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6th grade science

Help Asap 6th Grade Science

Answers

Answer 1

Answer:

true.......

Explanation:

.........

Answer 2

Answer: True.

Explanation: All facts mentioned are true avout plant cells...........


Related Questions

Which part of the illustration depicts osmosis

Answers

Answer:

A ● I is the right answer

Explanation:

please mark me as brainliest

Name the plasma proteins?​

Answers

Plasma protein status. Albumin, globulins and fibrinogen are the major plasma proteins.

Blood proteins, also termed plasma proteins, are proteins present in blood plasma. ... Globulins make up 38% of blood proteins and transport ions, hormones, and lipids assisting in immune function. Fibrinogen comprises 7% of blood proteins; conversion of fibrinogen to insoluble fibrin is essential for blood clotting. Plasma proteins, such as albumin and globulin, that help maintain the colloidal osmotic pressure at about 25 mmHg. Electrolytes like sodium, potassium, bicarbonate, chloride, and calcium help maintain blood pH. Immunoglobulins help fight infection and various other small amounts of enzymes, hormones, and vitamins.

En las plantas de guisante la forma lisa de la vaina (cubierta) es dominante sobre la forma rugosa. Se cruzan plantas de vaina lisa con plantas de vaina rugosa, ambas homocigotas. Determine fenotipo y genotipo de F1 y F2.Resultante

Answers

Answer:

F1)  

Genotipo: 100% Heterocigota, LlFenotipo: 100% Frutos de vaina lisa

F2)

Genotipo: 25% Homocigota dominante, LL

                          50% Heterocigota, Ll

                           25% Homocigota recesivo, ll

Fenotipo: 75% Frutos de vaina lisa (LL + Ll)

                         25% frutos de vaina rugosa (ll)

Explanation:

Datos disponibles:

Vaina lisa es la característica dominanteVaina rugosa es la característica recesivaEl gen que codifica la textura de la vaina es dialélicoLlamemos L al alelo dominante que expresa vaina lisa, y l al alelo recesivo que expresa vaina rugosa

1er Cruza: planta de vaina lisa homocigota x planta de vaina rugosa homocigota

Parentales)    LL    x    ll

Fenotipo)    Lisa         Rugosa

Gametos)   L      L      l        l

Cuadro de Punnett)    L         L

                           l       Ll        Ll

                           l       Ll        Ll

F1) 4/4 = 100% de la progenie será heterocigota, Ll, para la textura de vaina, pero expresarán vainas lisas.

2da Cruza: Dos plantas provenientes de la F1

Parentales)    Ll      x      Ll

Fenotipo)  Liso             Liso

Gametos)    L     l        L      l

Cuadro de Punnett)     L       l

                              L    LL    Ll

                               l    Ll      ll

F2) 1/4 = 25% de la progenie será homocigota dominante, LL

      2/4 = 50% de la progenie será heterocigota, Ll

      1/4 = 25% de la progenie será homocigota recesiva, ll

      3/4 = 75% de la progenie tendrá vainas lisas

      1/4 = 25% de la progenie tendrá vainas rugosas.

Briefly describe the role of the ribosome and tRNA in translating the mRNA sequence into an
amino acid chain.

Answers

Answer:

Explanation:

Messenger RNA (mRNA) is translated into protein by the joint action of transfer RNA (tRNA) and the ribosome, which is composed of numerous proteins and two major ribosomal RNA (rRNA) molecules. ... Transfer RNA (tRNA) is the key to deciphering the code words in mRNA. The ribosome brings together the mRNA to be translated and a set of molecules called transfer RNAs, or tRNAs, which are floating in the cell. ... Each tRNA is designed to carry a specific amino acid that it can add to a polypeptide chain. tRNAs bring their amino acids to the mRNA in a specific order.

) ¿Qué nombre recibe cada una de las unidades (monómeros) que constituyen el polímero conocido por las siglas ADN?

