Answer:
its the cell membrane
Explanation:
heres gogle support but i also did this in class
What type of materials need to be transported out of the cell?
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Answer:
porque le permite expulsar de su interior los desechos del metabolismo, también el movimiento de sustancias que sintetiza como hormonas.
Explanation:
Help!
Which biological molecule transports substances between cells?
A. carbohydrate
B. lipid
C. nucleic acid
D. protein
Answer:
Membrane proteins
The cell membrane is selectively permeable . It lets some substances pass through rapidly and some substances pass through more slowly, but prevents other substances passing through it at all.
Answer:
D
Membrane proteins
The cell membrane is selectively permeable. It lets some substances pass through rapidly and some substances pass through more slowly, but prevents other substances passing through it at all.
Explanation:
Which statement is true regarding the taxonomic system?
Charles Darwin was the primary creator of the current taxonomic system.
All of the past, extinct species have been cataloged.
The current taxonomic system is based on the Linnaean classification system.
All of the current, living species in the world have been cataloged.
Answer:
1) taxonomy
2) species
3) the animal has sharp, pointed teeth
4) the current taxonomic system is based on the Linnaean system
5) he only had two kingdoms, animals and plants
Explanation:
did the quich check
The statement 'the current taxonomic system is based on the Linnaean classification system' is TRUE.
Taxonomy is a field of study focused on naming and classifying groups of organisms according to their morphological and genetic features. The taxonomic system organizes species from larger to more specific taxonomic categories in a hierarchical system.The botanical taxonomist Carolus Linnaeus is considered the father of taxonomy because he was the first person to formulate a system for classifying different species of plants and animals.Nowadays, the taxonomic system includes eight (8) categories from larger to more specific: domain, kingdom, phylum, class, order, family, genus, and species.In conclusion, the statement 'the current taxonomic system is based on the Linnaean classification system' is TRUE.
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What determines the code, or information, of a DNA molecule?
A - the structure of nitrogen bases
B- the color of nitrogen bases
C- The sequence (order) of nitrogen bases
D- the frequency of nitrogen bases
Answer:
C- The sequence (order) of nitrogen bases
Explanation:
Nucleotide are composed of a photosphate group a sugar and nitrogenous base DNA Isela made up of long Strands of nucleotide which part of the above molécule can differ between nucleotides
Answer:
The phosphate end and OH end of nucleotide in DNA differ from free nucleotides molecules.
Explanation:
5' phosphate group of one nucleotide and 3'-OH group of another nucleotide combine to form phosphodiester bond which holds the nucleotides in DNA molecule.
The phosphate end and OH end of nucleotide in DNA differ from free nucleotides molecules.
A student examining an unknown cell under a microscope notes it has a cell wall, cytoplasm, and genetic information contained within a nuclear membrane. Which inference would be correct?
Answer:
It is a eukaryotic cell
Explanation:
Eukaryotic cells have membrane-bound organelles (in this case the cell has a nuclear membrane with genetic information).
Bacteria, archaea, fungi, plants, and algae have a cell wall
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Which component of weather describes the weight of the atmosphere pressing down on Earth?
A) Air pressure
B) Air temperature
C) Precipitation
D) Wind direction
Answer:
A - Air Pressure
Answer:
Answer is A
Explanation:
Air pressure is the pressure of the atmosphere on the earth.
The map shows the locations of major earthquakes in the Northern Hemisphere.
North
America
Pacific
Ocean
Atlantic
Ocean
Which sentence describes the pattern of earthquakes that the map shows?
Answer:
earthquakes around the North American continent
Make a concept map with the following terms:
Stimulus, function of relation, response senses or receptors, touch, smell, environment, individual, stimulus, taste, hearing, sight, processing center, nervous system, somatic, central nervous system, peripheral nervous system, neurons, synapses, sensory, brain, motor, interneurons, electrical, chemical, spinal cord, autonomic, voluntary and involuntary actions
Please is for today :(
Answer: igu bro, ok first u add my bbrother to class and then u subrtarct the ugly kids and you omneof them so dieeeee
Explanation:
Which hazard are we more likely able to predict? Tornado or earthquake. Explain your answer.
Answer:
awsten knight
Explanation:
Describe at least two ways in which nitrogen is important to biological processes. (Hint: Find the biological chemicals that contain nitrogen.)
