Answer:
Eukaryotic cells have membrane-bound nucleus while prokaryotic cells do not have.
During a chemical reaction, the number of atoms
A stays the same
B increases
C decreases
D fluctuates
During a chemical reaction, the number of atoms stays the same
Atoms of elements are involved in chemical reactions. Atoms of different elements combine together to form molecules or compounds. According to the law of conservation of mass, matter cannot be created nor destroyed. This means that the number of atoms (matter) in the reaction does not increase or decrease but rather, stay the same.Atoms only get rearranged as they form new molecules and compounds, they however, do not change during chemical reactions.
Hence, atoms stay the same during chemical reactions.
Learn more: https://brainly.com/question/14502981?referrer=searchResults
only bones form fossils
true or false
quick pls !!
The enzyme changes the substrate to create a _______.
Answer: an enzyme products complex.
Explanation:
To catalyze a reaction, an enzyme will grab on (bind) to one or more reactant molecules. These molecules are the enzyme's substrates. This forms the enzyme-substrate complex. The reaction then occurs, converting the substrate into products and forming an enzyme products complex.
I’m which situation would it be least likely for a scientist to revise her experimental methods
Answer:
i really dont know yoy have to give more information sorry but you cant search it in gogle
What are all the steps in a descriptive investigation?
Explanation:
Make an observation about a phenomenon (qualitative and/or quantitative)
Ask a research question.
Hypothesize a possible answer for your question.
Create a procedure to test your hypothesis.
Identify what you are testing.
Identify your control group/experimental group.
ANSWER B C AND 6 PLEASE AND TY USE INTERNET
Which of the statements below correctly compares features of plant and animal cells?
Plant cells have a cell membrane, while animal cells have both a cell wall and a cell membrane.
Plant cells have ribosomes only on the rough ER, while animal cells have ribosomes in the cytoplasm.
Plant cells have a large central vacuole, while animal cells have many smaller vacuoles.
Plant cells have chloroplasts but no mitochondria, while animal cells have mitochondria.
Plant cells have a large central vacuole, while animal cells have many smaller vacuoles. Hence option c is correct.
What are vacuole?Vacuole is defined as a region of cytoplasm-free, membrane-lined, and liquid-filled space inside a cell. A membrane-bound cell organelle known as a vacuole. The plant cell's equilibrium depends heavily on the vacuole. It participates in the regulation of cytoplasmic ions, pH, and the control of cell volume and turgor.
Animal cells lack a cell wall, whereas plant cells do. Animal cells lack chloroplasts while those of plants do. Animal cells have many little vacuoles, but plant cells only have one giant vacuole. Animal cells only have a cell membrane, but plant cells have both a cell wall and a cell membrane. Cell walls are used by plants to give the plant structure. Animal cells lack the organelles known as chloroplasts that are present in plant cells.
Thus, plant cells have a large central vacuole, while animal cells have many smaller vacuoles. Hence option c is correct.
To learn more about vacuole, refer to the link below:
https://brainly.com/question/13948086
#SPJ12
Based on the structures, a student claims that the animal cell contains complex structures that are absent in the bacterial cell. Which statement can the student make to support the claim?
(a) Animal cell contains flagella that aids in locomotion that is absent in case of a bacterial cell.
(b) Nuclear material of the bacterial cell is not enclosed in a nuclear envelope as in case of an animal cell. *
(c) Cytoplasmic content of the bacterial cell is not enclosed in a thick cell wall as in case of an animal cell.
(d) Animal cell contains ribosomes spread across the cell whereas in case of bacterial cell they are clumped together.
The answer is b. since bacteria are prokaryotes.
whould the prarie be considered an open or closed ecosystem? why?
Data becomes reliable when it is replicable and gives evidence without ______
Data becomes reliable when it is replicable and gives evidence without errors.
(by Benjemin)
Explain why men should not accuse women of not delivering male child for them
Men should not accuse women of not delivering a male child for them because they are not responsible for determining the gender of the child. It all depends on the fusion of chromosomes.
How zygote is formed?The Zygote is formed after the successful fusion of male and female gametes.
Women bear both XX chromosomes, while men bear one X and one Y chromosome. It is a biological phenomenon of fusing these sets of chromosomes and determining the gender of the child.
Therefore, it is well described above.
