Answer:
A and C
Explanation:
If an elements has two or more atoms with the same number of protons but different number of neutrons it is called a(n) _____________.
Question 2 options:
isotope
neutron
electron
none of the above
Answer:
electron
Explanation: The reason for electron is because when an atom has neutrons and protons but a different number of neutrons it is called an electron
IF it wasn't helpful sorry :(
Cells can best be described as
Cells can best be described as the fundamental units of life. They are the building blocks of all living organisms, including plants, animals, and even microorganisms.
Here are some key characteristics that describe cells:
1. Structure: Cells have a defined structure with a plasma membrane that separates the internal components of the cell from the external environment. Inside the cell, there is a variety of organelles, such as the nucleus, mitochondria, and ribosomes, each playing a specific role in cell function.
2. Function: Cells carry out various functions necessary for life. They perform metabolic processes, such as respiration, photosynthesis, and protein synthesis. Cells also maintain homeostasis, which involves regulating internal conditions to keep the cell functioning optimally.
3. Reproduction: Cells have the ability to reproduce. They can divide and create new cells through processes like mitosis and meiosis. This ensures the growth, development, and repair of tissues and organs.
4. Genetic Material: Cells contain genetic material in the form of DNA (deoxyribonucleic acid). DNA carries the instructions for cellular activities and determines the characteristics of an organism. It is organized into genes, which are passed on from one generation to the next.
5. Specialization: Cells can be specialized to perform specific functions within an organism. For example, muscle cells contract to enable movement, while nerve cells transmit electrical signals for communication. This specialization allows multicellular organisms to have different cell types that work together to maintain overall function.
Overall, cells are the basic structural and functional units of life. They are responsible for all the processes necessary for an organism's survival and are crucial for maintaining life's complexity and diversity.
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What is the initial source of the energy in all food webs and food chains? Explain please
Answer:
The sun
Explanation:
The sun provides the light energy that plants need in order to produce glucose the animals gain after eating the plants or the animals that ate the plants.
The initial and ultimate source of the energy in all types of food webs and food chains is the Sun.
What is the primary source of energy?The Sun is the major source of energy for living organisms and the ecosystems of which they are a part on the Earth. Producers are the organisms of the food chain which produce energy such as plants, algae, and cyanobacteria. These organisms use the energy from sunlight to make organic matter from that of carbon dioxide and water molecules. This establishes the beginning of energy flow through almost all the food webs.
The light which is coming from the sun allows the green plants that is the producers to manufacture chemical energy which fuels all the cellular functions. In turn once the plants are eaten, this chemical energy and nutrients are transferred to the consumers and to other higher organisms.
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Which of these is a benefit of naturally occurring forest fires? A) They spread the seeds of some trees. B) They allow the forest to become dense. C) They cause the forest canopy to thicken. Eliminate D) They allow ladder trees to entwine with large trees.
Answer:
A
Explanation:
Here, we want to pick which of the options is a correct answer to being the benefit of naturally occurring forest fires.
The correct answer is that they help to spread the seeds of some trees.
Naturally occurring forest fires ravages the forest and thus work with wind force. They proceed through the entirety of the forest from the point in which they start.
By moving from a particular point in the forest to another point in the forest, they allow for the process of mass movement to naturally occur.
By translocation from one point to another, they take the seeds alongside with them and thus allows for the dispersal of these seeds through the forest
Answer:
the correct answer is A
Explanation:
Cell that has a nucleus but not a wall would best be described as
Answer:
organell
Explanation:
Answer:
Animal cell
Explanation:
Animal cells do not have a cell wall but have a nucleus
Describing Water Molecules Which of these statements would be true if the water molecule was linear instead of bent? Check all that apply. Water molecules are polar. Water molecules are nonpolar. Water molecules undergo hydrogen bonding. Water molecules have a linear geometry. Water molecules have a bent geometry.
Answer: These are the correct answers...
-Water molecules are polar
-Water molecules undergo hydrogen bonding
- Water molecules have a bent geomtry
Hope this helps whoever needs it
The statements that are correct about water molecules are:
Water molecules are polar. Water molecules undergo hydrogen bonding.Water molecules have a bent geometry.Water is polar molar due to the unequal sharing of electrons between the atoms and the unsymmetrical shape of the molecule means that a water molecule has two poles - a positive charge on the hydrogen pole (side) and a negative charge on the oxygen pole (side).Water molecules forming hydrogen bonds with one another.Water has a bent shape is that the two lone pair of electrons are on the same side of the molecule.Learn more:
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Plants respond to all of the environmental stimuli listed except
