16.Which is NOT found as a part of all cells? Select one : O A. Cell membrane O B. Cell wall O C. Ribosomes O D. DNA

Answers

Answer 1

Answer:

b

Explanation:

only plants have cell walls

Answer 2

Answer:

B. Cell wall

Explanation:

A simple explanation is that plant cells have a cell wall while animal cells don't


Related Questions

A scientist compares to samples of white powder. One powder was present at the beginning of the experiment. The other Potter was present at the end. She wants to determine whether a chemical reaction has occurred. She finds that neither sample bubbles or dissolves in water. She measures the mass of volume of the solids. Sample one has a volume of 45 cm to the third power And a mass of .5 g. Sample two has a volume of 65 cm to the third and a mass of 1.3 g. What should the scientist conclude?

Answers

Based on the given information, the scientist can conclude that a physical change has occurred rather than a chemical reaction.

The scientist can make this conclusion because the samples did not show any signs of bubbling or dissolving in water, which are common indications of a chemical reaction.

Additionally, the measurement of the mass and volume of the samples shows that there has been a change in both properties. Sample two has a greater volume and mass compared to sample one, indicating that some physical transformation has taken place.

However, without further information or analysis, it is not possible to determine the exact nature of the physical change or identify the substances involved.

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All of the following are functions structures of tRNA except (HD-LS3-2)

A.Carries a single type of Amino acids

B.Contains the anticodon

C.There are free in the cytoplasm of the cell

D.they help in the transcription of proteins

Answers

Answer:

AND

Explanation:

D. They help in the transcription of proteins.

tRNA (transfer RNA) is a type of RNA molecule that functions in the process of protein synthesis (translation) by carrying a specific amino acid to the ribosome, where it will be added to the growing polypeptide chain. tRNA molecules contain an anticodon, which is a sequence of three nucleotides that recognizes and pairs with a complementary codon in the messenger RNA (mRNA) molecule during translation. tRNAs do not play a direct role in the transcription of DNA to mRNA, which is the first step in the synthesis of a protein.

The stems of the seedlings in the photo are bent toward
the window
Which sentence best explains how this benefits the seedlings?
O A. It causes the plants' roots to grow toward water.
OB. It helps the plants maximize the water they receive from above.
O C. It helps the plants maximize the energy they receive from the Sun
OD. It causes the plants roots to grow downward.

The stems of the seedlings in the photo are bent towardthe windowWhich sentence best explains how this

Answers

Answer: whoever said C is wrong, its B,

Explanation: it helps the plants maximize the water they receive from above.

EDIT: I made a mistake, this is a different question

The sentence that best explains how this benefits the seedlings is as follows:

It helps the plants maximize the energy they receive from the Sun.

Thus, the correct option is C.

What is Seedling?

A Seedling may be defined as a young sporophyte that develops from seed not from any other source like cutting.

The stem of the seedlings always moves towards the direction of sunlight. This activity maximizes the amount of energy by receiving the sunlight for the process of photosynthesis.

Therefore, the correct option for this question is C.

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What happens at subduction zones? A. sediment is deposited by ocean waves B.new land is formed from eroded soil C.an oceanic plate sinks below a continental plate D.two crustal plates move away from one another​

Answers

Answer:A

Explanation:

Just had it

Answer:

a

Explanation:

What are two ways moisture in the atmosphere is measured?

Answers

Answer: With Dew Point, and Relative Humidity

Explanation:

They both use them to find out the humidity (moisture in the atmosphere is measured.)

Why is "dysfunction of the brain" so hard to wrap your head around? How is it different
from, say "dysfunction of the pancreas"?

Answers

Answer: I would say it's because there is so much about the brain that we don't know about yet, it's harder for us to understand certain illnesses and dysfunctions because of the sheer complexity of the organ and the role it plays in our own existence. It's easier to understand an organ such as the pancreas because while both fragile and complex, it is not nearly as mysterious as the human brain and doesn't have even nearly the same range of function.

Explanation:

   

A testcross of AaBb gives 10% aaBb progeny. What percentage of the progeny will be Ab/ab or ab/ab if the same plant is self-fertilized

Answers

Answer: Ab/ab (or Aabb) = 12.5%

aabb (or ab/ab) = 0.625%

Explanation:

Due to some error on the page, the answer to this question has been attached in a file.

Definition for ion science.

Answers

Explanation:

An ion is defined as an atom or molecule that has gained or lost one or more of its valence electrons, giving it a net positive or negative electrical charge.