To learn more about Chromosomes, refer to the link:
https://brainly.com/question/953045
#SPJ1
Susan tried to make bread using dry yeast. When
she mixed the yeast with plain flour, she found that
her bread did not rise after half an hour. Explain how
you can help Susan solve the problem
Yeast is a fungus. It is used in many dishes to make fermentation. In making bread, the yeast is made active by putting it into warm water. Then, it is used in making bread, the flour will rise.
What is yeast?Yeast is a fungus that is used in the process of fermentation. Yeast is a single called eukaryotic organism that comes under the fungus kingdom. Yeast cells grow very faster than animal cells. Yeast cells are used to make bread and cakes. It is also used for alcohol making and baking process.
It usually remains inactive when it is added to the food material, but when it is added to warm water or thing, it becomes active and its cells increase in size.
Thus, as a fungus, yeast is. Fermentation is created using it in many different meals. The yeast is activated throughout the bread-making process by soaking it in warm water. The flour will then rise when it is used to make bread.
To learn more about yeast, refer to the link:
https://brainly.com/question/28213330
#SPJ2
What happens during G1 phase?
Answer:
please mark me brainliest
Explanation:
G1 phase. G1 is an intermediate phase occupying the time between the end of cell division in mitosis and the beginning of DNA replication during S phase. During this time, the cell grows in preparation for DNA replication, and certain intracellular components, such as the centrosomes undergo replication.
The orbital radius of Venus is 0.72 AU. What is this distance in kilometers? (One AU is about 150 million kilometers.)
Which best describes the sex chromosomes in humans?
• A. Males have two different chromosomes.
• B. X Females have one X and one Y chromosome.
• C. Males have two X chromosomes.
• D. Males have two Y chromosomes.
What is the continuous interrelationship between the living and non living things in a certain place
Answer:
The relationship between the living and non-living things forms an ecosystem. Non-living things like water, air, soil, and others are required by the living organisms for leading their life cycle. Thus this can be said that both living and non-living things are interdependent on each other and forms an ecosystem
Jorn has 750 cm of lite
string but he needs 9
metors. How many more
cm does he need?
Answer:
150cm
Explanation:
There are 100cm in 1m so we can multiply to found how many centimeters we need.
9 * 100 = 900cm
Now we can subtract to find how many more centimeters we needs.
900 - 750 = 150cm
Best of Luck?
24. Approximately how wide is each time zone?
a. 15"
b. 30°
e. 60°
d.180°
1. Qué aprendí sobre el sistema Excretor Humano? 2. Qué aprendí sobre el sistema Excretor de los Animales? 3. Qué aprendí sobre el sistema Excretor de las Plantas?
Answer:
1.El aparato excretor se encarga de expulsar de nuestro cuerpo los desechos. Para ello utiliza el sistema urinario y las glándulas sudoríparas. El sistema urinario filtra la sangre para limpiarla de desechos y produce la orina. Las glándulas sudoríparas producen el sudor y regulan la temperatura de nuestro cuerpo
2.Su función es eliminar mediante un proceso de filtración los productos de deshecho resultantes del metabolismo celular o incorporados desde el medio ambiente, por ejemplo durante la alimentación, exceso de sal en las aves marinas, etcétera. El principal sistema de excreción en los animales es el sistema urinario
3.La excreción en plantas es para extraer sustancias que luego pueden ser utilizadas por ellas mismas para realizar sus funciones de fotosíntesis y de respiración, o bien, acumularla en sus vacuolas para sustancia de reserva. ... Se pueden acumular en vacuolas o espacios intercelulares
_____ function as mineral traps because of the mixing of salt and freshwater
Group of answer choices
ponds
estuaries
deltas
Oceans
Answer the following questions based on the graph just completed.
1. What is an appropriate title?
2. What is the independent variable?
3. What is the dependent variable?
4. If the depth increased to 40 meters, what would be the expected numbers of bubbles/min for
Plant A? I ㅗ
5. If the depth increased to 40 meters, what would be the expected numbers of bubbles/min for
Plant B?
Answer:
2. Depth 3. Number of bubbles
Explanation:
2. Depth
3. Number of bubbles
PLEASE HELP IM STRUGGLING PLEASE
If a group of scientists wants to begin the creative process for designing a robot, which would most likely be the first step in their work?(1 point)
researching ideas for the robot design
thinking about what the robot should be able to do
creating a vision for how the robot should look
brainstorming ideas about different robot designs
What step would occur first if scientists used the creative process to develop fuel out of plants?(1 point)
They identify ways that the fuel can be used commercially.
