Why do you think prokaryotic cells do not have all the organelles that eukaryotic cells do? What does this tell you about prokaryotic cells?

Answers

Answer 1

Answer:

Explanation:

A prokaryotic cell is a type of cell that does not have a true nucleus or membrane-bound organelles. Organisms within the domains Bacteria and Archaea are based on the prokaryotic cell, while all other forms of life are eukaryotic

Answer 2

A prokaryotic is a primitive cell that lacks organelles, unlike the eukaryotic cells, and are simple organisms.

What are prokaryotes?

Prokaryotes are organisms that are simple and evolved before the complex eukaryote. They include bacteria and archaea that are simple and lack organelles that are found in eukaryotes.

They do not have a nucleus and rather have their genetic material disposed of as nucleoids in the center of the cell that undergoes the simple process of the central dogma.

The simple cellular processes and reproductive methods are the reason they lack many organelles. This tells that prokaryotes are simple and primitive types of cells.

Therefore, prokaryotes lack a distinct nucleus.

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Related Questions

Which process do seeds undergo under favorable conditions?
elogation
fertilization
pollination
germination

Answers

Answer is Pollination

Answer:The answer is Germination

Explanation: I took the test

Which statement describes the motion of the water molecules in this situation

Answers

Answer:

im confused, what am i supposed to solve?

Explanation:

im ready to answer, but i dont know what im supposed to solve

Contribution of prophase stage of mitosis cell division to growth of plant

Answers

Answer:

It helps organisms grow in size and repair damaged tissue some species of algae are capable of growing very quickly

Explanation:

May be this can help ❣️❣️❣️❣️


Organisms that must get there energy from food or other living things are
called:
zenotrophs
heterotrophs
autotrophs
plants

Answers

Answer:

b

Explanation:

heterotrophs animal

Which statement about a catalyst is correct?
1) A catalyst slows down a chemical reaction.
2) A catalyst speeds up a chemical reaction.
3) A catalyst has no affect on a chemical reaction.

Answers

Answer:

choice 2

Explanation:

because the catalyst reduces the activation energy of the reactants so the reaction then requires lower energy to occur then the reactents reach that energy in shorter time so the reaction takes shorter time .

In humans, earlobes that are suspended (detached) are dominant over those that are attached. If a mother has suspended earlobes (but her mother did not) and the father has attached earlobes, what are the chances that their first child will have attached earlobes?

Answers

Answer:

i would say it is a 50/50chance

Explanation:

If the weather in Richmond, Virginia suddenly changed to very cold (snow on the
ground 8 months of each year) over the next few years, what change might possibly
occur in the squirrel population there?
A) Natural selection would cause a new genotype to appear in the population,
resulting in squirrels with white fur.
B) The cold weather would cause a mutation in squirrels which causes their fur
to be white.
C) Natural selection would not permit such climatic changes.
D) Evolution would definitely occur resulting in white squirrels.
E) If a mutation happened to occur which caused white fur to develop, such
white squirrels would have a better chance to survive and produce more
offspring with the characteristic.

Answers

Answer:

E) If a mutation happened to occur which caused white fur to develop, such

white squirrels would have a better chance to survive and produce more

offspring with the characteristic.

Explanation:

Which of the following statements are accurate about Earth’s spheres?

SELECT ALL THAT APPLY.

A - earth’s spheres depend on each other
B - to maintain equilibrium, energy and mass is transferred between spheres
C - earth’s spheres support each other

Answers

Answer:

Option A, B and C.

Explanation:

The Earth spheres make up the components of the Earth and it comprises of both living and non living things.

The Earth spheres(hydrosphere, biosphere, atmosphere) are interconnected with each other. A change in a sphere can also in one way of the other influence change on the others. Interactions occur among the spheres I .e energy can be harness from one sphere to another.

For example birds can fly from biosphere to hydrosphere to obtain water. Their interactions cause or drive all the processes of the Earth which is an indication that they are connected to each other and react with each other.

