The diagram below shows a single animal cell with many of the cells organelles. Which structure contains the instructions for making a copy of the cell?
Answer:
The nucleus (On the image, it's the sphere in the middle)
It is the nucleus, which contains the instructions for making a copy of the cell.
What is a nucleus and its functions?It is a double-membrane-bound cell organelle found only in the eukaryotes, which comprises the genetic material. The prime function of the nucleus is to monitor a cell's reproduction and growth. It does not only store DNA, it also performs various essential cellular procedures.
The duplication of the DNA, that is, DNA replication takes place within the nucleus of the cell. It comprises the instructions for producing two identical copies of the cell, and each cell produced will get its own set of instructions. It is also the site for the process of transcription.
Thus, the nucleus is the structure that comprises the instructions for producing a copy of the cell.
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How do the laws of genetics (discovered by Mendel) govern what variations can and cannot be
possible in the offspring of any 2 sexually reproducing organisms? (List and define each of the 3 laws as
you answer this questions
Which of the following statements best describes the role of the reproductive system during childbirth?
Answer:
I think that the cervix dilates or widens to allow the baby to exit the body
Explanation:
Which amino acid is best represented by "CCA"? *
Answer:
Proline
Codon-Amino Acid Abbreviations
Explanation:
What are the Evidences of evolution?
plz ans me in brief.
15 points!
What are the independent, dependent and controlled variables in the following investigation?
-Mayra tested three brands of conditioner to see which made her hair feel softest.
Answer:
ind: type of conditioner used
dep: how soft the hair is
controlled: type of shampoo used
Explanation:
ind- the variable that the person doing the experiment chages
dep- the variable that changes due to the change in the ind variable
cont-doesn't change
does exocytosis require energy?
Answer:
There are two types of vesicle transport, endocytosis and exocytosis (illustrated in the Figure below). Both processes are active transport processes, requiring energy. Illustration of the two types of vesicle transport, exocytosis and endocytosis.
Explanation:
So in a simple explanation yes they require energy:)
I’ll mark as BRANLIEST!!
30 POINTS!!
Please help me!!
How does DNA change from generation to generation in asexual organisms?
1. Cloning
2.Mutation
3.Variation
4. Gene pairing
Which best defines cloud computing?
оооо
Using a cloud to display the weather
Services, applications, or storage accessed via the Internet
A business propagated using the Internet
A portion of the Internet
.
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please help (repost)
ACTUAL ANSWERS and braincells are required
5 How does the presence of coal on Antarctica indicate a climate change?
The discovery of a new coal deposit means people will be able to use this found fuel longer.
Coal forms from the remains of plants that lived in tropical swamps millions of years ago, Coal deposits can tell scientists what the composition of the atmosphere was in the past.
Coal is burned for fuel and it releases carbon dioxide into the atmosphere.
Answer:
The discovery of a new coal deposit means people will be able to use this fossil fuel longer.
Coal is burned for a fuel and releases carbon dioxide into the atmosphere.
BIO, HELP!
you know the drill, if you’re right you get the brailiest
3.
Put the cells below in the correct order for Mitosis to occur.
A-B-D-C
B-A-D-C
C-D-A-B
D-A-B-C
Answer: last answer option
Explanation:
D - prophase - you can see this by the movement of centrosomes
A - metaphase - lining of chromosomes on metaphase plate
B - anaphase - splitting of sister chromatids
C - cytokinesis - formation of 2 new cells
the correct order is D A B C
Which two factors are most likely to cause a plants guard cells to open its stomata.
Please help, I was seeing different responses to this question:)
Answer: The answer is in the picture
Explanation:
espero que esto ayude <3
Hope this helps <3
Type of patter:
Energy or matter?:
Please help with d and explain
Your science teacher has charged you and your partner with making a dichotomous key .He has given you a chart of organisms that are all fish
The given question is incomplete it lacks the main question, group of choices, and dichotomous key, however, the correct question is attached as an image:
Answer:
The correct answer is - B) body shape
Explanation:
In this given dichotomous key, one can distinguish and identify the particular fish on their characteristics feature present in the diagram. In this chart, there are 9 different types of fish that share some characteristic features such as fins, stripes, the shape of tails, and others.
