Answer:
enzyme
Explanation:
i think but follow me
can you pls help me ??
Selectively permeable membranes are important in cell function. What makes a membrane selectively
permeable?
A
The ability to remove bacteria from the cell.
B The ability to use energy to make proteins used in the cell.
The ability to modify, sort and package proteins and lipids for storage or
C
transport out of the cell.
The ability to allow needed materials to enter and wastes to exit as well as the ability to block
unneeded materials from entering the cell.
D
Answer:
The ability to allow needed materials to enter and wastes to exit as well as the ability to block unneeded materials from entering the cell.
Explanation:
A selectively permeable cell membrane only allows some things to go through it, therefore this answer choice is the correct one because it is explaining how it is selectively permeable.
Which is not a property of water?
-The solid state is less dense than the liquid state.
-Hydrogen bonds exist only in the solid state.
-It is polar.
-It has a high surface tension.
Answer:
All of the above.
Explanation:
This is a trick question. All of the above is right. Ice has a bond of hydorgen, water is polar, and on top of that ice can float on water, making it less dense than water. If there is an all of the above awnser choose it. If there isn't then the best guess will be B.
The movement of molecules down a concentration gradient through transport proteins in the cell membrane is a type of
Answer:
In cells, somemolecules can movedown theirconcentration gradients by crossing the lipid portion of the membrane directly, while others must pass through membrane proteins in a process called facilitated diffusion.
Explanation:
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What is another word for substrates in a chemical reaction?
(Or just tell me if the answer "reactants" is correct)
Please don't use any dictionary app or site for this. Thanks
In a lab investigation, one group of students (group A) measures the speed of a .1 kg toy car to be 2.5 m/s at the bottom of a ramp. Another group of students (group B) measures the speed of a car to be 3 m/s at the bottom of a ramp. The car's starting position at the top of the ramp is 1 m high. What is the potential energy of the car at the beginning of the experiment before its speed is measured?
Answer:
i think you have to do 1k *2.5 m/s= 2.5
and
3m/s *1m = 3
and then you do 3-2.5
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A team of engineers is designing a new ship. The engineers first build several models of the ship. Explain in your own words why the models could help the engineers
Answer:
The model could help the engineers by giving they a prototype to build off of so they have an idea of what they ship looks like, and if the test it, they could troubleshoot and see the errors/successes of the model.
Explanation:
The engineers first build several models of the ship as the model could help the engineers by providing them a prototype to build of so that they have an idea of what or how the ship will looks like, and if they test it, they could troubleshoot and see the errors or successes of the model of the ship.
What are the fields in which science is applied?Science has the factual based knowledge and it has about the Nature as well as the natural world that has created on the basis of observations and the experiments. It has the study of the experiments and observations and it has totally depend upon the scientific result that has obtained after the scientific experiments.
There are several fields in which science has been applied and these field are healthcare, telemarketing, environmental engineering, banking, government regulation, space, biochemistry, physics, chemistry, biochemistry and astronomy, engineering.
Therefore, The engineers first build several models of the ship as the model could help the engineers by providing them a prototype to build of so that they have an idea of what or how the ship will looks like, and if they test it, they could troubleshoot and see the errors or successes of the model of the ship.
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Which table shows the most likely process and agent of erosion responsible for this rounded
sediment?
Answer:
B
Explanation:
They settle mostly in ocean an seas
Why do scientists use scientific names to describe organisms?
What does tRNA use anticodons or codons
State two features of diffusion that do not apply to active transport
The passage of genetic instructions from one generation to the next is known as what?
Answer:
heredity
Explanation:
Answer: heredity because it is
What term describes a general method of dating objects, which uses the fossil record to examine the relationship between a rock or a fossil and other objects
comparative dating
associative dating
virtual dating
relative dating
Answer:
relative dating
Explanation:
The fossils' age can be determined by using two methods: Absolute Dating and Relative Dating.
The "Relative Dating" examines the relationship between rocks and fossils in order to date certain objects. The correlation between things are checked according to the order of events in history and not according the the event's numerical age. The fossil record here is known as "index fossils." It becomes the basis for knowing the geologic period.
HElp me to get brainless
Answer:
B
Explanation:
Experiment tools and methods were not as precise as they are now. Since tech has evolved so has the ways to look at atoms meaning that they will see new and different things.
This atomic model has changed over time. Scientists used the model to make predictions. Sometimes the results of their experiments were a surprise and they did not fit with the existing model. Scientists changed the model so that it could explain the new evidence. And Because more experiments gave more data, theories and models for atoms changed to be more accurate over time.
Answer: b
During the replication process, which enzyme(s) unwind(s) the double-stranded DNA?