Statements that are true as regards Earth’s spheres are;

A - earth’s spheres depend on each other

B - to maintain equilibrium, energy and mass is transferred between spheres

C - earth’s spheres support each other

There are four spheres that can be attributed to the Earth, and all these sphere are depend on each other. They are lithosphere, hydrosphere, atmosphere as well as biosphere.

The lithosphere is the part that  has solid rock, soil in it, to maintain equilibrium, there is usually transfer of mass and energy among the sphere.

Therefore, all options are correct.

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If a flower is not pollinated what will happen?​

Answers

Answer:

Will die?

Explanation:

We could have a shortage to our food supply

3. When a single-celled organism splits into 2 new organisms it is called _________________. *

a.fission
b.budding
c.fragmentation
d.sporulatioin

Answers

Answer:

When a single-celled organism splits into 2 new organisms it is called fission.

When a single-celled organism splits into 2 new organisms it is called fission. Therefore, option (A) is correct.

What is binary fission?

In biology, fission is the split of a single organism into two or more pieces, followed by the regeneration of those parts into new, distinct organisms that resemble the original. Cells are often the thing that undergoes fission, although the phrase may also describe how creatures, bodies, populations, or species divide into distinct sections.

Asexual reproduction in bacteria occurs via a mechanism called binary fission. A single organism splits into two separate ones during binary fission. The duplication of organelles in eukaryotes is sometimes referred to as binary fission.

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Characteristics of marchantia​

Answers

Answer:

Dark green Marchantia gametophytes (sexual plants) are branched and ribbonlike, about 1.3 cm (0.5 inch) wide and 5 to 13 cm long. The diamond-shaped markings on their upper surfaces, signs of interior air chambers, have a central pore through which air diffuses.

Explanation:

he diploid zygotes develop into sporogonium or sporophyte. The sporophyte is differentiated into the foot, seta, and capsule containing numerous sporogenous cells, which by meiosis cell divisions forms the tetrad of haploid spores that represent the first gametophytic stage.

how do you think the system used to organized where people live is similar to how your body is organized?​

Answers

The human body is organized at different levels, starting with the cell. Cells are organized into tissues, and tissues form organs. Organs are organized into organ systems such as the skeletal and muscular system

Which codon is the code for the amino acid serine (Ser)?
Messenger
Second base in codon
RNA Codons
U
С
A
G
UUU
Phe
UCU
UAU
UGU U
UUC UCC UAC
Tyr
UGC
Cys
U
Ser
UUA 1
Leu
UCA UAA Stop UGA Stop A
UUG UCG UAG Stop UGG Trp G
CUU CCU CAUT CGU U
His
CUC ССС САС! CGC
Leu
Pro
CUA CCA CAA CGA
Gin
CUG CCG CAG CGG
AUU ACU AAU
As
AGU
Ser
AUC lle ACC
ААС! AGC
A
Thr
AUA ACA
AAA
Arg
AUG startet ACG AAG AGG
GUU
GCU
GAU
Asp
GGU
U
GUC GCC
GAC
GGC
G
Val
Ala
GUA
Gly
GCA
GAA
Glu
GGA
A
GUG GCG GAG
GGG
Arg
First base in codon
이이이이이드
Third base in codon
OPOCO POCO Blocos
Lys AGA
A. AGU
B. UGA
C. AGG
D. AGA
No

Answers

Answer:

four codon in mRNA sequence code for serine aminoacid.

Explanation:

UCA

UCG

UCC

UCU

these four codons code for aminoacid serine.

Which of the following statements correctly describes a difference between plant cells and animal cells?

2 points

A. Plant cells have an envelope surrounding the nucleus. Animal cells do not.

B. Animal cells contain mitochondria. Plant cells do not.

C. Animal cells contain chloroplasts. Plant cells do not.

D. Plant cells are surrounded by a cell wall. Animal cells are not.

Answers

Answer:

D

Explanation:

plant cells are the only kind of cell to have cell walls

The statement 'plant cells are surrounded by a cell wall, while animal cells are not' correctly describes the difference between plant cells and animal cells (Option D).

Both plants and animals are eukaryotic organisms, which means that their cells have nuclei and contain membrane-bound organelles.

