Which of the following are not present in animal cells?

Answers

Answer 1
Animal cells don’t have chloroplast

Related Questions

Binding of ________________ to receptors (ligand-gated) on the sarcolemma at the neuromuscular junction is vital for depolarization of the muscle fiber.

Answers

Answer:

Binding of   ACh (acetylcholine)    to receptors (ligand-gated) on the sarcolemma at the neuromuscular junction is vital for depolarization of the muscle fiber.

Explanation:

It allows acetylcholine to be released into this synapse when an action potential hits a neuromuscular junction. Acetylcholine attaches to the nicotinic receptors localized on the post-synaptic membrane of the muscle fibre's motor end plate, a specialized region.

Hence , the answer is  ACh (acetylcholine) .

A scientist conducted a study of an organism and found that its body cells contained 40 chromosomes. While conducting her observations, the scientist noticed that the cells were undergoing cell division. What difference would the scientist expect to observe between the body cells and the sex cells of the organism as they underwent cell division?
Body cells divide by mitosis for the growth and repair of cells, while sex cells divide by meiosis for sexual reproduction.


Body cells divide by mitosis for sexual reproduction, while sex cells divide by meiosis for the growth and repair of cells.


Body cells divide by meiosis for the growth and repair of cells, while sex cells divide by mitosis for sexual reproduction.


Body cells divide by meiosis for sexual reproduction, while sex cells divide by mitosis for the growth and repair of cells.

Answers

Answer:

The difference that the scientist would expect to see between body cells and sex cells with respect to cell division is that body cells divide by mitosis for the growth and repair of cells, while sex cells divide by meiosis for sexual reproduction.

Explanation:

The behavior of the different cell types with respect to their division depends on the functions that each type has.

Somatic cells are those that define the structure and function of the organism, forming tissues by binding together. The process of mitotic division —to obtain from an original cell two identical daughter cells— is important for the growth, development and repair of an individual's tissues.Sex cells or gametes have half of the chromosomal charge —they divide by meiosis, a reductive cell division— and are involved in the process of sexual reproduction.

    The characteristics described for each cell type explain why the other options are not correct.

Answer:

Body cells divide by mitosis for the growth and repair of cells, while sex cells divide by meiosis for sexual reproduction.

Explanation:

I need help with this pleas

Answers

Answer:

To maintain homeostasis within the cell

Explanation:

The function of the cell membrane is to maintain homeostasis (stable environment) within the cell.

The answer is to maintain homeostasis in the cell.

what type of tide has the highest amplitude

Answers

spring tides
The most extreme tidal range occurs during spring tides, when the gravitational forces of both the Moon and Sun are aligned (syzygy), reinforcing each other in the same direction (new moon) or in opposite directions (full moon).

SOMETHING I DONT UNDERSTAND! My sis told me she was on her perio d but then I told her there was this thing called subject and predicate and how she isnt supposed to have a period at the end of her statement because it wouldnt make any sense... and ya, it didnt go well cause' she put on a tantrum.
But the weird thing is that Google said this "Tantrums are most common between the ages of one and four, then decrease when children start school." SO HOW COME I DIDN"T HABE A TANTRUM!! life makes no sense

Answers

Answer:

yep life tends to not make sense

i feel you gurl i also have a older sister

Explanation:

Question
Type the correct answer in the box. Use numerals instead of words,
There are an estimated 12,600 spiders in a region of 525 square meters. How many spiders are there per square meter

Answers

Answer:

24

Explanation:

The population density of spiders is found by dividing the population size by the total area that the population occupies.

Answer:

Plato and Edmentum

Explanation:

What mRNA sequence will best match the section of DNA shown below?

G – A – T – C – C – T
C – T – A – G – G – C
C – U – A – G – G – A
T – C – G – A – A – G

Answers

Answer:

C-U-A-G-G-A

Explanation:

took the quiz this question right with this answer

The mRNA sequence will best match the section of DNA shown below is  C-U-A-G-G-A. Thus, option C is correct.

What is the use of reverse transcriptase?