Answers

Answer and Explanation:

El ADN (ácido desoxiribonucleico) es un ácido nucleico que participa en la codificación y transferencia de la información genética en los seres vivos. Es un polímero cuyas unidades monoméricas son pequeñas moléculas llamadas nucleótidos. En el ADN, hay 4 tipos de nucleótidos que conforman la secuencia:

- Adenina (A)

- Citosina (C)

- Guanina (G)

- Timina (T)

"The chicken genome has about 17,000 genes, and the grape has about 30,000 genes." Which claim about human genes would be most strongly supported by this statement? A. The number of human genes is not especially large compared to other organisms. B. Humans have many more genes than other species. C. Humans are genetically very similar to other species and differ by only a few key genes. D. Humans are genetically very different from other species and share few if any genes with them.

Answers

Answer:A

Explanation: I took the quiz.

The claim about human genes would be most strongly supported by this statement is, that the number of human genes is not especially large compared to other organisms.

What do you mean by Genes?

Genes may be defined as a stretch of DNA that helps in the determination of each characteristic specifically.

According to the human genome project, humans have 20,000-25,000 genes. while the tiny eater flea Daphnia has the most genes of any animal which is 31,000.

Therefore, the claim about human genes would be most strongly supported by this statement is, that the number of human genes is not especially large compared to other organisms.

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What determines the
carrying capacity in an
ecosystem?
A. The number of different species in
the ecosystem
B. Limiting factors
C. Only biotic factors
D. Only abiotic factors

Answers

Answer:

B

Explanation:

The limiting factors tell you what chances you have to survive in the ecosystem. In fact, it is the primary basis which you will have to plan on because I you don't, it's disadvantages will take you unawares.

Do mutations in body cells contribute to genetic variation?(1 point)

A) No, the causes of body cell mutations are outside the body and cannot alter DNA.

B) Yes, the mutations can be passed on to offspring and contribute to variation in the population.

C) Yes, these body cell mutations lead to mutations in the gametes.

D) No, the mutations cannot be passed to offspring and only affect the individual.

Answers

A mutation is the alteration of the genetic sequence of an organism, which can either be inherited or cannot be inherited. The mutation when transmitted to the offspring leads to genetic variation.

The correct answer is:

Option B. Yes, the mutations can be passed on to offspring and contribute to variation in the population.

Mutation is the change in the genetic sequence of the organism, which can be caused due to environmental factors and can be inherited.

The mutations can lead to genetic disorders, chromosomal disorders, or any other conditions. The mutations like a disease or adaptation that can be passed onto the offspring can result in genetic variation.

The mutation leads to genetic diversity, as the mutation is also the first step towards evolution. The organisms better suited to the environment will survive more and adapt more. These changes in the organisms will be inherited by the offspring leading to genetic variation.

Therefore Option B is correct.

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What are the two parts that describe the measure of force? (your own answer)​

Answers

Answer:

Force can be measured by the amount of mass in the object and how fast that object is accelerating.

It can also be measured by the change in momentum and the time taken.

What are some
drawbacks of hydroelectric
plants?

Answers

Answer:

hydropower has the ability to generate electricity without emitting greenhouse gases. however it can also cause environmental and social threats such as damaged wildlife habitat, harmful water quality, obstructed fish migration and diminished recreational benefits of rivers.

Multiple Answer
Which of these is evidence for evolution?
a caterpillar changing into a butterfly
a tadpole changing into a frog
horse teeth becoming flatter over time in the fossil record
mutations in DNA
a chicken egg hatching
c. vestigial rear leg bones in whales
different shapes on Galapagos tortoises from different islands
a tailbone in humans
similar bone structure in whale flipper and human hand

Answers

Caterpillar
Tadpole
Chicken

How was life today similar and different to the Silurian period? ( animals, plants , organisms)

Answers

Answer:

The creatures developed in silurian period have evolved to live in sea bottoms.