Plant cells contain an organelle known as chloroplast, which is used by these organisms during photosynthesis.

Moreover, the plasma membrane of plant cells is surrounded by a cell wall that provides structural support to their cells.

In conclusion, the statement 'plant cells are surrounded by a cell wall, while animal cells are not' correctly describes the difference between plant cells and animal cells (Option D).

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please help me with this question:)

Answers

Answer:

It is a cell wall

Explanation:

the answer is a cell wall

If Earth was like a hardboiled egg, which part of Earth would the egg white represent?

Mantle, as its depth is less than 2,900 kilometers
Core, as its depth is less than 2,900 kilometers
Mantle, as its depth is up to 6,500 kilometers
Core, as its depth is up to 6,500 kilometers

Answers

Answer:

The Mantle, as it's depth is less than 2,900 Kilometers.

Explanation:

Answer:

The Mantle as it's depth is less than 2,900 Kilometers.

Explanation:

Orms of obvious, overt prejudice, which are considered inappropriate by most social standards today, are sometimes called:________.

Answers

Answer:

Discrimination        

Explanation:

Discrimination of prejudice refers to the act of treating a person or people in a way that is wrong, unlawful, and inconsistent with the generally accepted moral standards just because they are different especially with respect to age, nationality, gender, etc

There are two categories of discrimination:

Overt and Covert.

Discrimination or prejudice is over when those who practice it are unafraid to make their thoughts and actions public. Many times this is so because the society in which they live condones such behavior and because there are no repercussions, they bold to make their unjust acts public. For example, name-calling, intentional rejection of job applications, etc.

Covert refers to using the system or giving logical reasons for discriminatory behavior. This is more subtle. For example, an employer may say they are not taking females due to the prerequisites of the job. Refusing "nicely" to be treated by a person of color in a hospital is another example.

Covert aggression of prejudice is often masked and occurs where the laws are relatively stiff on those who practice them. Also, a society that is evolving from largely prejudicial to less discriminatory will see more covert forms that overt forms of discrimination because those who practice overt prejudice are bold because they know that there are many more who think like them.

Cheers!

During transcription, DNA is made into a molecule of _________________ which will travel to the ___________________ in the cytoplasm, Here, three bases, called a ________________ will determine what __________________ acid is added to the chain. This chain will fold into a _______________________________.

Answers

The answers to the blank spaces in the question are as follows:

mRNARibosomeCodonAminoProtein

GENE EXPRESSION:Transcription is the process by which DNA template is used to synthesize a mRNA molecule.

The mRNA molecule leaves the nucleus of the cell and transports to the ribosomes in the cytoplasm where the process of translation takes place.

The mRNA is read in a group of three nucleotide bases called codons. Each codon specifies an amino acid.

The amino acid, which are building blocks of proteins will undergo folding into a protein molecule.

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The answers to the blank spaces in the question are as follows mRNA, Ribosome, Codon, Aminoacid and Protein.

What is transcription?

Transcription is the procedure by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA).

DNA safely and stably stores genetic material in the nuclei of cells as a template.

Thus, the following are the correct answers.

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Try reducing the level of fossil fuel percentage increase and decrease deforestation by 1 GT per year. Predict what will happen to the atmospheric carbon levels and record it in your Data Table. Run the simulation to test your hypothesis. Were you correct? Were you surprised by the result? What about your result surprised you?

Answers

Answer: The atmosphere can handle almost 700 billion tons of carbon in it. The carbon levels are increasing due to industrial revolution.

Explanation:

The overload of the emission of carbon in the atmosphere surprised me. The data was recorded and investigated for 2000 to 2100. Different parameters like ocean water and fossil fuel. The fossil fuel when burn contribute to the release of carbon monoxide and carbon dioxide gas. The oceanic water release the decomposed carbon dioxide by calcium carbonate of coral reefs and respiration of aquatic animals.

SOMEONE PLZ HELP!!!!!!!!!!!!!!!

Answers

Answer:

A

Explanation:

A blonde woman uses dye to change her hair color to red;
however, her children WILL NOT INHERIT this red hair color because the
woman does NOT have *
O A) genes for red hair in her skin.
O B) proteins for red hair in her stomach cells.
O C) proteins for red hair in her brain.
D) genes for red hair in her gametes.