A. the length of nights.
B. hormones.
C. loud noises.
D. temperature.
Answer:
C - Loud Noises
Explanation:
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Please help me identify the parts of this cell: No trick answers please
Answer:
1- membrane
2- ribosomes
3- mitochondrion
4- rough ER
5- dna
6- nucleolus
7- cytoplasm
8- nucleus
9- smooth ER
10- vesicles
11- golgi body
12- lysosome
Explanation:
Hundreds of years ago, a volcanic eruption killed many plants and animals on a tropical island. Today, the island looks much as it did before the eruption. Why is this true? Destroyed ecosystems always return to their exact original state. Altered ecosystems only regain stability from the development of grasses. Geographic barriers prevent the migration of animals to island habitats. Destroyed environments can recover through ecological succession.
Answer:
Destroyed environments can recover through ecological succession.
Explanation:
Ecological succession describes a progressive change in the species in an ecological community over time.
This can happen after some disturbance such as a fire, earthquake, or volcanic eruption. It can mean that a e can return to the state it was before the event.
Explain the relationship between mutations adaptations, natural selection
and extinction
Answer:
Natural selection is where positive traits survive more, allowing those to become more common. Mutation is where radioactivity changes genes in a random way. Natural selection allows positive mutation to become more common. Adaptation is where natural selection works for a species specifically more a new habitat.
Explanation:
Read each research question below. Identify the IV, DV, and CV of each experiment.
What amount of sunlight makes pea plants grow tallest?
IV:
DV:
CV:
Which type of soda has more sugar: Brand X, Brand Y, or Brand Z?
IV:
DV:
CV:
Is the height of a ball’s bounce affected by the height from which the ball is dropped?
IV:
DV:
CV:
Which battery will last the longest: Superlast or Energy Star?
IV:
DV:
CV:
5. Is the water temperature of Lake Michigan affected by the depth of water?
IV:
DV:
CV:
The factors that are kept the same in an experiment. ________
The is also known as the responding variable. ________
This is the one thing that is changed by the experimenter. _______
This is also called the manipulated v
Answer:
This question has many subsections, the answers to the questions are below
Explanation:
Independent variable (IV) is the variable that is changed or manipulated by the experimenter while the dependent variable (DV) is the variable that is being measured in an experiment. The control variable (CV) is the variable that is kept constant throughout the experiment. The DV, IV, and CV for the following experiment are:
Independent variable (IV) is the variable that is changed or manipulated by the experimenter while the dependent variable (DV) is the variable that is being measured in an experiment. The control variable (CV) is the variable that is kept constant throughout the experiment. The DV, IV, and CV for the following experiment are:
1. What amount of sunlight makes pea plants grow tallest?
IV: Amount of sunlight
DV: Height of pea plant
CV: Same pea plant, Water
2. Which type of soda has more sugar: Brand X, Brand Y, or Brand Z?
IV: Type of Soda
DV: Sugar content
CV: Same volume of soda
3. Is the height of a ball’s bounce affected by the height from which the ball is dropped?
IV: Height from which ball is dropped
DV: Height of ball's bounce
CV: Same weight of ball, same size of ball
4. Which battery will last the longest: Superlast or Energy Star?
IV: Type of battery
DV: longevity of battery
CV: Same usage period
5. Is the water temperature of Lake Michigan affected by the depth of water?
IV: Depth of water
DV: Water temperature
CV: Same lake
The factors that are kept the same in an experiment is the CONTROL VARIABLE
The is also known as the responding variable- DEPENDENT VARIABLE
This is the one thing that is changed by the experimenter- INDEPENDENT VARIABLE
This is also called the manipulated variable- INDEPENDENT VARIABLE
26. If there is a waxing gibbous moon on June 2, then when is the next waning gibbous phase?
Answer:
June 30th or July 31st
Explanation:
a waxing gibbous moon occurs every 29.531 days
Which molecule is a source of carbon, hydrogen, and oxygen atoms for making proteins?
water
salts
carbohydrates
carbon dioxide
Which section of the Venn diagram represents the contents of the nucleus?
temperature at which air becomes fully
saturated
Answer:
it saturated the air becomes fully in temperature
Explanation:
for your air
EXTRA PTS* Liquids and gases both do not have a definite ______
Answer:
shape
Explanation:
gases and liquids have very spread out particles and contain no particular shape. instead, they take the shape of whatever contains them. on the other side, a solid has a particular shape as the molecules are close together.
The ADP-ATP cycle is critical to producing cell energy. What do you know about this cycle? (More than one answer)
1. On average, 34-36 molecules of ATP are gained through the process of aerobic cellular respiration from
one glucose molecule.