Explanation:

Silurian life that is marine benthic which are bottom lying organisms belongs to the community of ecological zones that express themselves. As the gradients of temperature, pressure, and salinity. Consists of a community that is adapted to live in a darker region, used to lie in quieter environments that are in deep offshore water. These are much like the reef communities today as they do not tolerate excessive sediments. Prefer wave water that is shallow than 30 meters. These platforms are very gentle and are found over a hundred km gradients. Most of the fish represent the Silurian age and are widely distributed in marine environments. Examples of jawless fish, terrestrial fungi etc.

functions of ribosomes and lysosomes​

Answers

Answer:

Ribosomes are responsible for making proteins

Lysosomes are responsible for removing wastes, as well as destroying a cell after it dies

Answer:

functions of ribosomes and lysosomes :-

ribosomes -

- they are many in number.

-they are not membrane bound.

-they are responsible for protein synthesis. the more the amount of protein synthesised, more the number of ribosomes.

- they are either attached to endoplasmic reticulum or they will be freely present inside the cytoplasm.

lysosomes -

- they contain digestive enzymes that break down waste materials, foreign material and cellular debris. they are capable of digesting fats,proteins, etc. along with them lysosomes also digest or damage their own cells by their own enzymes, which lead to death of the cells. this process is called as autolysis. hence, tysosomes are also called suicidal bags.

Which of the following is an example of a glacial formation?
glacial horn
mesa
stack
alcove

Answers

Answer:

i think glacial horn is an example of a glacial formation?

Glacial Horn is a pointed peak like feature which are bounded on at least three sides by glaciers. Thus, glacial horn is a best example of glacial formation. Hence, option A is correct.

What is Glacier?

Glacier is a slow moving mass of ice observed in the high mountain valleys and colder Polar Regions.

Every mass of ice are not glacier, it must be at least six hundreds of a square mile in size and the thickness will be more than 164 feet.

The principal components for the formation of glacier is snow.

Hence it is observed during winter in the regions where a lot of snow fall occurs and less snow will melt in summer.

Glacial horn are specifically have flat faces which show a pyramidal shape and sharp distinct edges like a pointed peak structure.

Hence, option A is correct.

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Which of the following
organelles holds a lot of water to keep its rigidity?
A nucleus
B, cell membrane
C, cytoplasm
D, Vacuoles






h e l p

Answers

the answer is D, Vaculoes

Gold, quartz, and talc are minerals. Copper and iron are types of ore. What is the difference between minerals and ores?
A. A mineral is a non-living, solid substance that can be extracted from the ground. Ore is a type of mineral made up of metals.
B. An ore is non-living and solid with little value unless it occurs in large amounts, in which case it is a mineral.
C. A mineral is a valuable form of ore that can be extracted from the ground.
D. A mineral is a non-living, solid substance made of elements. Ore is a large deposit of one or more valuable minerals in the ground.

Answers

Answer:

A

Explanation:

All ores are minerals. Minerals are naturally occuring compound. they are more valuable than ore while ores are those minerals from which metal are extracted conveniently and profitably


Which of the following MOST influenced scientists to conclude that the fossils found in the Philippines were from a new human
species?
(A)
the tools that were found near the fossils
(B)
the unique shape and size of the fossils
(C)
the location where the fossils were discovered
(D)
the age of the fossils that were tested

Answers

Answer:

c

Explanation:

next me my question ☺️⁉️

Write a hypothesis showing the effect of nutrients in the soil on the growth rate of the tomato plant

Answers

Hypothesis:

As the tomato plant grows, nitrogen levels in the soil will decrease

A hypothesis showing the effect of nutrients in the soil on the growth rate of the tomato plant is As the tomato plant grows, nitrogen levels in the soil will decrease.

What is soil ?