Which of the following processes produces 38ATP of energy per
Glucose?

Answers

Answer:

glycolysis is the process produce 38ATP of energy per glucose

NEED HELP ASAP PLS !!

Deforestation is the cutting down of forests to use as building materials or to clear the land for urban development or farming. Scientists worry that deforestation is one of the leading causes of increased COz in the atmosphere, potentially accelerating global climate change. Which of the following is a valid reason that CO, in the atmosphere would increase due to deforestation?

A)The rate of photosynthesis woud decrease.

B)The rate of decomposition would increase.

C)The rate of combustion would decrease.

D)The rate of cellular respiration would increase.

NEED HELP ASAP PLS !!Deforestation is the cutting down of forests to use as building materials or to

Answers

Answer: (A

Explanation:

Photosynthesis takes C02 out of the air, meaning that less trees = less photosynthesis = more C02

How does exhaling remove waste from the body? Explain the systems that make this happen, using complete sentences.

Answers

Exhaling removes waste from the body by expelling carbon dioxide through the respiratory system.

Exhaling plays a crucial role in removing waste from the body, particularly in the form of carbon dioxide (CO2), a byproduct of cellular respiration. The respiratory system, composed of the lungs and airways, is primarily responsible for this process.During inhalation, air containing oxygen is drawn into the lungs through the nose or mouth. Oxygen then diffuses across the lung tissue into the bloodstream, where it binds to hemoglobin and is transported to cells throughout the body. In the cells, oxygen is utilized in metabolic processes, generating energy and producing CO2 as a waste product.When we exhale, the diaphragm and intercostal muscles relax, causing the volume of the chest cavity to decrease. This action increases the pressure within the lungs, and air rich in CO2 is expelled from the body through the airways. The CO2 is removed from the bloodstream and eliminated from the body, reducing the waste buildup.Overall, the respiratory system's main function is to facilitate the exchange of gases, allowing oxygen to enter the body and carbon dioxide to be eliminated. Exhalation plays a vital role in removing waste by expelling CO2 and maintaining a balanced gas composition within the body.

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How would I write my name in binomial nomenclature?

Answers

Answer:

For example, binomial name for Mango is Mangifera Indica where 'Mangifera' denotes generic name ( genus ) and 'indica' represents specific epithet ( species ).

Explanation:

The binomial name consists of a genus name and specific epithet. The scientific names of species are italicized. The genus name is always capitalized and is written first; the specific epithet follows the genus name and is not capitalized. There is no exception to this.

Which means that a female produces an egg that retains inside the her until it hatches?A) OviparousB) OvoviviparousC) ViviparousD) Self incubation

Answers

Traditionally, there are three modes of reproduction:

• Oviparity,, where the embryos develop in an egg outside the parent. For example, chickens.

,

• Viviparity,, where the younglings develop inside the body of the parent, are supported by them, and are born live. For example, humans.

,

• Ovoviviparity,, where the embryos develop inside the parent but without depending on them, usually means the ,production of an egg that is retained until it hatches., For example, white sharks.

This means B is the correct answer

Please help me, I need to finish soon

Please help me, I need to finish soon

Answers

Answer:

1. Genes

2. Both (If possible)

3. Genes

4. Proteins

Explanation:

Answer:

1 genes

2 protein

3 proteins

4enes

7.
What is a community?
populations that live and interact in the same area
10096
individuals of the same species that live in different areas
to
individuals of the same species that live in the same area
90%
populations that live in similar environments around the world

Answers

Answer:

individuals of the same species that live in the same area

how is the top layer of the ocean different from the deepest layer

Answers

Answer:

It gets colder and denser as you go deeper

Explanation:

Answer:

There is way less warmth, and sunlight, And way more pressure.

Explanation:

Concerned about the erosion of the sand dunes on the local beaches, the nearby community decides to take action. What would be the best thing to do to decrease beach erosion?​

Answers

In beach erosion, stabilizing dunes involves several activities. Wood sand gardens help preserve the sand and other materials needed for a healthy sand dune ecosystem.

What do you mean by beach erosion?

Coastal erosion is the process by which local sea level rise, strong waves and coastal flooding erode or carry away rocks, soil and/or sand along the coast.

Coasts are constantly changing due to  waves, currents and tides. Landslides and rock retreat are part of the natural  coastal erosion process. Waves that hit rocks often cause landslides. Lake Erie, Ohio is a great example.

