.
What is a blastula?

a hollow ball of cells
a hollow tube of cells
a solid ball of cells
a long sheet of cell

Answers

Answer 1
a hollow ball of cells

Related Questions

How do heterotrophs get energy? Explain.

Answers

Answer:

A heterotroph is an organism that eats other organisms.

Explanation:

Heterotrophs get energy by hunting and eating other living organisms.

Hope this helped!!

Please answer the questions that have “type here”

Earth science

Answers

Answer:

Earth science or geoscience is the study of the Earth's structure, properties, processes, and four and a half billion years of biotic evolution.  Understanding these phenomena is essential to the maintenance of life on the planet. There are four basic areas of Earth science study:

Geology: Science of the EarthMeteorology: Science of the AtmosphereOceanography: Science of the OceansAstronomy: Science of the Universe

Describe at least three large - scale detrimental consequences of rising temperatures

Answers

Answer:

En primer lugar hay que decir que en contra de lo que puedan pensar muchas personas, el aumento de las temperaturas es una realidad. De hecho, no hay más que ver algunos datos comparativos para darse cuenta, por ejemplo, de que la temperatura de los polos ha aumentado considerablemente en el último siglo.

En primer lugar y por encima de todo tenemos que tener muy claro que el hábitat está cambiando de una manera abismal por lo que la vida del ser humano en La Tierra cada vez es más complicada. Si a esto le unimos el hecho de que nosotros no somos el único ser vivo cuya vida se complica, podemos concluir que muchas especies no serán capaces de adaptarse a estos cambios por lo que morirán. Un cambio que se puede llevar consigo gran parte de las cosechas que existen a día de hoy.

 

Una serie de consecuencias que lejos de ser catastróficas son más que plausibles. Es cierto que del mismo modo que esta situación se puede dar, no es menos cierto que todavía hay opciones de revertir la situación. La pregunta, sin embargo, es saber si el ser humano está dispuesto a ello.

Explanation:

help..................................................

Answers

Option F. It is moist and cool with decaying debris.

Answer:

F. It is moist and cool with decaying debris.

Explanation:

I know this because an earth room always needs their supplement from the dirt in order to stay moist and wet during any weather.

Genetic Variation:Question 8
The process of meiosis results in four nuclei, each of which is
haploid and has a single set of unreplicated chromosomes. The
genetic composition of each single set of chromosomes differs from
the other sets of chromosomes due to the?

Answers

Answer: Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

By the end of meiosis, the resulting reproductive cells, or gametes, each have 23 genetically unique chromosomes. The overall process of meiosis produces four daughter cells from one single parent cell.

Explanation:

During meiosis, homologous chromosomes (1 from each parent) pair along their lengths. The chromosomes cross over at points called chiasma. At each chiasma, the chromosomes break and rejoin, trading some of their genes. This recombination results in genetic variation.

Which celestial objects are formed mostly of the elements hydrogen and helium?


gas giantsgas giants , ,

rocky planetsrocky planets , ,

asteroidsasteroids , ,

dwarf planets

Answers

with 75% of their mass being hydrogen and 25% helium.

Celestial objects that are formed mostly of the elements hydrogen and helium are gas giants and dwarf planets. Gas giants are large planets, such as Jupiter and Saturn, which are composed primarily of hydrogen and helium.

What is the reason of calling them Jovian planets ?

These planets are also known as Jovian planets, and they are much larger than the terrestrial planets, such as Earth, that are made up of rock and metal. Gas giants have no solid surface and are composed mostly of gas and liquid.

Dwarf planets are smaller than gas giants and are made up of a combination of rock and ice. These objects are too small to be considered full-fledged planets, but they still have characteristics of planets such as an atmosphere, moons, and an orbit around the sun.

Although these objects are composed of different materials than gas giants, they still contain significant amounts of hydrogen and helium. In contrast, rocky planets and asteroids are composed of materials such as rock, metal, and ice. Rocky planets, such as Earth, are composed mostly of iron, silicon, magnesium, and other elements

Hence, . Asteroids are small, rocky objects that are found in the asteroid belt between Mars and Jupiter. These objects are composed of rock, metal, and ice, and contain very little hydrogen and helium.

