Which of the following cell organelles is thought to have once lived as a free-living
cell with it's own DNA?
Cell membrane
Mitochondria
Viruses
Ribosomes

Answers

Answer 1

Answer:

Ribosomes here is your answer


Related Questions

In which phase of mitosis do spindle microtubules shorten?.

Answers

More specifically, in the first part of anaphase — sometimes called anaphase A — the kinetochore microtubules shorten and draw the chromosomes toward the spindle poles.

do all cells have ribosomes?​

Answers

Answer:

yes all coll have ribosomes

Answer:

yes

Explanation:

yes....................... please rate

which country have triangle shape flag?
1india
2america
3nepal
4brazil
5bhutan​

Answers

Answer:

Nepal

Explanation:

Answer:

The flag of Nepal consists of two triangles. It's a beautiful country and a beautiful flag! I'll attach a photo below so you can see what it looks like.

What can happen to a protein when changes happen is the sequence of bases that make up a gene

Answers

Explanation:

A missense mutation is when the change of a single base pair causes the substitution of a different amino acid in the resulting protein. This amino acid substitution may have no effect, or it may render the protein nonfunctional.

WILL MARK BRAINLIST IF CORRECT PLEASE ANSWER FAST!!!!! _______________ has lots of nutrients but does NOT allow water or air to pass through

Answers

Answer:

Carbohydrates

Explanation:

Is not correct

Which statement is true according to Dalton’s theory?
a.
Atoms of different elements can join to form larger atoms.
b.
Atoms can be subdivided into smaller particles.
c.
Atoms of the same element differ in electric charge.
d.
Atoms of the same element are exactly alike.

Answers

Answer:

d

Explanation:

What do you think a biotic factor is within an ecosystem?.

Answers

A biotic factor is a living thing in an ecosystem, this includes animals.

A double-blind, randomized study is being used to test the effectiveness of a new drug that targets the multi-drug resistant bacterium Clostridium difficile. Infected participants in the study were given either a placebo or the test drug and then monitored for one month for clearance of infection. This type of study can best be characterized as a(n)_________________.
A. observational study
B. cross-sectional study
C. Correlation study
D. experimental study

Answers

the answer is c. correlation study

how do you count on a graduated cylinder​

Answers

Answer:

least count is the minimum value you can measure with the specific device or it is smallest printed increment least count of smallest graduated cylinders is 25 ml.... to calculate least count of graduated cylinder you have to divide 100 by in the case of small graduated cylinder. to find L.C you have to divide main

Identify two different mineral nutrients present in the fertilizer that helped the plant recover. Then, describe how each nutrient benefits the plant.

Answers

Answer:

magnesium

nitrate

Explanation:

magnesium

making chlorophyll

deficiency

goes yellow

nitrate

making new cells in an plant

making chlorophyll

deficiency

stunted growth

goes yellow

Answer:They are carbon, hydrogen, nitrogen, oxygen, phosphorus, and potassium. Secondary nutrients are those usually needed in moderate amounts compared to the primary essential nutrients. The secondary nutrients are calcium, magnesium, and sulfur.

Explanation:....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

When a solution is mixed, the following observations were made:

I. The mass of the solution remained the same.

II. Phase changes were observed.

III. The color of the solution remained clear.

IV. The temperature of the solution increased.

Which observation is a sign that a chemical change has occurred?

Answers

Answer:

IV. the temperature of the solution increased

Explanation:

all chemical change is either exothermic or endothrrmic, temperature is a sign of an exothermic reaction (pretty sure)

If a somatic cell replicated via mitosis every 3 days, how many somatic cells would you have in 30 days?

Answers

Answer:10

Explanation:

Please Help Me!!!!!

Which of the following organism(s) has/have peritrichous flagella?
A.)E. coli
B.)Paramecium
C.)All bacteria
D.)Euglena

Answers

Answer:

E.coli

Explanation:

Peritrichous bacteria possess multiple flagella that can grow from essentially any point on the cell body surface. Well-studied examples include Escherichia coli (E. coli, Fig. 1A), Bacillus subtilis and Salmonella enterica.

Hope this helps!

How could disease-causing bacteria get inside a cell without damaging the cell membrane?
(Subject is science just cant find science on the subjects list)

Answers

Through the process of phagocytosis

Answer:through the process of Executive

Explanation:

Most of earth's atoms came from...
A.An exploding massive star
B.Other planets that have been destroyed
C.The ground and sky

Answers

Answer:

I believe it's C

Explanation:

During formation of atp by atp synthase, rotation of the ______ causes a conformational change in the ______, which has the enzymatic activity.

