which characteristic allows carbon to form chains and rings eith other carbon atoms
When would a cell need to use active transport instead of passive transport?
Choose 1 answer:
To move water to the external environment
To take in nutrients that have a lower concentration outside the cell
To transportions with a high internal cell concentration out of the cell using channels
To diffuse oxygen across the cell membrane
Answer:
d i think
Explanation:
When would a cell need to use active transport instead of passive transport To diffuse oxygen across the cell membrane
what are the function of cell membrane ?The cell membrane or plasma membrane is a thin selectively semi-permeable membrane which surrounds the cytoplasm, the primary function of the is to provide protection the integrity of the interior of the cell.
The cell membrane is otherwise called as multifaceted membrane that envelopes a cell's cytoplasm and help the cell to maintain the its shape.
Cell membrane is made up of Proteins and lipids where the mix or ratio of proteins and lipids can vary depending on the function of a specific cell.
Phospholipids are the most important components of cell membranes which are arrange to form a lipid bilayer and certain substances can diffuse through the membrane to the cell's interior.
some cell organelles are surrounded by cell membranes, The nucleus and mitochondria have its own membrane.
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I need help pls it science btw
Answer:
a light year is 2 seconds
What’s the answer pls help
Answer:
endocytosis
Explanation:
special features of a paramecium
Answer:
Paramecium is a single cell, living organism that can move, digest food, and reproduce.
Explanation:
Paramecium is a microorganism, which means that it is visible only under a microscope.
The paramecium has a contractile vacuole. It moves in spiral movements, rotating around an invisible axis.
It has no sense of sight, taste, touch, or hearing. However, he has some sense of movement.
Which feature separates humans from other primates?
smaller brain size
bipedalism
use of tools
complex social skills
Answer:
Bipedalism
Explanation:
took the test
Rb is an important protein for controlling cell proliferation by blocking entry into S phase. How does it exert its effect?
Answer:
The main function of the RB protein is to inhibit the transition from the G1 to S phase. Its activity depends on its phosphorylation state: if RB is not phosphorylated (active state), it is bound to the transcription factor E2F, preventing its translocation to the nucleus and the activation of genes necessary for DNA synthesis; and if it is phosphorylated, by cyclin-CDK complexes, E2F is released and cell proliferation occurs.
Explanation:
Retinoblastoma (Rb) was the first tumor suppressor described and, as we know today, mutations in its structure determine a large number of cancers. Structurally, we speak of a large and multifunctional protein; which is organized in different domains. The activity of this protein is regulated, mainly, by phosphorylation at multiple sites described over the years and is involved in control mechanisms of the cell cycle, apoptosis and senescence.
What causes a protein to be released from the ribosome
Answer:
The release factors cause the ribosome peptidyl transferase to add a water molecule to the carboxyl end of the most recently added amino acid in the growing polypeptide chain attached to the P-site tRNA. This causes the polypeptide chain to detach from its tRNA, and the newly-made polypeptide is released.
A stop codon causes the ribosome to separate from the mRNA molecule and release the protein for the cell to utilize. The relationship between transcription (DNA to mRNA) and translation (mRNA to protein) in prokaryotic cells is so strong that.
What protein to be released from the ribosome?The ribosome peptidyl transferase adds a water molecule to the carboxyl terminus of the most recently added amino acid in the expanding polypeptide chain connected to the P-site tRNA as a result of the release factors.
Protein release factors (RFs) recognize stop codons located in the A site of the small ribosomal subunit and initiate peptide release to the ribosome.
Therefore, As a result, the freshly produced polypeptide is released and the polypeptide chain separates from its tRNA.
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Winston studies a topography map that shows camping and hiking areas. Winston is most likely using the map for which purpose? science engineering government recreation
Answer: D Recreation
Explanation:
camping and hiking are recreational activites so D is the correct answer
Winston is most likely using the map for recreation. Thus, the correct option for this question is D.
What is a Topography map?A topography map is characterized as a type of map which indicates detailed graphic representations of features that appear on the Earth's surface.
Examples of such features in topographic maps may include roads, buildings, urban development, railways, airports, names of places and geographic features, national and international boundaries, etc.
Recreational activities like hiking and camping are most probably related to features that are undoubtedly based on the topographic maps of the geographical locations.
Therefore, Winston is most likely using the map for recreation. Thus, the correct option for this question is D.