Reverse transcriptase enzyme has been generally used by the retrovirus for their genome replication. This enzyme has been discovered by the Howard tenim.

Reverse transcriptase enzyme generates the complementary DNA from the mRNA template by the process of reverse transcription. The presence of RNase H, RNA-dependent DNA polymerase and  DNA-dependent DNA polymerase activity enable the enzyme to convert the mRNA into DNA.

The position of the mRNA is to carry protein facts from the DNA in a cell's nucleus to the cellular's cytoplasm (watery interior), where the protein-making machinery reads the mRNA sequence and translates every three-base codon into its corresponding amino acid in a growing protein chain.

Therefore, The mRNA sequence will best match the section of DNA shown below is  C-U-A-G-G-A. Thus, option C is correct.

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Imagine that a biological anthropologist 10,000 years in the future is examining our fossil remains. The anthropologist notices that humans have broad incisors and molars with rounded cusps. How do you think the anthropologist would interpret these traits---what diet would these traits indicate

Answers

Answer:

They were frugivores

Explanation:

Frugivores are animals that mainly eat raw fruits, vegetables, roots, seeds, shoots, etc. Frugivores need to eat diverse fruits and succulent fruit-like vegetables to fulfill their nutritional requirements, although they can supplement this diet with flowers, nectar, small insects, etc. Among their adaptations for fruit consumption, frugivore teeth are clearly distinct, having broad incisors to peel tough fruit rinds. Moreover, these animals generally have long small intestines to digest the fruit.

I need the anwser soon!!Which two statements describe what happens to energy during cellular
respiration?
O A Chemical energy is transferred to molecules of ATP and used to
carry out fe processes.
B. Some thermal energy is transformed into chemical energy-
C. Some chemical energy is transformed into thermal energy
D. Light energy is transferred to molecules of ATP and used to carry
out te processes

Answers

Answer:

the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.

Explanation:

Which organelle that plays a central role in the transport of new molecules from inside to outside the cell?

Answers

Answer:

The Golgi apparatus plays a central role in molecular transport after biosynthesis.

Explanation:

Transcription occurs in the nucleus during protein synthesis, followed by translation inside ribosomes. Then, new molecules join the endoplasmic reticulum to be folded and modified. In the Golgi, they are tagged and separated into lysosomes for export outside the cell.

 The Golgi system comprises of several regions known as cisternae; they act as independent microenvironments where products requiring their own unique conditions are converted into new, stable biomolecules.

Which compound forms when carbon dioxide diffuses and reacts with seawater?

A. Hydroxide ions
B. Carbonate
C. Bicarbonate
D. Carbonic acid

Answers

Answer:

It's D

Explanation:

When CO2 reacts with water first carbonic acid is produced. then this carbonic acid will transform to H+ and HCO3-.

BUT BECAUSE FIRST CARBONUC ACID IS PRODUCED SO CARBONIC ACID IS CORRECT.

hope you understand.

Your pet dog has 78 chromosomes in each of its body cells. How many chromosomes are in each of its sperm cells?

Answers

Answer:

the answer should be 39

Explanation:

the sperm cell has half as many chromosomes the a regular cell

What is the difference between the tissue and the organ?

Answers

Answer:

A group of cells working together is defined as a tissue and several tissues working together comprise an organ. ... The heart is used as an example of an organ which is made up from muscle and valve tissue.

Explanation:

What is one of the causes of mechanical weathering?
O acid rain
O oxidation
O animal actions
O carbon dioxide
Pls answer cuz I’m too dumb and didn’t pay attention in class

Answers

Answer:

C

Explanation:

Answer: c. Animal actions

Explanation:

Astronauts on a spaceship in outer space notice their instruments detect energy from the Sun. Which of the following provides evidence that the Sun’s energy is moving through outer space?
A. Molecular collisions of visible light and infrared radiation
B. Electromagnetic radiation in the form of radio waves
C. Electromagnetic radiation in the form of matter
D. Molecular collisions of gas atoms

Answers

I believe the answer is B. Electromagnetic radiation in the form of radio waves. (Please Mark brainliest if correct )

The statement that provides evidence that the Sun’s energy is moving through outer space is electromagnetic radiation in the form of radio waves.