The  soil is  a mixture of different components which comprises  minerals, organic matter, and living organisms, it is a loose sediment,  Moreover, there are different types of soil like Clay Soil, Sandy soil, Loamy Soil, Silt Soil

soil  it is One of the most crucial components of the biosphere, this particle is composed of 45% minerals, 50% spaces  and 5% organic matter, the soil involve in  many important functions such as Providing a growth medium for the plants, Acts a modifier of the earth’s atmosphere

The formation of soil involve in different process , it can be formed   by weathering of rocks and the weathering of Solid rock  occur in three way like Mechanical Weathering, Chemical Weathering, Biological Weathering

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Which of the following are sites where waste products are released from the body but not where they are produced
O skin and anus
O large intestine and small intestine
O liver and kidney
O tubules and ureters

Answers

Answer:

Its A skin and anus

(just did test)

Explanation:

The skin and the Anus are sites where waste products are released from the body but not where they are produced.

Which process of the human body eliminates the waste products?

Excretion is the biological process through which any unwanted or waste products are eliminated from the body.

Large and small intestines produce waste products that are not completely digested by the stomach. The liver and kidney are also the sites of waste products like the removal of carbon dioxide and synthesis of urine respectively.

Therefore, the skin and the Anus are sites where waste products are released from the body but not where they are produced.

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Which best describes the process of ocean acidification?

Question 8 options:

The ocean absorbs more human-produced CO2, causing the acidity to increase


The ocean releases more human-produced CO2, causing the acidity to decrease


The ocean absorbs more natural CO2, causing the acidity to decrease


The ocean receives more polluted runoff, causing the acidity to increase

Answers

First one. Dissolve CO2 becomes carbonic acid causing the pH of the water to decrease (become more acidic).

Observe: Increase the Sim. speed by two levels. Click Play, and wait for a while. What occurs as time goes by?

Answers

Answer:

more insects become green

Explanation:

9. Who benefits from herd immunity?

Answers

Answer:

Everyone since the virus or disease won’t be able to infect them. The left infected the less the spread.

Explanation:

Answer:

Herd immunity protects the most vulnerable members of our population.

Need help on this question ?

Answers

Answer and Explanation:

Rectum

The answer is the Rectum.

This is where everything is stored after all the processes.

#teamtrees #PAW (Plant And Water)

Where are proteins digested?
1 Gall bladder
2 stomach
3 small intestine
4 large intestine

Answers

Answer:

2) stomach

Explanation:

Protein digestion begins in the stomach, where the acidic environment favors protein denaturation.

Answer:

Stomach

Explanation:

the person above is right, I chose small intestine and got it wrong

What is the function of the labeled structures? A: В С В: С: A​

Answers

Answer:

what are the answers

Explanation:

This is the chemical equation for photosynthesis: 6CO2 + 6H2O → C6H12O6 + 6O2 True False

Answers

Answer:

False

Explanation:

The equation is 6CO2 + 6H2O → C6H12O6 + 6O2.

Hope this helps!

what is the possible liminations of using hair as evidence in crime investgation s\

Answers

Answer:

A limitation of using hair as evidence from a crime scene is that hair can not be directly linked to a suspect. It is impossible to say that a hair sample came from only one specific person.

Answer:

How it got there. Anyone's hair can be carried and blown from anywhere, if so you'd have to go through every persons dna that had contact with a victim and contact with the contactie and so on and so on.

Which invertebrate from the picture did you choose from Figure 1? HINT: There is only 1 on there to choose.

Explain how body plan and anatomy enables your chosen invertebrate to perform the essential functions it needs to survive.

Answers

Answer:

Octopus (Behind the octopus's head, directly opposite the arms, is its mantle. The mantle is a highly muscled structure that houses all of the animal's organs. Its gills, hearts, digestive system and reproductive glands are all crammed into this one space)

Explanation:

Instructions: Write 2/3-1 page of notes on the video.
https://youtu.be/8yvEDqrc3XE
You can just write the sentences down... please and thank you!
I always give a brainliest ;)

Answers

Answer:

ok i will lookk

Explain why the overall charge on an atom is zero

Answers

Answer:

Explanation:

Every atom has no overall charge which means its (neutral) because they contain equal numbers of positive protons and negative electrons.