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The Punnett square below shows the results of a cross between a plant with red flowers and a
plant with white flowers,
R
R
w
RW
RW
w
RW
RW
Кеу
RR red
ww-white
RW - pink
Based on the results, record the percentage of each color offspring from cross in this table
Percentage of red plants
I
Percentage of white plants
Percentage of pink plants
Please help with #20
Hi!
Answer:
Percentage of red plants: 0%
Percentage of white plants: 0%
Percentage of pink plants: 100%
Explanation:
The reason is because underneath where it says the "key" is, it says that if you see RR it would be red.
There is no RR in any of the 4 boxes. Which means it would be 0%.
Same for the white, there is no WW in any of the boxes. Therefore 0%.
For the pink, you have all of the 4 boxes filled with the letters RW. That means they would all be pink! 100% would be your answer.
I hope this makes sense and helps you!
If there are 5 g of carbon on the reactants side, how many g of carbon should you end with?
Answer:
69,420
Explanation:
Answer:
It is 69,420 easy
Explanation:
What do scientists call the S-layer in archaebacteria?
proteins or glycoproteins that make up the cell wall
proteins or glycoproteins that play a part in reproduction
proteins or glycoproteins that help make ribosomes
proteins or glycoproteins that make up the cell membrane
Answer:
proteins or glycoproteins that make up the cell wall
Explanation:
which do you prefer to use organic fertilizer or inorganic fertilizer explain
Answer:
Organic fertilizers continue to improve the soil long after the plants have taken the nutrients they need. Therefore, the longer your soil is fed with organic fertilizers, the better its composition and texture. So, while inorganic fertilizer is cheaper in the short term, it adds less to the soil in the long term.
How are extrusive rocks formed?
Answer:
Extrusive, or volcanic, igneous rock is produced when magma exits and cools above (or very near) the Earth's surface. These are the rocks that form at erupting volcanoes and oozing fissures.
Explanation:
Answer:
c
Explanation:
bc its the right answer
What would you expect to happen if you moved a marble statue from a hot, wet climate to a cool ,dry climate?
The rate of mechanical weathering would speed up.
The rate of chemical weathering would slow down.
The rates of any type of weathering would be unaffected.
The rate of chemical weathering would speed up.
Answer:
The answer is B
Explanation:
Hot and wet climates can cause rapid weathering in things like statues but moving the marble statue to an area of less humidity and cooler temperatures would greatly decrease the rate at which the statue would weather away.
If a marble statue is moved from a hot, wet climate to a cool, dry climate, the rate of chemical weathering would slow down. Therefore, option (B) is correct.
What is chemical weathering?Chemical weathering is the process of breaking down rocks and minerals through chemical reactions. This type of weathering involves a variety of chemical processes that can alter the composition and properties of rocks and minerals, making them more susceptible to erosion and decay.
Common examples of chemical weathering include the oxidation of minerals, dissolution of limestone, and hydrolysis of silicates. Over time, chemical weathering can have a significant impact on the landscape, shaping it through the breakdown and transformation of rocks and minerals.
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What is the cell membrane made of. Proteins. Cellulose. Carbohydrates. Lipids
With few exceptions, cellular membranes — including plasma membranes and internal membranes — are made of glycerophospholipids, molecules composed of glycerol, a phosphate group, and two fatty acid chains. Glycerol is a three-carbon molecule that functions as the backbone of these membrane lipids.
hopeeee this helped <3
Answer:
A, b, d
Explanation:
eng2021
Ali is AB blood type and Sarah is also AB blood type. What is the chance they will have a child with blood type A?
Answer:
25 percent
Explanation:
Answer:
yesss
Explanation:
if parent 1 is AB and and parent 2 is also AB blood Group then thier child's possible Blood Group is A, B, AB
Thus, Ali and Sarah's Child can be with blood type A
-TheUnknownScientist
Which two materials are part of soil?
O A. Pieces of metal
B. Once-living matter
C. Trees and grass
D. Small bits of rock
SUBMIT
Answer:
C
Explanation:
because it comes out by nature
Answer:
B and D
Explanation: A.P.E.X
How do you get energy from ATP?
Break off the first phosphate
Break off the second phosphate
Break off the third phosphate
Break off the Adenine
Answer:
gratciat
Explanation:
12. Describe how the structure of a frog's tongue is adapted to its diet.
13. Label the structures depicted in the following diagrams using the terms provided.
Answer:
It has a sticky and long tongue.