2. When phosphate is added to ADP, free energy from food sources is stored in the phosphate bond,
producing ATP.
3. The hydrolysis of ATP to ADP is reversible.
4. When a phosphate group is removed from ATP by hydrolysis, ADP is produced and energy is stored for
cellular processes.
5. Only aerobic cellular respiration is used to break down glucose into ATP that is usable by the cell.
6. Glycolysis is the first step in both aerobic and anaerobic cellular respiration.
The ADP-ATP cycle is critical to producing cell energy, it is known about this cycle -
1. On average, 34-36 molecules of ATP are gained through the process of aerobic cellular respiration from one glucose molecule.2. When phosphate is added to ADP, free energy from food sources is stored in the phosphate bond, producing ATP.3. The hydrolysis of ATP to ADP is reversible.6. Glycolysis is the first step in aerobic and anaerobic cellular respiration.Cellular respirationIt includes biochemical reactions in which different organic compounds are entirely degraded, through oxidation, and converted into inorganic substances that serve as a source of usable energy for the cell.
It is of two two one takes place in the presence of oxygen, aerobic, and the other in absence of oxygen, anaerobic cell respiration. However, both processes involve glycolysis as their first step.
The production of energy requires ATP hydrolysis to the ADP where is the production of ATP takes place phosphate is added to ADP, free energy from food sources is stored in the phosphate bond.
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Select the correct answer.
In ruminants, which stomach functions like the stomach of a monogastric animal?
A. rumen
B. reticulum
c. omasum
D. abomasum
Which of the following is NOT a
form in which water can exist on
Earth?
A. gas
B. solid
C. plasma
D. liquid
Answer:
plasma
Explanation:
becaus gas is steam you can boil water and get steam solid because of ice and liquid because of water
What happened to the water in the 1st stages of photosynthesis?
The water realeases and forms into oxygen gas and hydrogen ions
Answer:
The energy of the sunlight is absorbed by the chloroplast. The water reacts in sunlight to form one glucose molecule and the water releases oxygen as that is part of it's role.
Explanation:
CO₂ is an example of a compound. True or false?
Answer:
True
Explanation:
Carbon dioxide, CO2, is a chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom. It is exhaled by animals and utilized by plants during the process of photosynthesis.
Draw and label a diagram showing the
three population dispersion patterns.
Answer:
Hope it help you
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Explanation:
NOTE - ANSWER IN PHOTO
REAL NAME - SHRESTH DUBEY
Individual organisms making up a population may be evenly distributed, randomly distributed with no discernible distribution pattern or grouped together. These distribution patterns are called uniform, random, and clumped.
Distribution patterns (also known as species dispersion patterns) refer to the distribution of individuals within a population at any point in time.
Dispersion is the process of a group of living things expanding the area or range in which they live. Dispersion occurs when individual organisms move from the area that they occupied before, or where they were born, to new areas.
Uniform means the population is uniformly distributed, random means the population is randomly distributed, and clustered means the population is clustered.
The labeled diagram showing the population distribution patterns is given below.
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All are characteristics of DNA, EXCEPT
Group of answer choices
being single-stranded.
having deoxyribose sugar.
being double-stranded.
having four nitrogenous bases.
State two functions of proteins
Answer:
Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance. Your body needs protein for growth and maintenance of tissues. Some proteins are hormones, which are chemical messengers that aid communication between your cells, tissues and organs.
Answer: Some proteins help cells keep their shape, others help build muscle tissue, and others help break down chemicalsSome proteins help cells keep their shape, others help build muscle tissue, and others help break down chemicals
Explanation: Hope this helps :)
Which of the following is the most obvious type of problem that could be caused by inadequate sewage treatment?
1.Acid Rain
2.Noise pollution
3.Radioactivity
4.Water pollution
Answer:water pollution
Explanation:
Please help I’ll do anything nowwwe
Answer:
Exocytosis definition and purposes. Exocytosis is the process by which cells move materials from within the cell into the extracellular fluid. Exocytosis occurs when a vesicle fuses with the plasma membrane, allowing its contents to be released outside the cell.
Explanation:
I hope this helps some. Please give Brainliest!
Looking at the atomic model, which particle is shown in yellow?
Question 4 options:
nucleus
protons
electrons
neutrons
Answer:
electrons :))
Explanation:
i took the test lol
Please help me out ......
I only need part a and b
Award 80 points!b
What stage of mitosis is indicated in the picture below: (Whitefish blastula slide)
A Prophase
B Metaphase
C Interphase
D Anaphase
E Telophase
Answer:
c or b more likew c
Explanation:
Answer:
Metaphase on edge
Explanation: