The lab setup shows four test tubes. Tube 1 contains water only. Tube 2 contains a live snail. Tube 3 contains a live green water plant. Tube 4 contains both a live green water plant and a live snail.

In this setup, which tubes contain at least one organism carrying on cellular respiration?
A) Tubes 1 and 2 only.
B) Tubes 2 and 4 only.
C) Tubes 3 and 4 only.
D) Tubes 2, 3, and 4 only.

Answers

Answer 1

Answer:

I would assume D

Explanation:

Tube 1 doesn't contain an organism so it can't be that one. Both a snail and a plant are considered an organism, and cellular respiration occurs in almost any organism's cells

Answer 2

Answer: D) tubes 2, 3, and 4, only

Explanation:

I got this question on a test and got it right:)

Related Questions

What are bulging of eyeballs?

Answers

Answer:

bulging nose

Explanation:

Which of the following is not a character of life?

Group of answer choices

pass on genetic material

blood flow

breath

Growth

maintain homeostasis

metabolize

use energy

Development

think

Made up of Cells

respond

reproduce

evolve

Answers

Answer:

blood flow and breathe i think

Explanation:

they wouldnt apply to plants, they are living just like animals

I NEED HELP ASAP! (Picture is attacted) You Dha Real One IF YOU DO!

Answers

I think your answer is C

3. How does ATP provide energy to your body?

Answers

Answer:

ATP(or Adenosine Triphosphate) provides energy to your body because it is a chemical that takes energy from the food you eat and turns it into energy your body can absorb. So because of this, it is considered a source of energy.

Explain and describe complex inheritance.

Answers

Answer:

Complex Inheritance: (inherited) traits that have a genetic component that does not follow strict Mendelian inheritance. May involve the interaction of two or more genes or gene-environment interactions. ( HGPIA)

Explanation:

What is the difference between poison and medicine? How can we use science to figure out the difference.
Will mark u brainliest.

Answers

Answer:

not sure how to go about this question so if I'm wrong please tell me

Explanation:

The difference between poison and medicine is that poison is used to harm to one's health whether its an animal or human while medicine is used to cure an illness or an injury. We can use science to figure out the difference by testing the substance on an animal or stem cells of a human scientists do this various times to be assured of its outcome.

compare the characteristic features of animals and plants

Answers

plants and animals are both living

some plants make there own food while animals have can not make there own food

is a group of cells that have the same function.

Answers

Answer:

Tissue

Explanation:

Answer:

tissue

Explanation:

Someone please help me

Answers

Answer:

Option B: Molecule 2

Explanation:

'Equilibrium of a molecule inside and outside a cell' means that there are similar numbers of that molecule on the inside and the outside. (hence 'equilibrium')

The number of each molecule is as follows:

Molecule 1 - Inside: 3, Outside: 5

Molecule 2 - Inside: 2, Outside: 3

Molecule 3 - Inside: 1, Outside: 5

Molecule 4 - Inside: 7, Outside: 4

Therefore the correct option is option b. 2

This is because the number of molecules inside the cell and outside the cell are the closest together, most similar out of all the molecules.

Hope this helped!

2. Neutrons have a positive charge.
A. true
B. false

Answers

Answer:

False

Explanation:

Nuetrons have a neutral charge. They aren't positive like protons. They aren't negative like electrons.

An electromagnet is
O
A)a permanent magnet
B)made with bar magnets
C)attracts all metal substances
D)only operating when the current is on

Answers

Answer:

I think it's C

Explanation: I hoped this helped

Give an example of a hypothesis not mentioned.

Answers

an observation is when you have a material in front of you and you are reviewing the info a hypothesis is before you really know anything about this subject and you were making kind of like predictions i hope this helps

1. Law is something that has been proven through experimentation. theory is a hypothesis that is supported by laws (facts.)

2. An Observation is info that you log through your senses. A hypothesis is what you predict will happen based on your Observations.

3. Examples not given.

Erwin Chargaff is considered one of the pioneering scientists in the field of molecular biology. In one of his studies, Chargaff observed that a sample of human DNA contained approximately 30% adenine (A). Based on DNA structure, what are the expected percentages of the other nitrogenous bases in the sample?

Answers

10% thymine, 40% cytosine

20% thymine, 30% cytosine

30% thymine, 20% cytosine

40% thymine, 10% cytosine#

Answer:

30% thymine, 20% cytosine

Explanation:

In a typical DNA double helix pyrimidine; Cytosine and thymine always pair with Purine ;Adenine and Guanine. This pairing ensure that the double helix of DNA is maintained by the presence of Hydrogen between these organic bases.

For correct pairing all adenine must pair with thymine,and all Cytosine with guanine.Therefore for this to occur if 30 % of adenine is present,the composition and number of thymine(30%) must be available.If this percentage is not available the pairing will not occur.

Like wise 20% Cytosine must be present because ,then same amount of Guanine molecule 20% in the DNA molecule. must be present Thus Guanine percentage is 20%.