DNA polymerase
DNA gyrase and topoisomerase
DNA primase and helicase
DNA ligase
Answer:
The correct answer would be C) DNA primase and helicase
Explanation:
DNA primase and helicase unzip and uncoil a small portion of the double-stranded DNA, creating what is often called the replication fork.
Ignore the top answer, its wrong. I took the test.
Answer: The correct answer is DNA primase and helicase
Explanation:
I took the test
PLZ HELP ASAP!!! I WILL NAME BRAINLIEST!! Yo me llamo Karina
Which terms describe humans' roles in a food web?
Select one:
a. producers, autotrophs
b. consumers, autotrophs
c. consumers, decomposers
d. consumers, heterotrophs
Answer:
d. consumers, heterotrophs
Explanation:
Answer:
d. consumers, heterotrophs
Explanation:
Humans cannot be producers since we do not make photosynthesis (our own energy/food), we need to consume food in order to have energy. Therefore, we can't be autotrophs. We are also not decomposers because we don't eat dead animals like for example a vulture.
The images show sets of organisms with their offspring.Which of these offspring are clones of their parents?Help
Answer:
I think its A.2
Explanation:
Answer:
It’s three
Explanation:
What two words are missing from the definition of the word "cells" below? Cells are the ______________ ___________ of life.
Answer:
basic unit
Explanation:
Answer:
basic unit
Explanation:
What do bacteria have in common with the cells of other living organisms?
Answer:
Bacteria have cytoplasm and chromosomes which are common with the cells of other living organisms. Some bacteria have whip-like which is flagellum which helps bacteria cells have prokaryotes which mean the DNA is not being held with the nucleus like cells of plants and animals.
Explanation:
ITS IN THE PIC PLZZ ILL GIVE BRAINLIEST
Answer:
Crossing Over
Explanation: Crossing over never happens in mitosis but does in meiosis
Hope this helps!
Which of the processes offers the GREATEST evolutionary advantage of sexual versus asexual reproduction?
А
meiosis
B В
mitosis
С
budding
D
binary fission
Answer:a
Explanation:
The process that offers the GREATEST evolutionary advantage of sexual versus asexual reproduction is MEIOSIS.
Meiosis is a type of cell division that is used by organisms of sexual reproduction to produce haploid (n) gamete cells.Meiosis produces new genetic variation in offspring due to:
the random separation of alleles in gametes when chromosomes separate crossing-over or recombination which is the interchange of genetic material between non-sister chromatidsgametes randomly fuse to produce a diploid (2n) organismIn conclusion, the process that offers the GREATEST evolutionary advantage of sexual versus asexual reproduction is MEIOSIS because it is capable of introducing new alleles and increasing genetic variation in a population.
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what are the possible phenotype of the offspring from the cross of the parental generation?
Answer:
Explanation:
maybe brown eyes dominate more
what high-energy molecule that is formed during cellular respiration?
Answer:
Adenosine triphosphate also known as ATP is a molecule that carries energy within cells. It is also formed from the process of cellular respiration in the mitochondria of a cell.
Explanation:
A student wondered it butterflies would show any differences in their wing color it, as caterpillars, they were grown in the dark or grown in bright white light
Which statement would be a possible hypothesis for an experiment to test this idea?
Answer:
probably bc most caterpillars are mostly green and then they turn in to like brown or other colors
Explanation:
Describe the relationship between photosynthesis and cellular respiration.
Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Explanation:
Please help! (in picture)
Answer:
Organisms 1 and 2 only because they both have a nucleus
A diagram that shows the connections of many food chains is called a ...
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Question 23 (Mandatory) (1 point)
In an effort to maintain homeostasis, the human body will take monomers named
glycerol and fatty acids (3) to build polymers called triglycerides. In addition, the
body will break down triglycerides when the body needs more energy. What type
of organic compound are being described? (AKS 151)
a) nucleic acids
b) lipids
Breakout
c) proteins
d) carbohydrates
You w
Answer:
The correct answer is - option b) lipids
Explanation:
Lipids are one of the nutrients that are necessary to the body of an individual organism as it plays role in different ways such as energy storage, cell signaling, component of the cell membrane and many more hat maintain homeostasis in organisms body.
These nutrients are made up of fatty acid and glycerol long chains so these are polymer of glycerol and fatty acid and called triglyceride which provides maximum energy in comparison to other nutrients in need.
Thus, the correct answer is - option B) lipids.
Which is the highest level of organization within an organism?
Answer:
biosphere is the highest level.
Explanation:
Answer:
global ecological system
Explanation:
It is the highest level of organization. It is the global ecological system which consists of all the living organisms and other factors which supports life. Biosphere mainly refers to the part of the earth’s crust. This was a brief introduction to the Ecological Levels of Organization in an ecosystem.