Answer:
Hydrophilic head
Explanation:
The phosphate group is the negatively-charged polar head, which is hydrophilic.
PLEASE MARK AS BRAINLIEST
do plants or animals have mitochndria
Answer:
Both animal and plant cells have mitochondria, but only plant cells have chloroplasts. ... Once the sugar is made, it is then broken down by the mitochondria to make energy for the cell. Because animals get sugar from the food they eat, they do not need chloroplasts: just mitochondria
Explanation:
Which statement explains how producers are dependent upon consumers for their survival?
O A. Consumers supply oxygen for producers to undergo aerobic respiration.
O B. Consumers produce carbon dioxide for producers to use during photosynthesis.
O C. Consumers provide chemical energy needed by producers for cellular respiration.
o D. Consumers make lactic acid that producers use in photosynthesis.
Answer:it’s B
Explanation:
The option that explains how producers are dependent upon consumers for their survival is as follows:
Consumers produce carbon dioxide for producers to use during photosynthesis.Thus, the correct option is B.
How do producers produce their energy?Producers produce their energy through the process of photosynthesis which involves the active role of carbon dioxide and water in presence of sunlight through which the inorganic carbon of carbon dioxide is converted into the organic carbon of carbohydrate (glucose).
This carbon dioxide for plants is delivered by the consumers through exhaled respiration.
Therefore, the correct option for this question is B.
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The hydrosphere, lithosphere, biosphere, and atmosphere are all examples of __________.
A)
open systems
B)
closed systems
C)
biological systems
D)
ecosystems
Answer:
The answer is A, open systems!!
Explanation:
all systems on earth are open, except for the earth itself.
Answer:
A
Explanation:
Just took the test
I will give brainliest!!!!!!!! Nucleoside reverse transcriptase inhibitors (NRTIs) are a class of drugs used to treat human immunodeficiency virus (HIV). Unfortunately, a major side effect of these drugs causes people to get tired very easily, often due to a lack of energy. Which of the following choices would be the best explanation as to the cause of this drug's side effect? Choose 1 answer: (Choice A) A The drug may be toxic to lysosomes, organelles that enzymatically break down cellular wastes. (Choice B) B The drug may be toxic to the Golgi body, an organelle that receives, modifies, and transports cellular materials. (Choice C) C The drug may be toxic to the endoplasmic reticulum (ER), an organelle that provides a source of energy (ATP) for the cell. (Choice D) D The drug may be toxic to mitochondria, organelles that provide a source of energy (ATP) for the cell.
Answer:
The answer is a
Answer:
The drug may be toxic to mitochondria, organelles that provide a source of energy (ATP) for the cell.
Explanation:
Because the side affect is tiredness.
what does the cytoplasm do for the cell
Answer:
The cytoplasm holds everything together in the cell. Without it, the organelles would not be able to stay in place.
Explanation:
The scientific method includes which of the following? Select all that apply.
hypothesis
analysis
theory
question
Type here to search
ORA
Answer:
it includes hypothesis,analysis,question your welcome
If the pride is taken over by new individuals, what happens to the male?
Answer: yes he is kicked out of the pride and must wander to find a new pride to take over. And interesting fact the new male may kill the other males offspring if he chooses.
If the pride is taken over by new individuals, he is pushed out of the pride, kill pride's cub.
What are cubs ?The young offspring of lion called as cubs and they usually require parental care.
The cubs are generally born outside the pride. At the growing stage the male lion hunts prey and then deliver them to cubs.
The lioness protects their cubs by hiding them from all forms of animals and save their own pride to secure their cubs.
cubs transformation occur into adults and after this male lion, female lion, and adult cubs defend their territory together.
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are molecules bigger than cells in the human body? and this is for science
Answer:
no
Explanation:
Answer:
Molecules are bigger than the cells in our body.
What could happen if an organism could not maintain homeostasis
When an organism fails to maintain homeostasis, the organism typically becomes ill, and it will die.
what is homeostasis ?homeostasis a self-regulating process in which biological systems tend to maintain stability while adjusting to conditions that are optimal for survival.
If homeostasis is successful, life continues; if unsuccessful, disaster or death ensues, stability attained is actually a dynamic equilibrium, in which continuous change occurs.
Any system in dynamic equilibrium tends to reach a steady state, a balance that resists outside forces of change.
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___________ helps scientists understand processes in the natural world by providing simpler representations of those processes.
Answer:
models
Explanation:
Scientific models help scientists understand the processes in the natural world by providing simpler representations of those processes.
What are scientific models?A physical, mathematical, or conceptual representation of facts, data, processes, etc to be used as an aid for understanding the said facts, methods, or data are called scientific models.
These scientific models are used by scientists to comprehend or recognize various processes in our world by referencing their scientific knowledge which helps them to better understand and then explain any observable pattern.