This give a total of 100(60+40)

This based on the Erwin Chargaff stoichiometric ratio of 1:1 .This states that the percentage of adenine =thymine,and that of Guanine=Cytosine,in the DNA of living cells should be equal. Thus; [A]+[G]=[C]+[T]=1:1

How
many steps are
there in cellular respiration?

Answers

The reactions of cellular respiration can be grouped into three stages: glycolysis, the Krebs cycle and electron transport

Answer:

Explanation:

Describe the resulting cells of meiosis

Answers

Answer:

Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell.

Explanation:

Hope ths helps u

Crown me as brainliest:).

somebody gonna be the brainiest hehe

Answers

Answer:

cells

tissues

organs

organ systems

organisms

two martians, betty and ben want to have a child. they both have one eye but are hoping to have a three eyed baby. is this possible?

Answers

Answer:Yes

Explanation:

Only if someone down their bloodline has had 3 eyes. It would be possible, but highly unlikely.

Refer to the illustration below. The photosynthetic algae are:

Please anybody!

Answers

Answer:

Producers

Explanation:

Photosynthetic organisms are producers.

The illustration for the photosynthetic Aleta’s is

In a phospholipid, the ionic head is _____ and the lipid tail is ______

Answers

hydrophilic; hydrophobic

if someone can answer it without saying idk by november 2nd 2020 will be marked the brainliest! how does the nervous system work with the digestive system to make jump roping possible??please answer asap

Answers

The autonomic nervous system controls the tone of the digestive tract. The brain controls drinking and feeding behavior. The brain controls muscles for eating and elimination. The digestive system sends sensory information to the brain.

100 POINTS!!!!!!!!!!! ( I NEED FAST ANSWERS ) Why do we use uranium for nuclear energy?

Answers

Answer:

Uranium is the fuel most widely used by nuclear plants for nuclear fission. ... Nuclear power plants use a certain kind of uranium, referred to as U-235, for fuel because its atoms are easily split apart. Although uranium is about 100 times more common than silver, U-235 is relatively rare.

Explanation:

i looked it up

Answer:

In a nuclear reactor the uranium fuel is assembled in such a way that a controlled fission chain reaction can be achieved. The heat created by splitting the U-235 atoms is then used to make steam which spins a turbine to drive a generator, producing electricity.

Explanation:

I pretty much covered it in the answer!

Pls Brainliest! It would mean a lot! ;)

Based on the phylogenetic tree, which of the following statements is true.

see the following image.

a. Species A was probably much larger than any of the other organisms
b. Species G is extinct
c. Species C is the most recent ancestor of species B and D
d. Species F and G are more closely related than Species B and E

Answers

Answer:

Explanation:

Answer:

CORRECT (SELECTED)

Species F and G are more closely related than species B and E.

Explanation:

Species F and G share a more recent common ancestor than species B and

Which statement describes an advantage of models?
O Models can be used to communicate and test designs ideas.
Models always show the exact size of a system.
Models have the ability to develop into complex systems.
Models are useful for developing scientific methods.

Answers

I believe it should be the first option

what is the relationship between heart rate & respiratory rate (impact on oxygen, carbon dioxide & energy levels)

Answers

USE SOCRACTIC IT WOULD REALLY HELP WITH QUESTIONS LIKE THIS !!

from which population do you believe they may have originated

Answers

Answer:

The Eukaryotic Bacterial population

Explanation:

All life springs from this one magnificent cell, if there is a picture/diagram please meake sure to show it

the cells of most prokaryotic cells have a what?

Answers

Answer:

hello Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.

When two molecules are put in the same container they do not attract each other. Why does this happen?

a.they are both polar
b. they both contain oxygen
c. one is polar one is nonpolar
d. they contain different elements

Answers

D just took the test , yesterday

Answer:

The correct answer is C.

C. One is polar one is nonpolar

Explanation:

A fish is swimming around the 720-meter perimeter of her pond. If she swims 10 laps in 120 minutes, what is her average speed in m/min?

Answers

Answer:

The average speed of the fish is:

60 m/min

Explanation:

You must take into account that the fish swims 10 laps, so you must multiply the perimeter by 10 to obtain the total meters swam:

720 m * 10 = 7200 meters.

Now, you just must divide the total meters swam by the number of minutes that the fish took to do this, so:

7200 m / 120 min = 60 m/min

Remember, ever you do an exercise like this, you must check the units, I mean, the units that the exercise wants to be the same you use, in this case, the average speed of the fish is 60 m/min.

List the three structures a plant cell has that an animal cell does not have.

Answers

Answer:

Plants have: Chloroplasts, cell walls and Plastids

Explanation:

Chloroplasts and Plastids help perform photosynthesis and the cell wall is stronger a outer wall that contains also a membrane where as animal cells go they only have Cell membranes

What principle can be applied to all chemical reactions?

A) conservation of mass
B) reactants formed from products
C) energy loss theory
D) coefficient principle

Answers

A. Conservation of mass

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