Which tenet of the cell theory is being demonstrated by the graph below? A.) cells can never be destroyed B.) cells are the smallest unit of life C.) all living things are made of cells D.) cells come from existing cells

Answers

Answer 1

Answer:

The cell theory demonstrated by the graph above is that all cells come from pre existing cells.

Related Questions

Which of the following is a central idea of cell theory? (5 points)
All living things are made of at least two cells.
O Cells cannot live alone as single organisms.
O All living things have five or more types of cells.
Cells are the basic unit of structure and function in living things.

Answers

it’s cells are the basic unit of structure and function in living things

What is one of the ways we can conserve?
A. use more nonrenewable resources
B. use products made with plants or animals from the rainforest
C. use recycling centers

Answers

It’s either A or C not sure tho

because using recycling centers can help things be reused.

Which part of scientific design occurs when an experiment is conducted by more than one scientist to determine the validity of results?
Replication
Research
Trials
Variables
The answer is: Trials.

Answers

Trials part of scientific design occurs when an experiment is conducted by more than one scientist to determine the validity of results. Thus the correct option is C.

What is trail?

Researchers gather information, group volunteers according to broad characteristics, and compare changes over time.

Repeated trials are when researchers do a measurement multiple times - at least three, commonly five, but the more the better. When they measure something once, the chance that the number he get is accurate is much lower. But if researcher measure it several times, then he can take an average of those numbers and get a result that is much closer to the truth.

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Answer:

Explanation:

Which of the following most nearly approaches the commonly preferred soil pH?
A pH of 8
A pH of 5
A pH of 14
A pH of 3

Answers

Answer:

I did the test and put A pH of 5 but I got it wrong so I redid the test and put

A pH of 8 and I got it right!

Explanation:

A healthy, stable ecosystem is one in which many kinds of plants and animals -

A) Lack what they need to live

B) Produce only a few offspring

C) Are protected from all diseases

D) Are able to meet their needs

Answers

Answer:

D) Are able to meet all their needs

Explanation:

the description sounds like a pretty healthy ecosystem to me

The discovery of cells was made possible by the invention of microscopes. Today, several different types of microscopes are used by scientists. Which of the following best describes transmission electron microscopes? A.Transmission microscopes produce images of cell surfaces. B.Transmission microscopes produce three-dimensional images of cells. C.Transmission microscopes produce highly detailed images of cell structures. D.Transmission microscopes produce images of living cells.

Answers

Answer:

Explanation:

The statement that best describes transmission electron microscopes is:

C.Transmission microscopes produce highly detailed images of cell structures

A microscope is the instrument that is used to view microorganism and magnify them so that they cab be visible to the human eyes.

The transmission electron microscopes are those micrpsccp[es wjich makes use of a particle beam in order to produce a well magnified image and can magnify an object uo to two million times.

As a result of this, they produce highly detailed images of cell structures.

Therefore, the correct answer is option C

Answers

Answer:

The answer is A

Explanation:

The correct answer is A !

PLEASE HELP WILL GIVE CROWN

Answers

Answer:

C E A hope it helps

Explanation:

C e and a I’m pretty sure make sure to tell me if I’m right or wrong

What are some examples of disturbances that lead to secondary succession

Answers

Answer:

Secondary succession occurs when the severity of disturbance is insufficient to remove all the existing vegetation and soil from a site. Many different kinds of disturbances, such as fire, flooding, windstorms, and human activities (e.g., logging of forests) can initiate secondary succession.

Explanation:

What type of pollution causes health problems primarily through decreased mental health and stress?
A. Species extinction
B. Acid rain
C. Noise pollution
D. Water pollution

Answers

Answer:

Noise pollution

Explanation:

What is accretion?
PLEASE HELPPPPP!!!

Answers

Answer:

b is the answer accretion means to add or to increase

Answer:

its b

Explanation:

i have the same test

Which energy sources could provide energy to run an electric vacuum cleaner or power the lights in a football stadium?
POSSIBLE
solar, hydroelectric, and nuclear
geothermal, wind, and biomass
neither A or B
both A and B

Answers

Answer ::

solar,wind,biomass

Vaccination and health records are not required in the child-care facility:
For infants.
For all children.
For school-age children.
In child-care homes.
in child-care centers.

Answers

Answer: for school - age children

Explanation: student vaccination and health records are not require because training requirements that are provided by national organization includes evidence of competency developed by the department of children and families.

How do was the carbon cycle most different before 1900s

Answers

Answer:

I would probably say that it was most different because of the cars. The first car was released in 1885, but they weren't really popularized in America until the 1920s. So therefore, Earth's atmosphere was much better than it is now.

what genetic information can be obtained from a Punnett square? What genetic information cannot be obtained from a Punnett square?