Scientific models need to be consistent with the existing explanations or observations. Scientific models are based on facts but they cannot be considered ultimate facts themselves.
Scientific models can be consensus models, mental models, or expressed models based on their representation.
Therefore, the aid used by scientists to properly understand the natural world by providing simpler representations of those processes is called scientific models.
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Which biome had the lowest average temperature?
A)taiga
B)desert
C)temperate deciduous forest
D)tundra
Answer:
it the tundra
Explanation:
its because it wide and open and has cold air
5. Describe the characteristics of life, display organization, and provide an example.
Answer:
#1 Having cells (cellular)
#2 Growth and development
#3 Responds to stimuli
#4 Reproduce (sexual or asexual)
#5 Homeostasis
#6 Metabolism
#7 Heredity
Explanation:
The characteristics of life that display organization are growth and development, response to stimuli, homeostasis, metabolism, etc.
What is the organization of life?The biosphere is the greatest degree of organization for living things; it includes all lower levels. Organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and biosphere are the biological stages of the organization of living things, ranked from simplest to most sophisticated.
Atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism are the major levels of organization in the body, from the simplest to the most complex.
Therefore, organizational features of life include growth and development, response to stimuli, equilibrium, metabolism, and so on.
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14
What makes one atom different from another?
Answer:
atoms of the same elements differ in mass number. such atoms are called isotopes.
What is the most noticeable differences between the Hadeon period of
Earth with any other period of Earth?
Answer:
Hadean ("Hades-like") Era. This era began with the formation of the earth from dust and gas orbiting the Sun about 4.6 billion years ago. During this era the surface of the Earth was like popular visions about Hades: oceans of liquid rock, boiling sulfur, and impact craters everywhere, meanwhile, during, for example, the Cretaceous period, Earth's land assembled essentially into two continents, Laurasia in the north and Gondwana in the south. These were almost completely separated by the equatorial Tethys seaway, and the various segments of Laurasia and Gondwana had already started to rift apart, and there were oceans of seawater, teeming with life such as Mosasaurs and Ammonites. During the Cretaceous period, the land was hospitable and warm enough to support large numbers of lifeforms, including the dinosaurs.
Explanation:
NEED HELP ASAP!
Our cells have 23 pairs of chromosomes to replicate for cell division. While picking apples in the orchard, you accidentally cut your hand on a sharp twig. Your skin must make new cells to heal the cut.
What part of the cell cycle is shown and how many pairs of chromosomes are in the new formed cells?
a. S- duplication of the DNA, 23 pairs chromosomes
b. G1 Checkpoint- checking cell size and for enough proteins, 46 pairs of chromosomes
c. G2 Checkpoint- checking cell size and DNA replication, 46 pairs of chromosomes
d. M-complete cell division, 23 pairs chromosomes
Answer:
The Answer is A) S- duplication of the DNA, 23 pairs chromosomes
Explanation:
Answer:
the correct answer is a
Explanation:
hope this helps
List 5 parts/tissues of the body that will suffer the consequences of a Vitamin D deficiency.
Answer: Vitamin D deficiency can lead to a loss of bone density, which can contribute to osteoporosis and fractures (broken bones).
gastrointestinal disorders, renal diseases, and liver diseases.
Explanation:
Vote me brainliest please <3 have a great day or night everyone!!!!!
[GIVING BRANLIEST]
Ribosomes produce proteins in cells; however, the type of protein that ribosomes produce depends greatly on where they can be found in the cell. Ribosomes found in the cytoplasm produce proteins that aid in chemical reactions. The other type of ribosomes are found in the _____________________ and produce proteins that ______________________.
A. Golgi Apparatus; repair broken organelles
B. Endoplasmic Reticulum; repair broken organelles
C. Endoplasmic Reticulum; store and transport nutrients
D. Golgi Apparatus; store and transport nutrients
The other type of ribosomes are found in the endoplasmic reticulum and produce proteins that store and transport nutrients.
What is an endoplasmic reticulum?
An endoplasmic reticulum is an membrane bound cell organelle found in the cell cytoplasm.
Its one end is connected to the nucleus and other end is connected to the golgi body.
Endoplasmic reticulum is a membranous structure. The membranes are flat and form a network (cisternae).
Endoplasmic reticulum is present in all the cells in the body except RBCs and spermatozoa.
Endoplasmic reticulum consists of two subunits:
Rough endoplasmic reticulum (RER) - ribosomes are present on the surface.Smooth endoplasmic reticulum (SER) - ribosomes are absent.Endoplasmic reticulum is important for protein synthesis and protein folding.
Endoplasmic reticulum is important in the storage of calcium.
It also helps in the detoxification of drugs and lipid metabolism.
