CAN SOMEONE PLZ HELP
1. List five organelles eukaryotes have that prokaryotes do not have.
2. Explain how the following organelles ensure that a cell has the proteins it needs: nucleus, rough ER, vesicles,
and Golgi apparatus.
3. What is the main difference between rough endoplasmic reticulum and smooth endoplasmic reticulum?
4. Describe the three types of vesicles.

Answers

Answer 1

Answer:   1 Lysosomes and peroxisomes, Microtubules, Endoplasmic reticulum, Mitochondria

2 The role of the nucleus of a eukaryotic cell is to control the cell. Because it contains most of the cell's DNA, which is encoded with genetic instructions, the nucleus controls which proteins the cell makes.

3 The rough endoplasmic reticulum has ribosomes on its surface. This is what give the RER a "rough" appearance.            The smooth endoplasmic reticulum (SER) does not contain ribosomes. The Smooth ER looks more like tubes. The SER helps in the storage of proteins and lipids.

4 Secretory vesicles contain materials that are to be excreted from the cell, such as wastes or hormones.

Transport vesicles move molecules within the cells.

Vacuoles are vesicles that contain mostly water.

hope this helps

Answer 2

Answer:

sheeeeeeeeesh I agree with the other person

have a good day :)

Explanation:


Related Questions

How might knowing that earth's position relative to the center of the Milky Way help you make a map of the Milky away?

Answers

The center of the galaxy is located between the tail of Scorpiues and the teapot of Sagittarius

Would collecting the resources that go into bread have long-term or short-term effects on the environment? Explain your answer.

Answers

Answer:

a short term effect. In their life cycle analysis, the researchers found that a loaf of bread emits about a half-kilo of carbon dioxide. Forty-three percent of bread's greenhouse gas emissions can be attributed to the fertilizers used to grow wheat

It is a short term effect. In their life cycle analysis, it has been observed that a loaf of bread emits about a half-kilo of carbon dioxide.

What's the Environmental Impact of a Loaf of Bread?

The life cycle of a loaf o bread is started from growing, harvesting, and transporting to producing flour, shipping to a bakery, baking loaves and packaging them.

In the life cycle it has been found that per loaf of bread about a half-kilo of carbon dioxide is emitted where nearly 43%  of bread’s greenhouse gas emissions can be  used in the fertilizers for wheat cultivation.

Two-thirds of the emissions come from actual fertilizer production.

we are unaware of the environmental impacts of this products mainly concerned with human health or animal welfare.

It was found that  each loaf production is associated with  global warming as a result more amount of fertilizer applied in order to increase their wheat harvest.

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the algae at the beginning of the food chain is a_______.

a consumer
b decomposer
C producer
d heterotroph​

Answers

Answer:

c

Explanation:

yep

C. Producer
Because it gets energy from the sun and not consuming a plant or animal

Look at the pic and thanks :)

Answers

answer should be true

The width of the labelled cell in Figure 4 is 6 mm. The cell has been magnified 750 times.

Calculate the actual width of this cell in mm.

Give your answer in standard form.

Answers

Answer:4,500

Explanation:6mm times 750 equals 4,500

Which phase of cell division is shown?

Exploring mitosis.


anaphase II


telophase I


prophase I of meiosis


telophase II

Answers

Answer:

im assuming its the same question i had, i took the quiz and the answer was telophase I  

Explanation:

like i said i took the k12 quiz and got 100%

The phase shown here is anaphase. the correct option is A.

What is anaphase?

Anaphase is the stage of mitosis that occurs after metaphase, during which replicated chromosomes are split and newly replicated chromosomes are moved to opposite poles of the cell.

The missing image is attached below.

The image is showing the split of chromosomes, so it is indicating anaphase of cell division.

Thus, the correct option is A.

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I’ll mark u brainly!

Answers

1. Phytoplankton, krill, fish, penguin

2.  Baleen whale, smaller toothed whale

3. krill

4. the phytoplankton are the producers, they make their own food from the sunlight just as plants do.

5. herbivorous zooplankton, phytoplankton

6.  One type is a herbivore it snacks on plants. The other type is a carnivorous type of zooplankton it eats smaller animals.

7. Draw a pyramid with several layers. at the bottom write phytoplankton. above that layer write zooplankton, not the carnivorous type. above that write 1st level carnivorous consumers, such as the fish, krill, other birds, and small squid. above that write 2nd level carnivores like the leopard seal, penguin, and elephant seal. Then above that write Baleen whale, smaller toothed whale, and a sperm whale.

Consider this plant cell. Which organelle is labeled A?

Answers

Answer:

image so we can answer the question?

Explanation:

What is a prokaryote?

Question 3 options:

organism that does have a nucleus


organism that does not have a nucleus


organism that is multicellular

Answers

Answer:

a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. Prokaryotes include the bacteria and cyanobacteria.