Answers

Answer:

F0 complex and stalk

F1 complex

Explanation:

Which statement about plasma membranes is correct? (1 point)
O Animal cells have cell membranes instead of plasma membranes,
O Both plant cells and animal cells have flexible plasma membranes.
O Plant cells have cell walls instead of plasma membranes.
O Plant cells have rigid plasma membranes.

Answers

The statement that is true about plasma membrane is that Animal cells have cell membranes instead of plasma membranes.

What is plasma membrane?

The plasma membrane is the membrane found in all cells separate inside of the cell from outside environment. In bacterial and plant cells, a cell wall is attached to the plasma membrane from the outside surface .The plasma membrane consists of a lipid bilayer that is semipermeable. The plasma membrane help to transport of materials inside and outside the cell.

Therefore, plasma membrane is the membrane in cells that separate the outside from the inside of the cell.

Learn more about plasma membrane below.

https://brainly.com/question/1873225

Which region is most likely to have the highest population in the state?.

Answers

Answer:

south-central Asia

Explanation:

Globally, the population density per square kilometer stands at about 58.7 inhabitants, and south central Asia is the most densely populated region in the world. The global population is increasing rapidly, so population density is only expected to increase as well.

Heather mixes two white liquids together. Immediately, a gray liquid forms.
How is the gray liquid related to the white liquids?

Answers

I think it’s gonna be b or c

The formation of new organisms is called

Answers

Answer:Reproduction is the biological process by which new individual organisms produce.

Explain how considerations for human health help drive environmental policy decisions.

Answers

Answer:

Humans impact the environment, which can, in turn, have an effect on human health. Pollution is caused by human activity, and it also affects human health. Air pollution can cause respiratory problems and water pollution can lead to digestive problems. As human health is affected by these issues, concern increases and policies are enacted that address the causes of the issues. These policies do benefit the environment, but are, in part, brought about by concerns over human health.

Explanation:

Answer:

Humans impact the environment, which can, in turn, have an effect on human health. Pollution is caused by human activity, and it also affects human health. Air pollution can cause respiratory problems and water pollution can lead to digestive problems. As human health is affected by these issues, concern increases and policies are enacted that address the causes of the issues. These policies do benefit the environment, but are, in part, brought about by concerns over human health.

Explanation:

list three important of photosynthesis​

Answers

Photosynthesis is importance :-

1)it is the number one source of oxygen in the atmosphere. ...

2)Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere:

3)It is their primary source of energy

An organism that feeds only on plants is known as a herbivore. What is another Hm term for an organism that feeds only on plants?

A. produceer
B. primary consumer
C. secondary consumer​

Answers

Answer:

Primary Consumer

Which system absorbs and carries food from the digestive system to the rest of the
body?

A- Nervoud system
B- Muscular system
C- Circulatory system
D- Respiratory system

Answers

Answer:

C- Circulatory system

Explanation:

The small intestine absorbs most of the nutrients in your food, and your circulatory system passes them on to other parts of your body to store or use. Special cells help absorbed nutrients cross the intestinal lining into your bloodstream.

Hope this helps!

How many tall plants with violet flowers were expected?.

Answers

I believe 90 of them were?

only answer if you know the right answer please​

Answers

Answer:

Z

Explanation:

Z is the area, while X isn't.

When dose energy transfer from the land to the air?

Answers

Answer:

Energy transfer in the atmosphere, ocean, and Earth's interior occurs as a result of three basic processes: convection, conduction, and radiation.

Explanation:

-. Does secondary succession occur with or without soil?
I

Answers

Answer: I think with

Explanation:

If, under resting conditions, the membrane is much more permeable to sodium than potassium, what would happen to the resting membrane potential

Answers

Answer:

the resting membrane potential would stay at the equilibrium potential.

Explanation:

You are studying the amino acid sequence of a protein shared by four organisms. You want to know how 4 organisms are related to each other. You have data that shows the number of amino acid differences between organism A and each of the other organisms. Study the data in the chart and use it to answer the question. Which organism is least related to Organism A? Question 5 options: Organism B Organism C Organism D All of the above.

Answers

The least related to organism A is Organism D.

What is amino acid?

Amino acid is an organic compound made up of amine, carboxylic group and an organic R group.

Amino acids are the primary building block of proteins.

There are 20 types of amino acids are present.

Amino acids are necessary for the growth of the body.

Thus, the correct option is organism D.

Learn more about amino acid

https://brainly.com/question/15823799

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