Answer:
Nitrogen is a crucially important component for all life. It is an important part of many cells and processes such as amino acids, proteins and even our DNA. It is also needed to make chlorophyll in plants, which is used in photosynthesis to make their food. Nitrogen is a key element in the nucleic acids DNA and RNA, which are the most important of all biological molecules and crucial for all living things. Without amino acids, plants cannot make the special proteins that the plant cells need to grow. Without enough nitrogen, plant growth is affected negatively.
I hope this helped out some~ <3
-Dream
What percent of the energy from an organism is passed to the organism that eats it?
10%
25%
100%
1%
10%
Explanation:
im sorry if im wrong but from what i learned thats the percentage
Answer:
10%
Explanation:
Can you please help me?!❤️
Answer:
A. Strainer
Explanation:
A strainer is, amongst other things, something used to wash foods like fruits, vegetables, &tc and rinse out certain foods, like rice.
What happens when you put something through a strainer? When you wash something with it, the dirt goes through but not the food, like in the image, right?
Have a great day!
1. name the mutation
original strand of dna:AATCGTC
mutated strand of dna:TAATCGTC
Answer:
Insertion
Explanation:
An insertion is the addition of one or more nucleotide base pairs into a DNA sequence.
In this case, T was added to the strand
In asexual reproduction, 2 parents each pass copies of all of their chromosomes to the offspring. true or false
Answer:
False.
Explanation:
35 POINTS !!!! Part A
An organism’s adaptations are specific to its native environment. An organism that lives in a coniferous forest will have different adaptations compared to an animal that lives in a tropical rain forest. The following graphs show the temperature and precipitation throughout the year for two different forests: a coniferous forest in Canada, and a tropical rain forest in Belize.
Evaluate the graphs, and then explain why plants from these two ecosystems will have different adaptations. In your answer, explain the survival challenges that plants face in these two environments.
Coniferous Forest
graphical representations of the temperature and precipitation in a coniferous forest from January to December
Tropical Rain Forest
a graphical representation of the temperature (top image) and precipitation (bottom image) in a tropical rain forest from January to December
Answer:
Ok so one graph shows the temperature it’s in the negative so the plant can’t survive all you have to say is the plant is struggling in the coniferous forest because of the climate there is not enough sun and not enough water the graph next to it shows the amount of water it’s getting and horizontally it’s showing the months and the plants progress the plant is barley surviving and will most likely die vs in the tropical rainforest as you can see the temperature is sunny all throughout the year it’s getting the warmth it needs and the graph next to it is again showing the amount of water it is receiving at first there’s not a lot but pushing more into spring and summer time going farther into colder whether there a lot more rain and because it’s a tropical forest the rain doesn’t turn into snow due with the warm climate it’s the perfect weather for the plant and it easily adapts to this weather because that is the natural environment plants need to grow no matter the plant they all need sun and water I hope that helped this is supposed to be a written out answer you can put it in your own words if you like or use it that way but I just did it and I got a 90% on the grade
A rusty nail is an example of an oxidation-reduction reaction.
A. True
B. False
Answer:true
Explanation:
Drag the tiles to the boxes to form correct pairs.
Match the parts of fruits.
The form correct pairs can be matched with the parts of fruits as;
Mesocarp- flesh stuff inside Endocarp- papery part of seed Exocarp-skin of the fruitWhat is pericarp and endocarp?The epicarp, which is the outermost layer, the mesocarp, which is the middle layer, and the endocarp, which is the inner layer enclosing the ovaries or the seeds, are the three separate layers that make up the pericarp in fleshy fruits.
The fruit's exterior surface is made up of the exocarp, the fruit's top layer. The tissue between the exocarp and endocarp is called the mesocarp. The innermost layer, called the endocarp, is situated just outside the seed coat.
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How many times more erosion occurs in a soil with 3% moisture than a soil with 7% moisture is a 15 m s-1 wind?
Answer:
Twice.
Explanation:
If a soil with 3% moisture has twice the rate of erosion as compared to the soil having 7% moisture if both experience same speed of wind i. e. 15 m/s. This is because moisture held the particles of soil tightly with each other and prevent erosion in the soil so if the moisture becomes half in the soil then the rate of erosion is twice or doubled at constant wind speed.
A student prepares for a five-mile run so she eats a nutritious meal three hours before the run. Which correctly illustrates the transformation of energy from eating the meal to the five-mile run?
Answer: The transformation of energy from eating the meal to the five mile run is from
Chemical energy --> kinetic energy--> thermal energy.