Beaches can be damaged by strong storms or rising sea levels, but human activities such as coastal construction or the construction of navigation channels and inlets have worsened the problem and changed the natural flow of water and sand.

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SCIENCE HOMEWORK ON SPACE!! I WILL GIVE BRAINLYEST​

SCIENCE HOMEWORK ON SPACE!! I WILL GIVE BRAINLYEST

Answers

You will have to weigh less on this planet MERCURY

You would also weigh less on the planet venus

Why you would have tp weigh less

The reason your weight would reduce on the planets is because the conversation rates that you would add to your weight are both less than 11

For instance while in Mercury, if you weigh 56 kg on earth

in mercury you would weigh 56 * 0.378

= 21.168 kg

While in Venus, the conversion rate is 0.905, then you would weigh 56 * 0.905

= 50.68

This would reduce no matter what your real weight is. Hence you can try this conversion on your weight. Either in lb or kg

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what would most likely result if the four stages of mitosis were not followed by cytokinesis?

Answers

Answer:

Explanation:

If cytokinesis did not occur, the cell cytoplasm will not be able to undergo division or divide. As a result, there won't be division of two daughter cells that are identical to the parent. Therefore, it will remain at rest and there won't be separation or division of the parent cell. The cell will still remain as it was. Therefore, there won't be cell division.

Which process in the cell cycle could lead to a cancerous cell?

Answers

Answer:

Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor

Explanation:

Below is a mature eukaryotic mRNA transcript. Translate this mRNA into a protein, also showing the tRNA anticodons involved. Make sure you start and end translation in the right place! Label the ends of the polypeptide chain as N and C terminus.
mRNA: 5'GMUUACAUGCGGCUCAGUUGAGGCGAAAAAA 3'
tRNA:
amino acids:

Answers

Answer:

mRNA ⇒ 5'GMU  UAC  AUG  CGG  CUC  AGU  UGA  GGC  GAA  AAA  A 3'

tRNA ⇒                           UAC  GCC  GAG  UCA  ACU

protein ⇒ N - MET   ARG   LEU   SER   Stop - C

Explanation:

In protein synthesis, the ribosome reads mRNA in the 5´ to 3´ direction, and, according to the codons that are being readen, tRNA transfers the correct amino acids to build the polypeptide chain. A codon is a short sequence of three nucleotides that store the genetic information for the aminoacids´ assembly. Each tRNA has two important sites. One of them that couples with the codon of the mRNA molecule, named anticodon. The other site couples with an amino acid. tRNA allows amino acids to align according to the nucleotidic sequence in the mRNA molecule.  

Once the new amino acid links to the growing peptidic chain, the binding between the amino acid and the tRNA molecule breaks. The tRNA is now free to join another amino acid and repeat the cycle.  

The protein is synthesized from the amino terminus to the carboxy terminus, while the added amino acids to the chain are coded by a codon formed by three bases in the mRNA. mARNs also have a start and end codon that are the signals of the synthesis initiation and finish. When the ribosome reaches the end codon, protein synthesis is over.    

Each of the codons represents one of the 20 amino acids used to build the protein. Each amino acid can be codified by more than one codon. From the total 64 codons, 61 codify amino acids, and one of them is a start codon. The left three codons are stopping translation points.

The codons indicating the initiation or stop points during the translation process are:

• The start codon AUG is the most common sequence used by eukaryotic cells and places near the 5´extreme of the molecule.  

• The end codons are UAA, UAG, UGA.

Protein synthesis initiates in the AUG start codon -Metionin-, and ends when reaching either of the stop codons UAA, UAG, UGA.

In the exposed example we have the following mRNA.

mRNA ⇒ 5'GMU  UAC  AUG  CGG  CUC  AGU  UGA  GGC  GAA  AAA  A 3'

Codons are separated by a space left between them. AUG is the start codon placed near the 5´ extreme. UGA is the end codon near the 3´ extreme. tRNA will add amino acids from the start codon, not before.

tRNA ⇒ UAC  GCC  GAG  UCA  ACU

Anticodons are separated by a space left between them.

protein ⇒ N - MET   ARG   LEU   SER   Stop - C

Each mRNA codon codifies for an amino acid. The start codon codifies for methionine. AUG = Met, CGG = Arg, CUC = Leu, AGU = Ser, UGA = Stop codon. The amino terminus is represented as an N and the carboxy terminus is a C. The first extreme to be translated carries the amino-terminal group, while the other extreme carries the carboxy-terminus group.