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Is there a relationship between the environment & what an animal looks like?

Answers

Yes there is a relationship w the animal and the environment

which test tube(s) acts a negative contra​

Answers

Answer: b

Explanation:

Which of the following best describes the function of the Golgi apparatus within plant and animal cells?
No links please!

Answers

Answer:

The Golgi apparatus

Explanation:

The Golgi apparatus packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their destination.

What is the most important factor in determining if cancer treatment will be successful?

Answers

You could say what stage the cancer might be if it is early stages the treatment would be successful

An enzyme known as rubisco enables plants to use large amounts of
carbon dioxide. This enzyme is most likely active in the
O (1) nucleus
O (2) vacuoles
O (3) mitochondria
O (4) chloroplasts

Answers

The enzyme rubisco is most likely active in the chloroplasts.  

• In the chloroplasts of the plants, the enzyme rubisco is present.  

• It takes part in fixing atmospheric carbon dioxide at the time of photosynthesis and in oxygenation of the resulting compound at the time of photorespiration.  

Rubisco is the name given to the enzyme ribulose-1,5-bisphosphate, which catalyzes the carbon dioxide entry into the photosynthetic metabolism, monitors the pool sizes of essential photosynthetic intermediates, and provides acceptor molecules, which consume the products of the light reactions of photosynthesis.

Thus, option 4, that is, chloroplasts is correct.

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HELPPPP!!!!!! AG CLASS
Complete the following sentence.

In topiary, the design element of a plant’s natural ____________ has been altered through pruning, trimming, and binding to develop a new and alien shape.

Answers

Answer:

form

Explanation:

EDGE 2021

Answer:

form

Explanation:

What did scientists learn through the Human Genome Project?

A. Where particular genes are located on human chromosomes

B. What every human gene does as well as how it functions

C. How to insert foreign genetic sequences into human DNA

D. When the first humans existed on earth

I don’t know if it is B or C

Answers

It must have been C, as the project was a study was to determine the order of the approx 3 billion bases in the human genome, which is sequencing.

How does the conservation of matter relate to the process of digestion?

Answers

Answer: According to the the law of Conservation of Matter, matter is neither created nor destroyed. ... When matter changes from one form to another, e.g., a portion of beef steak (beef protein) is eaten and digested, the macro-structure of the beef is broken by our digestive enzymes into its component amino acids.

Explanation:


Which is the best type of scientific investigation for Bena to use to study this?

Answers

It’s 7095 Hollywood Blvd, #792, Hollywood, CA 90028, United State I got Charlie’s address

A student claims that the King penguin and Emperor penguin are more closely related to each other. Which of the following evidence would support that? (select all that apply)

Question 2 options:

The penguins are geographically close to each other


The penguins have similar amino acid sequences for Cytochrome B


The penguins look somewhat like each other


The penguin names have a similar theme

Answers

Answer:

The penguins are geographically close to each other

The penguins have similar amino acid sequences for Cytochrome B

The penguins look somewhat like each other

Explanation:

Both King penguin and Emperor penguin are closely related to each other because both lives on the same geographical location which is Antarctica. Both King penguin and Emperor penguin have  similar amino acid sequences for Cytochrome B due to belongs from the common ancestor. Both King penguin and Emperor penguin have similar appearance and look very similar to each other with some differences in their shape which make them different species.

Some ocean plants, such as photosynthetic algae, benefit when dissolved CO2 levels in ocean water are elevated. Complete the
chemical equation by dragging and dropping components of the equation into the boxes that BEST explains how algae use CO2 for
photosynthesis

Answers

Answer:

CO2 + H2O ---SUNLIGHT--------> C6H12O6 + O2

Explanation:

In the process of photosynthesis, carbondioxide reacts with water molecules in the presence of sunlight forming glucose molecules and oxygen gas. The carbondioxide enters the plant body through small openings called stomata, these stomata opens when there is sunlight whereas water enters the plant body through roots from the soil and reaches to the leaves. In leaves both combine produces glucose which can be stored in different parts of the body and some oxygen is used by the plants in the process of respiration and extra is released through stomata.