Explanation:
In nature, energy exists in various forms. These forms are inter- convertible, that is, one form of energy can be transformed into another form. Such energy transformations are governed by the laws of thermodynamics.
The first law of thermodynamics states that energy cannot be created or destroyed but may be transformed from one form into another.
Living organisms which comprises the biotic components of an ecosystem are energy converters. For example:
--> plants convert solar energy into chemical energy during photosynthesis
--> animals convert chemical energy into kinetic energy when they move about. This in turn is lost as heat energy when highly complex organised food molecules are broken down.
From the question, the student ate a nutritious meal ( CHEMICAL energy) which is converted to KINETIC energy as she took a five miles run ( as she worked). 'Work' here refers not only to physical activities but also to the various metabolic processes necessary to maintain life. And each time work is done, kinetic energy is converted to heat( thermal energy)
PHET Energy Skate Park Simulation .Consider this equation: gravitational potential energy = mgh. Which of those variables is changing as the skater moves up and down the track?
Answer:
h - height
Explanation:
gravitational potential energy = m * g * h
m stands for mass. Mass doesn't change in physics
g stands for gravitational acceleration. It is a constant.
h stands for height. When the skater moves up and down the track the height from the ground changes. Therefore this variable does change.
In the equation gravitational potential energy = mgh, the variable that is changing as the skater moves up and down the track is the variable h, which represents the height or vertical position of the skater.
As the skater moves up the track, the height increases, resulting in a higher value for h. Conversely, as the skater moves down the track, the height decreases, leading to a lower value for h.
The other variables in the equation, m (mass) and g (acceleration due to gravity), typically remain constant unless specified otherwise. Therefore, the changing variable in this equation as the skater moves up and down the track is the height (h).
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What is the mass of a box accelerating at 3 m/s^2 applying 36 N of force? Hint: Mass = force / acceleration
Answer:
I have attached a picture of me explaining how to find the mass. Hope this helps, thank you !!
Which statement describes the formation of stars?
I'm pretty sure its heat and gasses
Answer:
c
Explanation:
Stars start out as gas dust and other particles hope this helped and hope its correct have a great day!!
Answer:
The correct answer is 'Dust and Gases Contract'
Explanation:
When Dust and Gases shrink, or become smaller, a star is formed.
What is the function of a coenzyme?
1. Binds to the substrate to raise activation energy
2. Inhibits the metabolic pathway of the enzyme
3. Couples with an enzyme to help remove or add electrons in order for the reaction to be catalyzed
4. Is a secondary protein complex that produces ATP
What is the connection between land use and biodiversity ?
Which statement is true regarding mitosis?
A. 2 cells are made from one cell
B. daughter cells have 1/2 of the original DNA
C. occurs only in sex cells
D. 4 cells are made from one cell.
Answer:
A. 2 cells are made from one cell
Which stage of mitosis occurs the least often and why?
Explanation:
The Anaphase stage is the shortest phase of mitosis. During this phase, disjunction occurs, and migration of sister chromatids away from each other to the poles of the cell occurs, leading to the formation of daughter chromosomes. Molecular motors use ATP to shorten the spindle fibers attached to each sister chromatid
Explanation:
i hope to like it (:
.....
how do organisms with many cell types develop from a single cell
Cell division, torso axis formation, tissue and organ development are all part of development, and cell differentiation refers to acquiring a final cell type identity.
What is cell division?The process by which a parent cell divides into two daughter cells is known as cell division.
Cell division is usually part of a larger cell cycle during which the cell grows and replicates its chromosomes before dividing.
Cell division occurs in two stages: mitosis and meiosis. When most people say "cell division," they're referring to mitosis, the process of creating new body cells.
Meiosis is the process by which egg and sperm cells are formed. Mitosis is a necessary process for life.
Multicellular organisms form in a variety of ways, including cell division and the aggregation of many single cells. Colonial organisms form when many identical individuals band together to form a colony.
Thus, this way, organisms with many cell types develop from a single cell.
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I don’t understand this so please help
Answer:
all I see is dots lines and circles
Explanation:
7. In a heterozygous person, which allele will actually be expressed (seen) in the phenotype? O dominant O recessive O both
Answer:
both... I think... Is there more context?
Explanation:
Hope this helped! Good luck! :)
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Describe the difference between naturally occurring radiation and man-made
radiation.
