dislocated.
Hope that helps and have a great day!
Which of the following is(are) true about ribosomes? Select all that apply. They are found free floating in the cytoplasm. They are the site of production of carbohydrates. They are found on the surface of the smooth endoplasmic reticulum. They are the site of protein synthesis.
Answers
They are found free floating in the cytoplasm & They are the site of protein synthesis
Many cells make and use an enzyme, called catalase, to facilitate the decomposition of hydrogen peroxide (H2O2). The products of the decomposition are hydrogen (H2) and oxygen (O2).
Which of these changes to the cell would cause the greatest reduction in the activity of catalase?
A)
a decrease in the concentration of hydrogen and oxygen
B)
an increase in the concentration of hydrogen peroxide
C)
an increase or decrease in pH beyond normal range
D)
a return of pH to the normal range
Answers
Answer:
B an increase in the concentration of hydrogen peroxide.
Explanation:
When blood glucose levels are high and the glucose is not utilized for cellular respiration, the human body will store this glucose in the liver and muscles. In what form is this glucose stored?
A) glycogen
B) maltose
C) starch
D) sucrose
When blood glucose levels are high and the glucose is not utilized for cellular respiration, the human body will store this glucose in the liver and muscles. In what form is this glucose stored?
A) glycogen
B) maltose
C) starch
D) sucrose
Answers
Answer:
a and d ok
Explanation:
hello
Which organelle transports material throughout the cell?
Cell Membrane
O Endoplasmic Reticulum
O Mitochdadria
O Lysosome
o
Answers
Answer:
lysosome I think.
Explanation:
forensic odontologists might be involved in which of the following circumstances?
a: a femur bone is found in a field
b: a victim has a bite on his arm
c: a profile of a suspect is needed
d: beetles are collected from a decomposed body
Answers
Answer:
A victim has a bite on his arm
Explanation:
took the test and got it right
When writing a hypothesis in this class, an if... and... then... statement is
used. What is written after the if?
Controlled Variable
Independent Variable
Dependent Variable
Constant
Answers
Where does photosynthesis happen the fastest and the slowest?
Answers
Answer: It's basically fastest when white light hits and when yellow, red and green light hits it's at its lowest
Explanation: i hope this helped
The main focus of conservation is to
a. wisely manage natural resources for people's use
b. set aside land and protect it from human activities
c. demand government action to pass environmental laws
d. prevent wild species from becoming endangered
e. limit society's demand for natural resources
Answers
Answer:
A.) Wisely manage natural resources for people's use
Explanation:
Because conservation is like preservation but conservation wants to seek sustainable use of nature by humans for activities such as, hunting, logging, and even mining.
What would you need to know to determine the total amount of photosynthesis going on in the canopy and near the forest floor? Why?
Answers
Answer:
you would need alot of water and soil
Explanation:
What are the functions of sugars
Answers
Answer:
the provide the energy u need
Explanation:
How do consumers use the sun to get their energy?
Answers
where does the word atom come from
Answers
Answer:
greek word atomos which means invisible a- means not and -tomos means cut
Explanation:
Explanation:
Greek philosophers such as Democritus and Epicurus suggested that matter is made up of tiny indivisible particles called atoms. The word atom is derived from the Greek word atomos, which means indivisible or uncut.