Explanation:
The structure of a frog's tongue is adapted to its diet because the frog has a sticky and long tongue. This stickiness helps to hold its food tightly while the more length of the tongue helps to catch prey that is far from the frog. Tongue of the frog is attached to the front of the mouth as compared to the back of the mouth. The frog's tongue then snaps back after catching its prey and throws the food down its throat.
Frogs have sticky tongues and their tongues can grab hairy, sticky, and slippery surfaces with ease.
The tongue of frogs is connected at the front of the lower jaw. They're not connected at the back of their throats like most organisms.
It should be noted that the frog projects the tongue out of the mouth through the use of an inertial projection mechanism. In this case, the jaw rapidly opens, the tongue rotates and the inertia of the tissue then leads the tongue to project toward its prey.
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Pls answer as many questions of the remaining numbers as you know of the water cycle. Please help I forgot
Answer:
Explanation:
4. Hot water
5. Steam
6. Cold air
7. a dew type thing
those are the only ones i know. I hope this helps you!!
why is it important for scientist who study more than the organisms that live there
Answer:
Ecological scientists study organism-environment interactions across ecosystems of all sizes, ranging from microbial communities to the Earth as a whole. In its life and reproduction, every organism is shaped by, and in turn shapes, its environment.
Explanation:
Anticlines and synclines are types of folds created by compressional stresses.
I ONLY HAVE 30 POINTS
True
False
Answer:
True
Explanation:
MM, I took the test
Imagine you were going to build a “green” building. What features would it have? What would it look like? How would it harmonize with the environment around it? Describe your green building using language that appeals to the senses (sight, sound, taste, touch and smell).
Answer:
Green building is a modern concept in architecture by means of which it is aimed at construction developments that are not invasive with the environment, or that affect the ecosystem in which they are built as little as possible, with the aim of leaving future generations an intact environment worth living in.
Thus, for a construction to conform to this concept, it must follow the following parameters:
-The construction must adapt to the natural environment, and not this to the construction.
-It has to be resource-efficient. Furthermore, the materials used must not be exploited indiscriminately or causing damage to the environment.
-The external area of the building must respect the natural patterns of the area where it is built, favoring a harmonic view between the building and the surroundings.
-Use of clean and renewable energy to supply the building.
How is the way scientists use the word theory different from the way people use the word in everybody language
Read the passage below and use the information to answer the question that follows. Joey is the oldest of three children. Like his siblings, he has has brown hair and green eyes. His sister likes to dance and his brother is a talented guitar player, but Joey does not like either of these activities. He enjoys basketball. Since Joey is very tall, he plays center on the basketball team at his high school, practicing hard so that he can get a basketball scholarship to college. Which of the following statements about Joey refer to genetic factors? Check all that apply. Joey has brown hair. Joey likes to play basketball. Joey has green eyes. Joey is very tall. Joey hopes to get a college scholarship
Answer:
Joey has brown hair
Joey has green eyes
Joey is very tall
Explanation:
I just checked
✔Joey has brown hair
✔Joey has green eyes
✔Joey is very tall
Edge 2021
what is the function of genes?
Answer:
they help in the transfer of hereditary characteristics from parents to offspring
When the land or oceans are heated unevenly,
form.
OA.
ocean waves
OB. convection currents
OC. heavy fogs
OD. solar patterns
Answer:
i need help no really i need help too!
Explanation:
Which of the following would be expected to have plentiful access to potable water?
a. Africa
b. China
C. Europe
d. South America
Answer:
c. Europe
Explanation:
I just went to quizlet.com
Europe is expected to have plentiful access to potable water.
What is Potable water?Thus is the type of water which is suitable for human consumption. Europe is believed to have plentiful access to potable water.
This is because of less pollution access to aquifers which provide clean sources of water for consumption by the people hence the reason why option C was chosen as the most appropriate choice.
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which is (summer, winter, fall, spring) please please help if you know! (14 points given)
Answer:
1.Spring 2.Fall 3.Winter 4.Summer
Explanation:
I think this is right because the tilt of the Earth means the Earth will lean towards the Sun (Summer) or lean away from the Sun (Winter) 6 months later. In between these, Spring and Autumn will occur. The Earth revolves around the Sun. ... The Earth's movement around the sun causes the seasons.
I hope this will help, but if you feel unsure of my answer the explanation will probably point to the correct answer.