Explanation:

HELP ASAP !! I WILL GIVE BRAINLIST

Answers

Answer:

A. Mountain building

Explanation:

Hope this helps

Please help me

Please

Answers

Answer:

a

Explanation:

because i think so dont quote me on that though

If today is Monday and it is a 1st quarter moon, what phase will it be on Thursday

Answers

Answer:

Saturday

Explanation:

because

Which of the following biological processes releases oxygen into the
atmosphere?

A. Transpiration
B. Paristalsis
C. Respiration
D. Photosynthesis

Answers

Answer:

D. Photosynthesis.......

The correct answer is D

what are two reasons scientist use shared traits to classify organisms

Answers

Answer:

So that we can identify them in the same species.

Explanation:

Many animals have similar species but different genus.

what is the main difference between photosynthesis and cellular respiration

Answers

Answer:

Photosynthesis converts carbon dioxide and water into oxygen and glucose.  Cellular respiration converts oxygen and glucose into water and carbon dioxide.

Explanation:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

Doctors often use certain medications to treat infections. A few people have a reaction to some of these medications, such as itching, swelling, or trouble breathing. This is an example of

Answers

Answer: The body’s immune system overreacting to a usually harmless substance.

A reaction to some medications, such as itching, swelling, or trouble breathing is an example of hypersensitive reaction (drug allergy).

What is drug allergy?

It a an allergic reaction of the body towards a medicine.

What kind of reaction is a drug allergy?

It is a kind of hypersensitive reaction.

What is a hypersensitive reaction?

It is an exaggerated response of a body towards an immunogen.

Why is it caused?

When drugs bind to some immune cells such as T cells, they cause a release of some chemicals which causes an allergic reaction in the body.

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How do the diaphragm and rib muscles help with breathing? These muscles
pull lungs down to draw in air
change the air pressure
open up the air flow tubes
keep food out of the chest
push blood around the lungs

Answers

When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale

Help me with this please

Answers

Answer:

1. b

2. a

3. a

4. b

5. b

6. a

7. a or b (they're the same)

(Punnett square and chart attached)

Explanation:

1. The father is a non-roller, as was given in the question. Remember that a phenotype is the physical trait displayed by an organism.

2. In order for the father to be a non-roller, the recessive non-roller allele would have to be expressed. In order for this to happen, he would need two recessive alleles.

3. The gene for tongue rolling is dominant, so if the mother is heterozygous (she has one dominant allele and one recessive allele), then she will be a tongue roller.

4. The mother has a dominant allele and a recessive allele.

5. 50% of the offspring have the Rr genotype and 50% have the rr genotype. This means that there is a 50% of having a tongue-rolling child and a 50% chance of having a non-rolling child.

6. Because the possibility of the offspring having either genotype is 50/50, the ratio would be written as 1:1. Both outcomes are equally likely.

7. Because the possibility of the offspring having either phenotype is 50/50, the ratio would be written as 1:1. Both outcomes are equally likely.

AAAAAAAA

Using the Periodic Table of Elements, what group of elements are also known as the Halogen Family?

Answers

Answer:

I NEED SOME POINTS TO ASK A QUESTION UGH

Explanation:

Answer:

the answer is this hope it helps

PLEASE HELP! EASY POINTS!! WILL MARK BRAINLIEST!!

Q: What is the purpose of Mitosis? Why do cells need to divide?



(costs me 60 points)

Answers

Answer:

The goal of mitosis is to divide a cell to produce two cells, each of which is identical to the parent cell. The cell cycle is the process by which cells multiply, which is necessary for an organism to survive.

Explanation:

Hope this helps :)

which group of organisms in level 4 of the energy pyramid

Answers

The group of organisms in the energy pyramid are tertiary consumers.

If the length of the small intestine is ( 6 ) meters and the length of the large intestine ( 1.5 ) meters. what is the ratio of the large intestine to the small intestine

Answers

Answer:

1:4

Explanation:

According to the information provided in this question, the length of the small intestine is 6 meters and the length of the large intestine 1.5 meters. This means that the small intestine is longer than the large intestine.

To find the ratio of large intestine to the small intestine, we divide each length value by the smallest (1.5) i.e.

Large intestine = 1.5 ÷ 1.5 = 1

Small intestine = 6 ÷ 1.5 = 4

The ratio of large to small intestine according to this question is 1:4

What does a nucleus do in a cell?

Answers

Answer:

The nucleus is known as the brain of the cell, it is the organ of the cell that controls all the cell activities like growth, metabolism, etc. it carries genes, structures that contain hereditary information.

