Answer:
Due to the semi-permeability of cell membrane, the molecules that allow large molecules to cross the membrane are proteins, specifically membrane integral proteins.
Explanation:
Membrane integral proteins are protein molecules that are part of the cell membrane, pass through it and cannot be separated from it. These molecules allow the passage of polar molecules and large molecules.
The channels and transporters are structures formed by integral proteins, which facilitate the passive and active transport of macromolecules, respectively.
The cell membrane is a lipid bilayer whose hydrophobic nature allows the passage of some substances and prevents the passage of others, which can pass through the membrane by using channels and protein transporters.
What are the parts of an atom and their characteristics?
Answer:
An atom has all of the characteristics of an element, parts are neutrons, protons, electrons
What is the function of the flower in plant reproduction?
Answer:
the third option
Explanation:
the rest dont make sense to me and i remember my teacher telling me last year the petals are supposed to make bees come near it or something
Answer:
Attracts pollinators
Explanation:
Bees come to the flower to get the pollen, so i think its attracts pollinators.
Hope this helps plz hit the crown :D
the basic unit of structure and function in a living thing is called a
Can someone help me with these 2 pleaseeeeeee I don’t got much time lefttt !!!!
Answer:
I think Skeletal and Organs.
Explanation:
Some species, such as humans and pandas, take a very long time to reproduce. Why might this be adventageous to the species as a whole enough for it to continue, despite the fact that organisms that reproduce quickly are more likely to pass on their genetic material. (Hint: How does Thomas Malthus's studies on overpopulation are resources relate to a species chance of survival?)
Please I need answer asap. It's worth 100 points!
Answer:
Reproducing is fast for some animals, but can mess up their DNA and genetics. Humans and other aninkas take a while. It has a better chance of perfect genetics and heredity from parent, this goes along with sexual and asexual reproduction.
Explanation:
Question 9 The cell cycle of mitosis involves an early stage called interphase, during which a cell
A. Develops a second nucleus
B. prepares for division
C. shrinks and Fragments
D. Divides into two cells
Answer:
Divides into two cells
Explanation:
During interphase, the cell grows and the nuclear DNA is duplicated. Interphase is followed by the mitotic phase. During the mitotic phase, the duplicated chromosomes are segregated and distributed into daughter nuclei. The cytoplasm is usually divided as well, resulting in two daughter cells.
Answer:
B
Explanation:
Weston has been taking trumpet lessons for years. Which of the following muscles allows him to by the trumpet by blowing and sucking in air?
A Buccinator
B. Orbicularis oris
C. Epicranius
D. Masseter
Answer:
B Orbicularis oris
Explanation:
took the test
Types of orchids grow high on the branches of the tall kapok trees of the jungle. This adaptation allows the orchid to receive enough sunlight to perform its photosynthesis but the kapok trees are unaffected.
commensalism
parasitism
mutualism
Answer:
A. commensalism
Explanation:
the tree isnt helped or harmed
Study the organ systems in the diagram below.
rema
The organ system that filters and removes waste from the human body
Answer:
The urinary system filters and removes waste from the human body
What is the definition of totipotent?
Answer:
This is what it means,
Explanation:
of an immature or stem cell) capable of giving rise to any cell type or (of a blastomere) a complete embryo.
"totipotent embryo cells can differentiate into a hundred different cell types specialized to form such tissues as skin, marrow, and muscle"
Answer:
(of an immature or stem cell) capable of giving rise to any cell type or (of a blastomere) a complete embryo.
Explanation:
Answer this question please!!!!!
Answer:
it's sensory receptors
If a link is removed or destroyed in the food chain of a biome, the chain will be disrupted.
True or False
Plz hurry
It is true because any food chain needs every link, if it is missing even 1 link another will fail eventually.
I will give brainliest to the first person to answer
What do all cells have in common?
Answer:
Most cells have many structures in common. Included among these are cytoplasm, a cell membrane, a nucleus, mitochondria, ribosomes, and vacuoles.
Explanation:
Hope this help! Happy Holidays!
Answer:
Most cells have many structures in common. Included among these are cytoplasm, a cell membrane, a nucleus, mitochondria, ribosomes, and vacuoles.
Explanation: this is the basic of all cells
3 points
Choose the body systems responsible for the following interaction: An
increased blood flow to carry white blood cells to an injury site. *
Nervous System
Endocrine System
Lymphatic System
Immune System
Circulatory System
Respiratory System
Skeletal System
Muscular System
Excretory System
Digestive System
Integumentary System
w
Reproductive System
Answer:
The Circulatory system
In farmland areas poor drainage can lead to a buildup of salt in
water supplies. A student performed an investigation to study the
effects of salinity on the germination rates of seeds. The student
places seeds in several solutions containing 0% to 3% salt. The
data from this investigation is shown below and suggests that
increased salinity in more areas may lead to a decrease in which of
the following?
Answer:
food production.
Explanation:
food plants need water to survive. Salt soaks water from a source of it If the slat buildup occurs in that water supply then the plants will not have anything to use to get their glucose to make food. This then leads to the con of the plants dying and the people having a loss of food production.
hope this helped!
Question 1
What is the driving force of the deep water ocean conveyor belt?