Therefore, endoplasmic reticulum is crucial for the manufacturing, storage and transport of proteins.
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Are covalent bonds responsible for cohesion?
Answer:
A covalent bond is a form of chemical bonding and is characterized by the contribution of one or more pairs of electrons between atoms, resulting in a side attraction that holds the resulting molecule together... Atoms tend to contribute or share their electrons in the way that their electronic shell is full. This bond is always stronger than the intermolecular forces like the hydrogen bond...
An ecologist observes a wolf catch and eat a rabbit. This is an example of
O parasitism.
O commensalism.
mutualism.
O predation.
Answer:
Predation is the answer
Explanation:
Predation is the act of an animal killing or attacking another animal for the predator's benefit
might give brainlist 1. name 8 duties citizens have 2. name 8 responsibilities citizens have
Answer:
1. obeying the law
paying taxes
serving in armed forces
appearing in court
((sorry i can't think of anymore))
2. Support and defend the Constitution.
Stay informed of the issues affecting your community.
Participate in the democratic process.
Respect and obey federal, state, and local laws.
Respect the rights, beliefs, and opinions of others.
Participate in your local community.
Pay income and other taxes honestly, and on time, to federal, state, and local authorities.
Serve on a jury when called upon.
Defend the country if the need should arise.
Explanation:
.0047 km = __________________ m
Answer:
4.7 meters
Explanation:
kilometer means 1000 meters, so to convert from km to m you have to multiply the value in km to get your answer in m.
hope this helps :)
PLEASE HELP!!! 50 POINTS!!!! All fossil fuels contain this element. Iron Carbon Copper Magnesium
Answer:
Carbon
These fossil fuels are all Hydrocarbons, they are compounds formed from only two elements, Carbon and Hydrogen. Fossil fuels are used to produce energy; in the home they are burned to produce heat, in large power stations they are used to produce electricity and they are also used to power engines.
Explanation:
Answer:
Carbon.
we need it because it is a key ingredient in plastics, gasoline, and other useful materials.
15.
The rainforest is hot, humid, and has frequent rainfall. In what way does the interaction between the atmosphere and the hydrosphere assist in maintaining this type of climate? (SC.6.E.7.2)
AO
The Sun's rays are trapped by the atmosphere, keeping temperatures high for most of the year.
BO
The rainforest is close to the oceans, allowing the hydrosphere to release frequent rainfall.
со
The hydrosphere sends water to the clouds through transpiration, keeping the humidity levels high for most of the year.
DO
The Sun supplies energy for the evaporation and transpiration of water, causing frequent rainfall and hot, humid temperatures.
Answer:
The Sun's rays are trapped by the atmosphere, keeping temperatures high for most of the year.Explanation:
how old is rna?What is its age?
Answer:
There's not really an age to RNA. It depends on how old the human/animal is.
About how many new species did the HMS Challenger find during its journey around the world?
Answer:
the years 1873–76 which, among many other discoveries, catalogued over 4,000 previously unknown species.
Explanation:
{Need answer in the next 28 min.}
Cohesion and adhesion are responsible for which of the following concepts?
Dehydration synthesis
Capillary action
Dry-ice
Polarity
Answer:
K I'm not sure about this one, but it should be capillary action
Explanation:
This is because cohesion and adhesion have to do with water stick to surfaces. Capillary action occurs because of how the water sticks and bonds to certain surfaces. Cohesion is how water molecules stay together, while adhesion is how water molecules are attracted to other molecules.
What is happening in terms of heat capacity
Answer:omg
Explanation:
c gvhbnn n
Which of the following is true of the structures labeled C in the cell membrane?
Choose 1 answer:
(Choice A) They are proteins.
(Choice B) They are carbohydrates.
(Choice C) They are nonpolar.
(Choice D) They are hydrophilic.
Answer:it’s a
Explanation: they are hydrophilic
The option which is true about the structures labeled C in the cell membrane is they are hydrophilic in nature. Thus, the correct option is D.
What is a Cell membrane?A cell membrane may be defined as a biological membrane that separates the interior of the cells with respect to its outer environment.
In the labeled structure, A is an integral protein, B is a lipid-anchored protein, C is hydrophilic polar lipid molecules, while D is hydrophobic non-polar lipid molecules.
Therefore, it is well described above.
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Which two gaseous giants did Renaissance scientists such as Galileo know about?
O Jupiter and Saturn
O Mars and Neptune
o Neptune and Uranus
O Uranus and Saturn
Answer: I think the answer is Jupiter and Saturn . ( please let me know if this answer is wrong please ).
Answer:
O Jupiter and Saturn
Explanation:
I did the test.
name the 4 types of particles in the atmosphere
Answer:
-Nitrogen
-Oxygen
-Argon
-Carbon dioxide