Answers

Answer:

D

Explanation:

Answer:

D,  genes for red hair in her gametes.

Explanation:

Because of the genetics. unless a family member or the father has red hair, in any relation (not including dye) then the children will not inherit the hair.

In rigor mortis, muscle tissue becomes locked in position because myosin heads are tightly attached to neighboring actin thin filaments. This lock-up is prevented in living muscle because ordinarily myosin is rapidly displaced from the thin filament by:_________.A. binding of a new molecule of ATP B. hydrolysis of ATP C. release of ADP after ATP hydrolysis D. release of phosphate after ATP hyrdolysis

Answers

Answer:

The correct answer is option A. binding of a new molecule of ATP.

Explanation:

Actin and myosin are complementary filaments present in muscle, actin is thin and myosin is a thick filament, these two filaments are responsible for the movement by muscle contraction and relaxation. Actin and myosin head shows great affinity towards one another.

Myosin heads are tightly attached to neighboring actin thin filaments due to its affinity to actin, however, myosin at other pockets also show a huge affinity for ATP. If myosin is bound to actin the affinity for ATP is changed and if new ATP bounds to the empty pockets it changes the conformation of myosin and prevents lockup or binding of the actin-myosin protein.

which best describes the results of mendels work with pea plants a) he figured out the fastest way to grow pea plants. b) he showes that pea plants do not pass traits to their offspring. c) he found the basic ideas about genetics. d) he discovered the scientific method.

Answers

Answer:

its C

Explanation:

Which of the following best describes the Earth's crust?

Answers

Answer:“Crust” describes the outermost shell of a terrestrial planet. Earth's crust is generally divided into older, thicker continental crust and younger, denser oceanic crust. The dynamic geology of Earth's crust is informed by plate tectonics. “Crust” describes the outermost shell of a terrestrial planet

Explanation: did the test in 7th grade and got in correct

Answer:

Thinnest under oceans and thickest under continents

Which of these mechanisms exerts gene control by suppressing transcription in eukaryotes?

A. Acetylation of histone proteins
B. Methylation of DNA
C. Action of activator proteins

Answers

Sets of transcription factor proteins buying a specific DNA sequences in or near a gene and promote or repress its transcription into RNA. Which i believe its C

Answer:

Its B. Methylation of DNA I just took the test.

Explanation:

i will mark u brainliest!!! What is on the biology module 3 dba? pleasee only leave real answers im struggling lol.

Answers

Answer:

WHat school?

Explanation:

FLVS: What are mutations and how do they occur? Explain their effects on organisms.

Explain how DNA is involved in creating genetic variation within a species. Is this considered a mutation, if so why?

Describe how you can use a Punnett square to predict the probability that offspring will inherit a trait. Provide explanations of genotypes and phenotypes.

Compare mitosis and meiosis. What type of cells are created through mitosis and meiosis and what is the function of each? What makes these processes vital to our survival?

Summarize how protein molecules are made through transcription and translation. Where do these processes take place?

What is genetic engineering? Provide an example of a positive example of genetic engineering technology and its impact on health and genetics.

These should be the questions.

They might be different for you

Please select the word from the list that best fits the definition

process in which liquid turns to vapor

Answers

Answer:

i think its vapporization

Answer:

evaporation

Explanation:

its the process in which water gets heated up to a point where it turns into steam or vapor

true or false? all elements are compounds

Answers

false .. not all are

Are all nerve cells are connected to the brain?

Answers

Answer:

yes

Explanation:

Answer: Is the brain made up of nerve cells?

The brain is what it is because of the structural and functional properties of interconnected neurons. The mammalian brain contains between 100 million and 100 billion neurons, depending on the species. Each mammalian neuron consists of a cell body, dendrites, and an axon.

Explanation: Have a blessed day!

A repressor prevents
a. translation from occurring.

b. ribosomes from binding to mRNA

c. transcription factors from binding to DNA

Answers

I think it’s b ......
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