12. Scientists discover a new species of mouse and want to classily it accurately,
A. organism cloning
B. genome sequencing
C. gene therapy
D. DNA fingerprinting

Answers

Answer:

A

Explanation:

Answer:

A

Explanation:

Summary:Scientists have discovered two new species of 'stilt mice,' semi-aquatic African rodents with extra-long feet that they stand up on like a kangaroo. The mice wade in streams and dip their whiskers onto the water's surface to detect bugs to eat. The researchers also helped clarify these rodents' family tree, which includes a genus that's only ever been collected once, 93 years ago

The zygote is an example of a
cell in humans.
O A. pluripotent
O B. totipotent
O C. placental
O D. multipotent

Answers

Answer:

I think it it c

Explanation:

if not I'm sorry

The zygote is basically an example of totipotent cell in humans. The correct option is B.

What is totipotent cell?

Cell potency refers to a cell's capacity to distinguish into various types of cells. The greater a cell's potency, the more cell types it can differentiate into.

A totipotent cell is a single cell that, when given the proper motherly assistance, can give rise to a new organism.

A totipotent cell is one that can generate all extraembryonic tissues, as well as all body tissues and the germline.

The term "totipotent" refers to a cell that has the ability to split and produce all differentiated body cells, both embryonic and extraembryonic.

Zygotes and spores are instances of totipotent cells in animals.

Thus, the correct option is B.

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Please answer the questions that have “type here”
Earth science

Answers

Answer:

#4 - the lower the pressure the higher the altitude

#12- Light from the Sun passes through the glass roof to heat plants and the ground inside the greenhouse. These objects then emit infrared radiation, which is absorbed in the glass roof. Thermal energy is trapped in the greenhouse, keeping the building warm.

#13 - acid rain

#14- 10 and 25

#15- clouds, weather, etc

Explanation:

I had to find and watch the video to fill out the ones you put "type here". Hope my answers help you. And pls give me a Brainliest. Thank you.

Earthworms help farmers. Many farmers add them to their farmland because they help form rich soil to grow crops in.

Earthworms mix different layers of soil together by carrying humus from the surface down into the subsoil. Humus is a dark-colored substance made up of a variety of materials. Which two of the following are found in humus? NO LINKS OR WILL BE REPORTED ⚠

Answers

Answer:

I think it's A and D

Explanation:

I hope this is right ;)

1. What is the main cause of cancer?

Answers

A number of forces can cause gene mutations, such as smoking, radiation, viruses, cancer-causing chemicals (carcinogens), obesity, hormones, chronic inflammation and a lack of exercise.
Smoking viruses and diseases

Please help!!!!!!!!!!!!!!!!!!!!

Answers

Answer: 4. Cytokinesis. 5. Metaphase. 6. meiosis II. 7. metaphase.

Explanation:

recall what microorganism are​

Answers

Answer:

very very .. tiny tiny tiny organisms

Answer:

a microscopic organism, especially a bacterium, virus, or fungus.

Explanation:


Which cell structures are found in plant, animal and bacterial cells?​

Answers

I think its the ribosome and the vacuole, as the two features are found in those 3 types of cells. Let me know if im mistaken!

How many Chromosomes do humans have?______________________. That would be ___________________ pairs of Chromosomes.

Answers

46 chromosomes that would be 23 pairs of chromosomes

Answer:

46

Explanation:

Stem cells undergo a process known as differentiation in order to become specialized. Specialized cells do not revert back into their undifferentiated form once they have matured. Nucleic acids play a role in the process of differentiation. Which statements describe the relationship between nucleic acids and differentiation? Select ALL that apply.
A) Genes within the genome tend to remain inactivated until their gene products are needed.
B) Once they are differentiated, cells contain additional DNA that programs the cells to be specialized.
C) All cells in an organism, whether differentiated of not, contain a complete genome with the exact same genes. Hindi
D) Stem cells remove part of their genome once they are differentiated so that unnecessary genes cannot be expressed.
E) Transcription factors are present in certain cells that cause specific genes to be transcribed in differentiated cells.​

Answers

A

C

E

(Trust me)

Explanation:

The differentiated cell has specific transcription factors that are present in the cell and cause specific genes to be transcribed. Option E is the correct answer.