What do you mean by Radio waves?

Radio waves may be defined as electromagnetic waves enclosing a wavelength between 1 millimeter and 30,000 meters, or a frequency between 10 kilohertz and 300,000 megahertz. These waves are used in radio, television, and satellite communications.

The Sun's energy consists of UV radiations but these radiations are not consumed by radio waves, resulting in the consumption of electromagnetic radiation on the Earth's surface.

Therefore, the statement that provides evidence that the Sun’s energy is moving through outer space is electromagnetic radiation in the form of radio waves.

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planting selectmaterial in low quality? please answer my question​

Answers

Answer:

Whats your question

Explanation:

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Fecal coliform is an indicator of what type of disease?

Answers

Answer:

Explanation:

Some waterborne pathogenic diseases include typhoid fever, viral and bacterial gastroenteritis and hepatitis A. The presence of fecal contamination is an indicator that a potential health risk exists for individuals exposed to this water.

Answer:

Thermotolerant coliform bacteria (commonly referred as fecal coliforms) are the group most frequently used as indicators of fecal pollution because they behave in a similar way to most pathogenic bacteria in the environment, and, during treatment, they are abundant and easy to determine.

The force that pulls falling objects toward earth is called

Answers

Answer:

The answer is gravity: an invisible force that pulls objects toward each other. Earth's gravity is what keeps you on the ground and what makes things fall. An animation of gravity at work. Albert Einstein described gravity as a curve in space that wraps around an object—such as a star or a planet.

Which of the following fur colors are possible males? Choose all that apply Remember that the gene for white spots is on an autosome, and the gene on the X chromosome .

Answers

The fur colors which are possible are black, black and white, orange, orange and white.

What do you mean Autosome?

An autosome may be defined as the gene in question is located on one of the numbered, or non-gender, chromosomes.

Here, the S genes for white spots are located on an autosome, while the O genes are located on the X chromosome. Hence, the resulting offspring possess the fur colors of black, white, and orange.

Therefore, the fur colors which are possible are black, black and white, orange, orange and white.

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The fur colours which might be viable are black, black and white, orange, orange and white.

Here, the S genes for white spots are positioned on an autosome, whilst the O genes are positioned at the X chromosome. Hence, the ensuing offspring own the fur colours of black white, and orange.

What do you suggest Autosome?

An autosome can be described because the gene in query is positioned on one of the numbered, or non-gender, chromosomes.

Therefore, the fur colours which might be viable are black, black and white, orange, orange and white.

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Removing a specific group of trees within a small area over a long period of time is
a. clearcutting
b. seed tree cutting
C. group selection
d. single tree selection

Answers

Answer:

C. group

Explanation:

Removing a specific group of trees within a small area over a long period of time is group selection. The correct option is C.

What is group selection?

A quantitative definition of group selection is when the average group fitness is greater or less than the mean of the fitness values of the individual members.

Another definition of group selection is when features evolve in accordance with the fitness (survival and reproductive success) of groups.

The conclusion was that although group selection is theoretically feasible, in practice it almost always favors one group over another.

Group selection is the long-term removal of a certain group of trees in a constrained region. In a clearcut, all the trees in a specific region are taken out at once.

The removal of shelterwood cutting clears an area's also clears land cleared for shelterwood cutting, which also involves cutting downing shelterwood cutting, but it is a completes a method of clearing

Thus, the correct option is C.

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Select from the drop-down menu to correctly complete the statement.
Different types of cells within an organism A do not have any function B serve a different function C can survive on they're own B are all the same

Answers

Answer:

b they all serve a differnt function

Explanation:

Different types of cells are present within an organisms serve different function.

What is cell?All living organisms are made up of cells, which are the basic building components. There are billions of cells in the human body. They support the body's structure, absorb nutrients from meals, transform those nutrients to energy, and perform specific activities. Cells also carry the body's genetic material and have the ability to replicate themselves.A cell is a cytoplasmic mass that is outwardly bound by a cell membrane. Cells are the smallest structural units of living matter and make up all living things. They are usually tiny in size. Most cells have one or more nuclei, as well as additional organelles that perform various functions.In unicellular and multicellular organisms, cells act differently. A unicellular creature relies on only one cell to conduct all of its duties. A multicellular organism contains cells that specialize in distinct roles and work together to maintain the organism.