They determine which plant to use for fuel.
They are inspired by other alternative fuels to find a new plant fuel.
They design a process to extract fuel products from a plant.
The creative process consists of the processes involved in the
development of an idea to its functional finished form by applying a
progressive series of thoughts and actions
Part A: The first step of the scientists designing a robot is the option;
Thinking about what the robot should be able to do
Part B: The first step of the scientists using the creative process to develop fuel out of plants is the option;
They determine which plant to use for fuel
The reason for arriving at the above choices is as follows;
Part A: Steps involved in the creative process are;
Point out the goals and opportunities of having the robot, including contemplating on what the robot should be able to doResearch to obtain information about inputs and the details of the robotsOutline the robot design challengesBrainstorm robot design ideasBuild and improve on a prototype of the robot that represents the appearance and functioning of theBuild finished modelIntroduce finished model and evaluateBased on the steps of the creative process, the option which will most likely be the first step of the scientists that want to begin the creative process of designing a robot is thinking about what the robot should be able to do
Part B: Based on the creative process outlined above, the option which is
the the first step in the creative process to develop fuel out from plants is
to point out the plants that provide opportunities to be used as fuels
Therefore, the first step is that; They determine which plant to use for fuel
Learn more about the creative process here:
https://brainly.com/question/20589373
Use the scenario to answer the question.
You observe the growth of a group of plants that have been tipped over.
How will auxin influence cell growth in the roots of these plants?
Auxin will build up on the lower side of the root and inhibit cell growth.
Auxin will build up on the lower side of the root and stimulate cell growth.
Auxin will build up on the upper side of the root and inhibit cell growth.
Auxin will build up on the upper side of the root and stimulate cell growth.
Auxin is responsible for the growth of cells in the roots of plants. Auxin build up on the lower side of the root which inhibit the cell growth. Auxins have an inhibitory effect on primary root growth. Thus, the correct option is A.
What is Auxin?Auxin is a plant growth hormone, which promotes cell growth and elongation of the plant. In cell elongation, auxin alters the plant wall plasticity making it easier for the plant to grow upwards. Auxin also influences the rooting in the plant.
Auxins have an impact on the growth of roots. Auxins facilitate the initiation of roots in plants. These hormones induce both growth of root branching (root initiation) and roots that are pre-existing. They also play important role in the formation of the adventitious root.
Therefore, the correct option is A.
Learn more about Auxins here:
https://brainly.com/question/16939476
#SPJ2
What is a season?
a period in which leaves age
a period of reduced growth in plants
a part of the year that has a unique amount of daylight or precipitation
the part of the year in which a plant drops its leaves
Answer:
a part of the year that has a unique amount of daylight or precipitation
Explanation:
A steel bar has a mass of 80 kilograms and a density of 8,000 kilograms per cubic meter.
Calculate its volume.
Write your answer to the hundredths place.
Volume = Mass/density = 80/8000= 0.01 M³
How do bacteria evolve?
Answer:
bacteria.evolve due to the various heritable genetic changes
Suppose a rural community lives at the top of a mountain. They hold a community meeting to discuss the following options to use as their main energy source; Hydro-power, wind energy, or biofuel. List their options from the ideal to the least ideal. Explain your answer.
Please answer ASAP... Ill give brainliest
what is photosynthesis
Answer:
The process by which green plants make their own food (like glucose) from carbon dioxide and water by using sunlight energy (in the presence of chlorophyll) is called photosynthesis.
Hope it helps youThere’s a saying in brain science based on the work of Donald Hebb: neurons that fire together, wire together. The more they fire together, the more they wire together. In essence, you develop psychological resources by having sustained and repeated experiences of them that are turned into durable changes in your brain. You become more grateful, confident, or determined by repeatedly installing experiences of gratitude, confidence, or determination. Similarly, you center yourself increasingly in the Responsive, green zone – with an underlying sense of peace, contentment, and love – by having and internalizing many experiences of safety, satisfaction, and connection.
Answer:
Eso se llama
Explanation:
Tener confianza en sí mismo
SALUDOS...
Which two organisms share the most characteristics?
a lizard and a pigeon
a salamander and a chimp
a chimp and a mouse
a perch and a mouse
Answer:
a. lizard and a pigeon..