Answers

ANSWER.》 A Punnett square determines all of the ways in which alleles can combine. It may be used to predict ratios of offspring genotypes and phenotypes. Punnett squares cannot determine actual outcomes.

If the fatty acid palmitate (16:0) radiolabeled with 14C in C-16 were metabolized by mammalian cells under anaerobic conditions, what compounds would be tagged with 14C and in what position

Answers

The options are missing from the question,

Below are the options.

A) Tag would be CO2

B) Acetate in C-2

C) 1 uvate in C-3

D) pyruvate in C-3

E) oxaloacetate on C-1

F) palmitate in C-16

The correct answer to the question is option B

ACETATE IN C-2

If palmitate (16:0) which is a fatty acid radiolabeled with 14C in C-16, when metabolized under anaerobic conditions by mammalian cells,the compound that will be tagged with 14C will be ACETATE and the position it will be will be C-2

In an anaerobic condition, anaerobic CoA which is formed after the oxidation of fatty acid will now move into the Kreb cycle as a result of oxygen deficiency, taking the form of acetate,it will enter cytosol and will further be used for other purposes.

the rain shadow effect is caused by

Answers

A rain shadow is a patch of land that has been forced to become a desert because mountain ranges blocked all plant-growing, rainy weather. On one side of the mountain, wet weather systems drop rain and snow. On the other side of the mountain—the rain shadow side—all that precipitation is blocked.

Which of the following factors is most likely to decrease the stability of an ecosystem?
A
The removal of a species
B
An increase in plant biodiversity
C
The removal of an individual animal
D
An increase in animal biodiversity

Answers

Answer:

Explanation:

The removal of a species can reduce the food source of another species, which can cause that species to slowly die out, where other animals that consume the dying species start dying out... ect.

So it decreases the biodiversity which can mess with populations.

If the species is a herbivore, it could cause the plants that are eaten by that herbivore to get out of control in population, which can fight for sunlight and resources with other species causing ecosystem collapse.

In an ecosystem, the removal of a species can decrease the stability. Thus, option A is correct.

What are the biotic factors of an ecosystem ?

Biotic factors are the basic unit of ecosystem where the living beings interact with each other and their environment.

There are two components of an ecosystem such as biotic and abiotic components, include distribution of energy in our environment.

Biotic components can be classified into autotrophs, heterotrophs and decomposers based on mode of nutrition.

Autotrophs are producer such as plants as they produce food through the process of photosynthesis.

Heterotrophs are the consumer depend on producer for their nutrient, which is further classified into three categories.

Primary consumers are herbivores rely on producers for food while secondary consumers depend on primary consumers. They can be carnivores or omnivores.

Tertiary consumers depend on secondary consumers for food. some quaternary consumers are also seen in some food chains.

Decomposers include saprophytes such as fungi and bacteria which lie on decaying organic matter and essential for the ecosystem

Hence, option A is correct.

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how do trees prevent flooding

Answers

Answer: the trees prevent flooding by the water so when water is higher it prevents flood

Answer:

Explanation:

your basement flooded once, it can happen again. Fortunately, there’s a lot you can do to prevent a flooded basement. That’s where we come in. As a basement waterproofing company, Ohio Basement Systems offers basement flood prevention and waterproofing solutions that will ensure that your basement stays dry.

Call us today or fill out the form for your no-obligation, free inspection and estimate. We’ll provide peace of mind and customize a solution to help you solve your basement flooding problems. We offer free estimates on all our services in Cleveland, Akron, Strongsville and the nearby areas.

1. A student conducted research about the roles of molecules in metabolic processes
such as digestion. She found one experiment that revealed the following about a
certain molecule:
• The molecule can break down proteins into amino acids.
• The molecule itself can be broken down into amino acids.
• The molecule is found in high concentrations in the small intestines of humans.
The molecule is most likely-

Answers

Answer:

Enzyme- Peptidase/protease

Explanation:

According to this question, a student is conducting an experiment to determine the roles of molecules in metabolic processes such as digestion. Based on what she found out that the molecule, which itself can be broken down into amino acids, can also break down proteins into amino acids, this suggests that the molecule being described is a PROTEOLYTIC ENZYME.

This is because an enzyme is made up of proteins which can be denatured or broken down into its simplest unit (amino acids) and also, a substance that breaks down amino acid is said to be PROTEOLYTIC.

However, another observation that the molecule is found in high concentrations in the small intestine was made, hence, the enzyme is a PEPTIDASE OR PROTEASE, which are secreted into the small intestine by the pancreas to aid digestion of proteins.