The lower chambers of the heart are the

septum
ventricles
atrium
pacemakers

Answers

Answer:

The correct answer is - ventricles

Explanation:

A normal human heart has four chambers, two upper and two lower chambers. The upper chambers, known as the right atria and left atria that get incoming blood into the heart.

The lower chambers knowns as right ventricles and left ventricles that push the blood out of your heart to the rest of the body. Ventricles receive the blood from the atrium and pump or expel the blood to the rest of the body.

Thus, the correct answer is - ventricles.

Four general rules for cross contant prevention are?​

Answers

Foods in plastic bags
separate when going to check out
separate from meats
wash fruits and meats

what would happen if we could breath solids

Answers

Answer:

it may leads to exothermic process in your body and we can die

Answer: We would die

Explanation:

Which of the following organs are part of the
digestive system? Select any/all that apply!
Salivary glands
Kidneys
Spleen
Esophagus
Urethra
Urinary bladder
Pancreas
Trachea
Gallbladder
Liver

Answers

Answer:

esophagus, pancreas, liver, gallblader, salivary glands

Explanation:

Answer:

esophagus, pancreas, liver, gallblader, salivary glands

Explanation:

The table shows the chromosome numbers for four different organisms..
Organism Chromosome number
Chicken
Gypsy moth
Human
Strawberry
D Chicken
Which organism can produce the highest number of genetically varied
gametes as a result of independent assortment?
OA. Gypsy moth
OB. Strawberry
OC. Human
78
62
46
56

Answers

The number of Nucleotide sequences or chromosomes during various cell cycle stages can be easily counted. Rule of thumb: Count the number of operational centromeres to get the number of chromosomes.

What exactly is an organism?

A living creature with a well-organized structure, the capacity to respond to stimuli, procreate, grow, adapt, and keep homeostasis. Etymology: Organon, which means "instrument" in Greek, is where the word organism gets its name. Synonyms include live thing, living being, and life form.

What are living things, exactly?

A living organism is anything that contains cells as its fundamental unit of organization and has the ability to sustain life. A few examples of living things are people, fungi, vegetation, trees, animals, microbes, protozoa, and insects.

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Computer simulations are __________ ?
1) Dry lab
2) In-silico
3) In-vitro
4) Wet lab

Answers

Answer:

2) In-silico

Explanation:

Hope it helps!

Which term matches this definition?
a disk that forms in plant cells as the cell
wall is forming during cellular reproduction
A. cell membrane
B. cell plate
C. centriole
D. chloroplast

Answers

A disk that forms in plant cells as the cell wall is forming during cellular reproduction is cell membrane. Thus, option A  is correct.

What is cellular reproduction?

Cellular reproduction is the process in which cells replicate their contents and then break down to multiple cells with similar contents.

The process by which cells break into similar or identical copies is called mitosis. To achieve this, the cell must first develop a second copy of all the DNA.

When sex cells, the sperm and the egg, are involved, cell division is taken to another level. This process is called meiosis.

Therefore, option A is correct as a disc that forms in plant cells as the cell wall is forming during cellular reproduction is cell membrane.

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which of these best describes what science is? A.a body of knowledge B.a way of doing experiments c. a way of looking at and thinking about the natural world D. a series of ideas​

Answers

Answer:

A. It's the pursuit and application of knowledge and understanding of both the natural and social world.

A barista is asked to make a customer an iced tea. They pour a cup of cold
water, add ice cubes and a teabag. Fifteen minutes later the brew is not yet
ready, and the customer is getting annoyed. They fetch their boss who tells
them that iced tea is made by adding the teabag to hot water first and then
cooling it down. Why is this?

Answers

One must use hot water because the temperature allows to extract the flavour in a more efficient way.

Why we must use hot water?

The process of making iced tea by adding the teabag to hot water first and then cooling it down is a common practice for several reasons:

Extraction of Flavor: Hot water helps to extract the flavor compounds from the tea leaves more efficiently. When tea is steeped in hot water, the heat causes the compounds responsible for flavor and aroma to dissolve into the water more readily, resulting in a stronger and more flavorful brew.

Infusion of Tea Leaves: The hot water allows the tea leaves to fully infuse and release their flavors, oils, and other components into the water. This process contributes to a more robust and well-rounded taste profile.

Dilution and Consistency: When iced tea is made with hot water first, it is usually brewed to be slightly stronger than desired. This is because the ice added later will dilute the brew to the desired strength. By initially brewing the tea with hot water, the dilution caused by adding ice cubes ensures that the final drink is not weak or watery.

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