Hence the correct option is B.

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Write two differences between the unicellular and multicellular organisms.

Answers

Explanation:

Unicellular organisms contain one cell and all of their functions are based on that one cell whereas multicellular organisms contain more than one cell and there functions are divided amongst different cells like nervous cells, cardiac muscle cells etc..

Unicellular organisms are composed of a single cellMulticellular organisms are composed of more than one cellSimple body organizationComplex body organizationA single cell carries out all necessary life processesMultiple cells perform different functionsThe total cell body is exposed to the environmentOnly the outer cells are exposed to the environmentDivision of labour is at the organelle levelDivision of labour is at cellular, tissue, organs and organ system levelIncludes both eukaryotes and prokaryotesIncludes only eukaryotes

PLS HELP!!!!
What process forms stalactites and stalagmites?

Answers

Answer:

As the redeposited minerals build up after countless water drops, a stalactite is formed. If the water that drops to the floor of the cave still has some dissolved calcite in it, it can deposit more dissolved calcite there, forming a stalagmite.

As the redeposited minerals build up after countless water drops, a stalactite is formed. If the water that drops to the floor of the cave still has some dissolved calcite in it, it can deposit more dissolved calcite there, forming a stalagmite. Speleothems form at varying rates as calcite crystals build up.

Which statement accurately describes the energy needs for photosynthesis and cellular respiration

Answers

photosynthesis uses solar energy to convert inorganics to energy-rich organics; respiration breaks down energy-rich organics to synthesize (hoping that helps)

Answer:

Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.

Explanation:

Choose all the answers that apply.

The speed of evaporation _____.

decreases as temperature decreases
increases as temperature increases
increases as surface area increases
decreases as surface area decreases

Answers

Answer:

increases as the temperature increases

Explanation:

this this happens because when water gets hot it separates from his own molecules creating less friction from the water allowing it to evaporate faster as heat increases

Answer:

increases as surface area increases

Explanation:

Include captive breeding, laws and treaties, and habitat preservation

Answers

These activities include habitat destruction, poaching, pollution, and the introduction of exotic species. Three successful approaches to protecting biodiversity are captive breeding, laws and treaties, and habitat preservation. The number of different species in an area.

6. What develops when cells undergo metastasis? O cleavage furrows O metaphase plates sister chromatids O malignant tumors​

Answers

Answer: Malignant tumors

if you want mark brainlest.

What happens when weathering and erosion work together?

Answers

Search Results
Featured snippet from the web
is dissolved, worn away or broken down into smaller and smaller pieces. Once the rock has been weakened and broken up by weathering it is ready for erosion. ... Erosion happens when rocks and sediments are picked up and moved to another place by ice, water, wind or gravity.

What is the “self”? When we say “myself” or “yourself” what are we referring to?

Answers

Answer:

when you say self you are to the body, so when you say myself you are basically saying my body, my awereness.  And when you say yourself  it means their body.

Explanation:

Answer:

yourself is said to another person and you say yourself mean you and my self also means you but not used the same way.

Explanation:

hope this helps.

Glad to help

PLZ HURRY

Use the information from the article to answer the question.

Meteors

Which statements apply to meteors?

Meteors are bits of material falling through Earth's atmosphere.
Meteor showers are associated with asteroids.
Meteors create a streak of light.
The largest meteor found has a mass of 54,000 kg.
Meteor showers occur in the autumn and winter.

Answers

Answer:

Meteors are bits of material falling through Earth's atmosphere

Meteors create a streak of light

While meteors are associated w asteroids, meteor showers are more associated with comets

Meteor showers can occur when ever but there are annual showers that will occur ea yr

Answer:

1.Meteors are bits of material falling through Earth's atmosphere.

3.Meteors create a streak of light.

Explanation:

TRUST ME

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