Thes opposite charges cancel each other out making the atom neutral.

Other Questions
In towns and cities today, the burial of cremated remains has replaced full body burial for reasons of space and cost. The immediate family members of the deceased keep themselves in their houses. The minute the neighborhood gather near the family home to make the items required for the funeral, including paper flags containing prayers, paper processional lanterns, and he wouldnt candlestick. The women prepare the food required for the feast, given before the burial. One woman of the neighborhood has a special honor of sewing a white pilgrims club that will shroud the body for its journey to the land of the dead. Meanwhile, the man who will be pallbearers take a grave in the cemetery. On completing the task, the family members wash their hands and salt water. This is the traditional funeral ritual of which religion?? Triangle ABC is similar to triangle DEF. What is the value of x in centimeters?A. 17 cmB. 16.5 cmC. 15.4 cmD. 18 cm I'm having trouble with this question?what is the author's purpose in the above passage, and how does she achieve it though her organization and choice of detail? king Arthur and Guinevere. What were the 3 Gs of exploration? Explain the meaning of each. A city map is laid out on a coordinate grid with City Hall at the origin. Each unit on the grid represents a distance of one city block.Max spends the day running errands and visiting the following locations before heading back to his apartment.Location CoordinatesPost Office (15, 4)Library (15, 16)Police Station (3, 16)Bank (3, 8)Coffee Shop (4, 8)Pet Store (4, 4)Grocery Store (8, 4)Which of the following options has a distance of 12 city blocks? Select three that apply.HURRY The total surface area of a cube is 294cm^2.Work out the volume of the cube. Geraths Windows manufactures and sells custom storm windows for three-season porches. Geraths also provides installation service for the windows. The installation process does not involve changes in the windows, so this service can be performed by other vendors. Geraths enters into the following contract on July 1, 2020, with a local homeowner. The customer purchases windows for a price of $2,400 and chooses Geraths to do the installation. Geraths charges the same price for the windows irrespective of whether it does the installation or not. The customer pays Geraths $2,000 (which equals the standalone selling price of the windows, which have a cost of $1,100) upon delivery and the remaining balance upon installation of the windows. The windows are delivered on September 1, 2020, Geraths completes installation on October 15, 2020, and the customer pays the balance due.Required:Prepare the journal entries for Geraths in 2020. Agree Or Disagree: Light can travel through materials that you cannot see through, like wood or aluminum foil. Abraham's soccer team won 2/3 of its games. The team won 14 games,how many games did they play this season? Explain how a long-term environmental change can leadto the development of a new species.( its a paragraph what is the x-intercept of y=2x-1 estimate and calculate 18686+17544? I'll give points and brainalist for answer / explanation 1. Violations of public order or securityare classified asOfeloniesO civil lawO midemeanorsO criminal law PLEASE HELP!! find the value of c PLEASE HELP ME PLEASE PLEASE PLEASE Sally has a clock with a minute hand that extends to the clock's edge. The 10 pointsminute hand is 5.25 inches long. What is the CIRCUMFERENCE of theclock? *Hint* the minute hand is the radius. *16.485 inches32.97 inchesabout 86.55 inchesNone of the above how does influence affect health A female fish may lay thousands of eggs at once. Which additional statement about fish is most useful for explaining how fish species can evolve by natural selection? A. All of the fish eggs are genetically identical with one another and with the female parent fish. B. The environment cannot support unlimited growth of the fish population, so only some fish eggs will mature to adults. C. After the female fish lays a clutch of eggs, neither parent tends to or cares for the eggs or offspring. D. Fish eggs will develop into embryos only if they are fertilized by sperm from the male fish. Help please I will give 50 points