0
Winds push the deep water into the Pacific and Indian Oceans
O
Gravity from the Moon pulls the deep water toward the equator
The spinning of the Earth makes the deep water current run in circular paths
Very cold temperatures create very tense water which pushes the deep current along
Jense
Answer:
i think it’s the last one
Explanation:
Answer:3 onw
Explanation:
What TWO answer are they please explain i will be giving brainliest to the correct answer:D
Answer:
A and D
Explanation:
make a claim with at least one supporting evidence that explains how living in a group can increase the humpback whales chance for survival PLEASE HELP
Answer:
I speak spanish
I need help pls someone
Answer:
Competition will occur between organisms in an ecosystem when different species try to use the same resource, causing the resources carrying capacity is reached. Animals compete for food, water and space to live. A limiting factor would stop this from happening, making competition in an ecosystem go down.
Answer:
Competition occurs when an ecosystem reaches it's carrying capacity. When a ecosystem reaches it's carrying capacity there are limiting factors such as scarce resources and limited habitats.
Explanation:
PLEASE THIS IS NOT DIFFICULT I WILL MARK BRAINLIST
4. Explain why transcription must occur in the nucleus.
5. Why does a cell need to carry out transcription before translation?
Answer:
4. Transcription takes place in the nucleus. It uses DNA as a template to make an RNA molecule. RNA then leaves the nucleus and goes to a ribosome in the cytoplasm, where translation occurs. Translation reads the genetic code in mRNA and makes a protein.
5. Transcription needs to occur before translation because the product of transcription, messenger RNA (mRNA), is the starting material for translation.
Where in the oceans are the highest values of salinity found?
in mid latitude regions, wind qusts are strongest
in subtropical regions, where evaporation exceeds precipitation
O near the equator, where precipitation exceeds evaporation
O in polar regions, where ice sheet volumes are shrinking
Answer: in subtropical regions, where evaporation exceeds precipitation
Hope it helps :)
Explanation:
what would be observed when a growing seedling is placed horizontally
Answer:
it will slowey become less horizontal as time flies by
Explanation:
Write this!
If you were to place a seed down horizontally, the roots and the shoot will be grown horizontally, but when the plant grows, it will slowey become less horizontal as time flies by and shape back into a straight manner towards the sunlight, this would be a example of a term known as geotropism (the response of plants from gravity).
all you need is in the photo
Answer:
a
Explanation:
True or false identify if it is false: Wetlands may be either freshwater or salt water biome.
Answer:
I believe the answer is True
Answer:
TRUE
Explanation:
PLEASE MARK ME AS BRAINLIEST
Which substance is a solid?
Answer:
walls
Explanation:
Answer:
Rocks? Im not sure what you mean.
Una planta de jardín presenta dos variedades: una de flores rojas y hojas alargadas y otra de flores blancas y hojas pequeñas. El carácter color de las flores sigue una herencia intermedia, y el carácter tamaño de la hoja presenta dominancia del carácter alargado. Si se cruzan ambas variedades, ¿Qué proporciones genotípicas y fenotípicas aparecerán en la F2? ¿Qué proporción de las flores rojas y hojas alargadas de la F2 serán homocigóticas?
Answer:DA FAW>K
Explanation:
NEED HELP ASAP!! 10 points!
Cells are often compared to factories. How is a factory a useful model for explaining the cell?
Answer:
Each organelle within the cell has its own important job, similar to factory workers. Every organelle plays an important role and without one, the whole team loses function.
Cell is the basic unit of life. Cells unite together and forms tissue. Many tissue will unite and form organ. Organ will unite together to form a organ system.
What is cell?The building elements known as cells make up all of these plants and animals, including worms in the soil, horseflies on farms, lemurs in the jungles, reeds in ponds, and trees in forests.
Similar to these instances, many live organisms are composed of numerous cells working together. However, certain forms of life, such as the various bacterial and protozoan species, are made up of simply one cell.
Most cells, whether they are solitary or a component of a multicellular organism, are too small to be seen without a light microscope.
Therefore, Cell is the basic unit of life. Cells unite together and forms tissue. Many tissue will unite and form organ. Organ will unite together to form a organ system.
To learn more about cells, refer to the link:
https://brainly.com/question/3142913
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the chemicals in cigarette smokers are known to cause cancer propose a series of steps that could lead to the development of lung cancer in a smoker
Answer:
Cell deterioration
Explanation:
Once the cells first come in contact, they immediately create a cell shield that is composed of weaker cells, while the rest continue their work, the problem with this, is that their is a lack of cells to do work and the weaker cells are slowly dying and creating holes for the harmful chemicals to enter, as the cells deteriorate they clot together and create a lump in a final attempt, and it ends up creating deadly weight in the lungs.
In pea plants round peas (R) are dominant to wrinkly peas (r), and yellow peas (Y) are dominant to green peas (y). A plant with the genotype RRyy is crossed with a plant that has the genotype RrYy. What are the possible gametes from plant #2? Group of answer choices RY, Ry, rr, yy RY, RY, ry, ry RY, Ry, rY, ry RR, YY, ry, ry
Answer:
RY, Ry, rY, ry
Explanation:
According to this question, which involves two genes coding for pea shape and color, the alleles for round peas (R) and yellow peas (Y) are dominant over the alleles for wrinkled peas (r) and green peas (y).
A plant with the genotype: RRyy is crossed with a plant that has the genotype: RrYy. Each parent will produce gametes via meiosis in such a way that only one allele of each gene will be present in the gametes. The plant 2 (RrYy) will produce the following allelic combinations in it's gametes: RY, Ry, rY, ry.