A biology student looked through a microscope and observed an Elodea cell in a drop of water and illustrated it in diagram A. He added a 10% hypertonic salt solution to the slide. He then observed the cell and illustrated the change in diagram B. What caused the change in the appearance of the cell after the salt solution was added?
More water flowed into the cell than out of the cell.
More salt flowed into the cell than out of the cell.
Lass salt flowed into the cell than out of the cell.
More water flowed out of the cell than into the cell.

Answers

Answer:

There are no diagrams in this question, however, it can be answered.

More water flowed out of the cell than into the cell.

Explanation:

According to this question, a biology student added 10% hypertonic salt solution to an Elodea cell in a drop of water. The student illustrated the changes observed in diagrams A and B. Based on the principles of OSMOSIS, which is the movement of water from a region of lower solute concentration to a region of higher solute concentration, water will flow out of the cell.

Since the solution outside the Elodea cell has more solute solute/salt concentration, water will be move down the concentration gradient from the cell into the extracellular solution. Hence, more water flowed out of the cell than into the cell.

A comet is a

meteoroid that travels through Earth’s atmosphere and hits the surface.

meteoroid that burns up in Earth’s atmosphere, producing a streak of light.

small, rocky object that orbits the Sun and is usually found in a belt between the orbits of Mars and Jupiter.

small object made of ice and dust that orbits the Sun and forms a coma as it approaches the Sun.

Answers

D) small object made of ice and dust that orbits the Sun and forms a coma as it approaches the Sun.

An example of a renewable resource is

Answers

Answer:

solar energy

Explanation:

wind energy too

Different kinds of substances have different properties. Compare and contrast the electrical properties of salts, metals, and acids.

Answers

Salts do not conduct electricity while metals and acids do. , thus there are no charge carriers to carry electrical charges. ... which results in free mobile ions in solution allowing for charge conductivity.

Which is a difference between eukaryotic and prokaryotic cells? A. Nucleus, A. Cell membrane, C. Cell wall, D. Cillia

Answers

Answer:

Nucleus is a difference between eukaryotic and prokaryotic cells because nucleus is present in eukaryotes and nucleoid also called genophore / prochromosome is present in prokaryotes.

An artificial cell is with a solution of 2% protein and placed in a solution with a 8% protein concentration. Predict what would happen to the cell after a few hours.

Answers

Answer:

water would diffuse out of the cell

Explanation:

proteins can't pass through the cell membrane, water can.

Water will diffuse in the outer part of the cell after a few hours.

What is cell?

Cell is defined as the base of life as it is the structural as well as functional unit of life. Cell is made up of pre existing cells and the cell contain various cell organelles such as mitochondria, endoplasmic reticulum, ribosomes, golgi appratus, nucleus, and cytoplasm.

Basically, cell is of two type one in prokaryotic and another one is eukaryotic. The prokaryotic cell is known as pre mature cells as they do not contain cell organelles and eukaryotic cell are known as advanced and developed cells as they contain several cell organelles.

The unicellular animals are made up of single cell and all the functions carried out in a single cell like amoeba and multicellular organisms are made up of multiple cells and there is specific cell for specific functions.The prokaryotic cell is known as pre mature cells as they do not contain cell organelles and eukaryotic cell are known as advanced and developed cells as they contain several cell organelles.

Therefore,Water will diffuse in the outer part of the cell after a few hours.

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Which of the following elements is required for growth and development and is in our DNA? *
hydrogen
carbon
oxygen
nitrogen
phosphorus

Answers

Answer:

Nitrogen

Explanation:

Nitrogen is the most abundant element in our atmosphere and 7th most abundant in the universe. It is vital in the formation of nitrogenous bases which are the key bonds that form nucleic acids such RNA and DNA.

A student is given a small amount of unknown tan-colored liquid substance. This unknown liquid is placed into a glass of water and mixed. Despite mixing, the tan liquid remains separated from the water and collects as a large droplet at the top. Which of the macromolecule groups is this liquid MOST likely to be a member of?
A.
proteins
B.
carbohydrates
C.
nucleic acids
D.
lipids

Answers

Analysis of mitochondrial DNA can answer interesting and important questions. For which of the questions would analyzing mitochondrial DNA be futile?

Answers

Answer:

to identify the father of the individual

Explanation:

Mitochondrial DNA (mtDNA) is the circular DNA molecule found in mitochondria, which is an organelle responsible for cell respiration by converting chemical energy from foods to ATP by the process of cellular respiration. In humans, mtDNA consists of about 16,500 base pairs (bp) and encodes for 22 tRNAs, 2 rRNAs and 13 proteins. In most of the species, including humans, mtDNA is inherited from the mother (i.e., it is maternally inherited), and therefore mtDNA cannot be used to trace the patrilineal ancestry of a given person or population.

Which cells contain the most catalase: liver, apple, or potato?

Answers

Answer: I think it's the potato

Explanation:

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