It can also ‘think’ in a way and controls the activities of what the cell will do also all the genetic code is stored in it

Which structure does the immune system target in type 1 diabetes?
a. beta cells of the pancreas
b. liver cells that release glucose
c. insulin receptors on fat cells
d. red blood cells in the bloodstream

Answers

Answer:

The thymus plays an important role in deletion of potentially autoreactive T cells. However, the presence of islet-specific T cells in the circulation of type 1 diabetes patients and healthy subjects indicates that the thymus is not capable of efficiently deleting all autoreactive T cells (Mathis and Benoist 2009).

Explanation:

Answer:

A: beta cells of the pancreas

Explanation:

Type 1 diabetes makes the pancreas produce little to no insulin.

The process of evolution, or genetic change over time, has resulted in the wide variety of living things that exist today. What part do mutations play in the evolution of species

Answers

Answer:

Evolution has occurred thanks to many random changes in the DNA base sequence that we call mutations. This is caused by errors in the genetic information contained in the cells - due to chemical or physical factors - and also its subsequent propagation by replication, being transcendent for evolution those that will later be transmitted to the offspring: somatic cells if reproduction it is asexual and the gametes if it is sexual. For this reason, we say that mutations are the primary source of gene variability, essential for evolution to exist. Thus, without mutations, the genetic variability that natural selection needs would not be present - in addition, such diversity is important for the population to more successfully mold (or adapt) to continuous environmental changes.

Explanation:

A mutation is a change in the information contained in the DNA of cells. The DNA of an organism influences all aspects of its life. Therefore, a change in the DNA of an organism can produce changes in all aspects of its life. The mutation increases the genetic variability of the species and contributes to the adaptation of the species to the environment and to their evolution. Viability and fertility are associated with adaptation, the total capacity of an organism to survive and reproduce. The effect of a mutation in any generation is minimal, but over time a considerable amount of variation from mutations can accumulate. Most mutations are harmful and their carriers die, but those that produce an improvement remain in the species and are essential in the evolutionary process. When mutations appear in a certain population, the genotype changes from generation to generation, appearing individuals with characteristics different from those of their predecessors. This is how the population evolves, being able to originate new species. Mutations that are detrimental to the carrier individual will be eliminated by natural selection.

Based on the cell cycle, if you were going to look at a group of cells under a microscope, how many cells would be in interphase and how many would be in mitosis?

Answers

4 interphase 6 mitosis

How is the scale of objects used when scientists create models of real world phenomenon and why is it important?

Answers

Answer:

To compare things.

Explanation:

The scale of objects used by scientists to create models of real world phenomenon because the scales helps the scientists to show the difference between objects and their effect on one another that contributes in the process or phenomenon. It is important because it helps us to make accurate models to understand the process or phenomenon that is related to the real world.

Is this correct guys?

Answers

Yes it’s correct, study hard

Answer:

Yes its correct.

:)))))

An organism has many cells, but cannot move. It does not eat food, but cannot perform photosynthesis cither. What kingdom does it belong to? A,Kingdom fungi, B,Kingdom plantae, C,Kingdom Protista D,kingdom Animalia

Answers

Answer:

Explanation:A,Kingdom fungi

HELP ONLY IF YOU KNOW PLEASE!!
A species of beetle can be either black or brown in color. The beetle's color is determined by a single gene, and black is recessive to brown. The soil in the area has become darker and closer in color to the black beetles. Which of the following will most likely occur?

Selective pressures will decrease the number of brown beetles.

Selective pressures will increase the number of brown beetles.

Selective pressures will decrease the number of black beetles.

The overall size of the beetle population will continue to decrease over time.

Answers

Answer:

the first option

Explanation:

As the soil gets darker, brown beetles become easily recognised by predators (like birds) and will be eaten. Black beetles however, are better camouflaged and will less likely be spotted by the birds. Black beetles will survive and interbreed, allowing the recessive allele to be passed on to upcoming generations.

Selective pressure is what makes the genetic pool shift toward a particular genotype with a particular phenotype (recessive black in this case) that gives the new generations a selective advantage. They're more likely to survive and reproduce. Survival of the fittest.

Genotype- the genetic makeup of an organism (eg: the recessive gene for black; bb)

Phenotype- physical feature of an organism as determined by the genotype (the colour black)

Selective pressures will increase the number of brown beetles. The correct option is 2.

What is Selective pressure?

Any factor that reduces or increases reproductive success in a subset of a population may exert evolutionary pressure, selective pressure, or selection pressure, thereby driving natural selection.

Selection pressure can be defined as a force that causes an organism to evolve in a specific direction.

It is not a physical force, but rather an interaction between natural variation in a species and environmental factors that causes certain forms to have an advantage over others.

A beetle species can be either black or brown in color. A single gene determines the color of the beetle, and black is recessive to brown.

The soil in the area has darkened and taken on the color of black beetles. Brown beetle populations will increase as a result of selective pressures.

Thus, the correct option is 2.

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