What is cell specification?

Cell specification is the process by which a cell determines its fate. After specification, a cell's gene pattern changes. Some genes that are present in euchromatin regions are expressed, and as a result, this cell expresses specific proteins and RNA.

After the zygote is formed, it undergoes a cleavage process to form multiple cells by mitosis. The cells then specify and receive their fate, such as some converting into nervous cells, others into epithelial cells, and still others into blood cells.

This change in structure and function is due to the expression of special genes in DNA. Though all cells have the same genetic content, some genes are present in euchromatin regions and some genes are present in heterochromatin regions. Genes of euchromatin are expressed.

Hence, option E is the correct answer, as the cell produced specific transcription factors.

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_________ is a disease where patients cannot control their blood glucose levels

Answers

Answer:

Causes of type 1 diabetes: This is an immune system disease. Your body attacks and destroys insulin-producing cells in your pancreas. Without insulin to allow glucose to enter your cells, glucose builds up in your bloodstream. Genes may also play a role in some patients.

Explanation:

hope it helps

:D

In your opinion, how does the pancreas regulate the exact amount of glucose to be absorbed into its
target organs through the secretion of insulin?

Answers

Insulin helps the cells absorb glucose, reducing blood sugar and providing the cells with glucose for energy. When blood sugar levels are too low, the pancreas releases glucagon. Glucagon instructs the liver to release stored glucose, which causes blood sugar to rise.

The image best illustrates which change? The image illustrates a human-induced environmental change. O pollution O wildlife hazard O eutrophication O non-sustainable harvesting​

Answers

Answer:

B

Explanation:

i took the unit

Answer:

Yea I think it’s B too

Explanation:

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Monique just finished reading a story. To ______ it, she needs to briefly retell the story in her own words.a)summarizeb)describec)identifyd)characterize Use the distributive property to expand -4 (-2+3x). Which is an equivalent expression?-8/5 + 12x-8/5 - 12x8/5 + 12x8/5 - 12x Management at Enomoto Enterprises has assigned Alberto to work at two different facilities, which will require him to commute an extra 25 miles on the days he must work at both plants. Alberto believes that the negotiated labor-management agreement requires the company to reimburse him for the extra mileage he has to drive. Management disagrees. Alberto has decided to file a charge that management is not abiding by the terms of the negotiated agreement. Alberto's complaint is called a grievance.a. Trueb. False Find the value of x. help please if you understand If you were the President of the USA, who would you nominate for the Supreme Court and why? *please give detailed answer* Find the third side in simplest radical form:2845 Four buses were filled with children and 20 children rode in cars for a field trip. If each bus can hold 58 children, how many went on the field trip? What is the name of side "a" in the right triangle below? The number of members in an organization, M, changes as a function of t months. In which situation is M a linear function of t?The membership doubles every year from the previous year.1.The membership doubles every year from the previous year.2.The membership increases by 1% every month from the previous month.3.The membership decreases by 20 members every month from the previous month.4.The membership increases by 50 members in each of the six warmest months and decreases by 50 members in each of the other six months.The membership doubles every year from the previous year. Please help! Will give brainliest! A conversion factor is a fraction in which the numerator is equal to the denominator.a. Trueb. False The area of a room is represented by the trinomial 3x^2-x-10. If the width of the area is represented by x-2, find the expression that represents the length of the room can you please help me PLEASE HELP!! ITS JUST PERCENTAGES If using the method of completing the square to solve the quadratic equation x^2-9x+2=0x 2 9x+2=0, which number would have to be added to "complete the square"? Enrique has a recipe for fruit punch that uses 12 cups of pineapple juice. He wants triple the recipe for a family party. How many quarts of pineapple juice died Enrique need for the party?A. 9B.10C.36D.4 If you were on a spaceship traveling at 0.50c away from a star, what speedwould the starlight pass you? The Freedmens Bureau provided help in what areas?Check all of the boxes that apply:educationmedical careprotection against racial violenceland disputes and other legal problems The area of the surface of an office desk is 10 square feet. The perimeter is 14 feet. What are the dimensions of the desk? Providing an example from your day-to-day life, explain the functions of the nervous system.