The body shape of the fishes is the best characteristic to begin the choice of keys here, the shape of fishes that are skinny and long and little fat and small in comparison helps in distinguish these fishes.
Hummingbirds drink nectar from flowers. Which beak shape would BEST help a hummingbird survive in a place where the flowers are shaped as shown in the picture?
THIS IS HISTORY BTW
Answer:
A
Explanation:
the beak is long and curved so the A beak would be perfect (give BRAINLEST please)
Answer:
The best answer would be A.
Explanation:
Answer A. is the best answer because the beak is longer and curved easier for drinking.
One of the differences between embryonic stem cells and adult stem cells is ?
Answer:
One major difference between adult and embryonic stem cells is their different abilities in the number and type of differentiated cell types they can become. Embryonic stem cells can become all cell types of the body because they are pluripotent.
Why didn't Bill Stacy have blue skin even though his mother did?
Answer:
because bill stacy was sick.
Explanation:
Bill Stacy does not have blue skin even though his mother did because of variations that occur during the segregation of alleles after fertilization.
What do you mean by Variations?Variations may be defined as the altered appearance among individuals in the same population. It is one of the factors that are responsible for maintaining diversity.
Due to variations, offspring do not identical to their parents. These variations have resulted from either erotic reproduction or mutation.
Therefore, Bill Stacy does not have blue skin even though his mother did because of variations that occur during the segregation of alleles after fertilization.
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Which of the following is most effective in helping rain forest plants trap
sunlight so that light energy can be converted to chemical energy? *
Large leaf size
Small seed size
Small Stem
Large root size
Answer:
The picture was NOT a part of that question. The correct answer is Large leaf size. A
Explanation:
Leafs trap sunlight to perform photosynthesis for chemical energy which takes place in the chloroplast.
Photosynthesis is the process by which plants convert light energy into chemical energy. Plants can trap more sunlight if the size of leaves is large. Thus, the correct option is A.
What is Photosynthesis?Photosynthesis is the process by which plants synthesize their food in the form of carbohydrates (sugars). This process takes place in the chloroplast of cell. It contains chlorophyll pigment. This pigment is responsible for trapping sunlight.
There are more chloroplast present on the leaf surface than other parts of cell. This organelle is responsible for the synthesis of carbohydrates in plants as they trap sunlight which is converted into chemical energy. The more the number of chloroplast in the cell, more will be the rate of photosynthesis in plants.
Therefore, the correct option is A.
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A simple machine makes work
a. less, easier
b. easier, less
not
C. more, harder
d. harder, less
Answer:
easier
Explanation:
Answer: A simple machine makes work easier or less harder.
carnivorous plants example .pls I need it now . I will mark brainlest.
Answer: the Darlingtonia californica ( california pitcher plant ) the california pitcher plant is a carnivorous plant that it lures, traps, and dissolves insects with its pitcher shaped leaves. Insects are lured to the slippery pitchers by color and nectar. Once the insect enters the bulbous top of the pitcher it becomes disoriented by the translucent quality of the leaves.
Match the human activity with how it intensifies the greenhouse effect.
deforestation
burning fossil fuels
waste disposal in landfills
primary cause of human-created
carbon emissions
destroys natural carbon sinks,
leading to more co, in the air
emits methane from decomposing
matter
Thank you to whom ever helps brainiest and 5 stars thanks
Answer:
b, j, e, d, I, f, a, c, g, h
Explanation:
took a look a the picture️
PLEASE HELP!!!!!!
1. If your child had a child with a man with sickle cell disease, predict whether that child
would also have sickle cell disease. Explain the reasoning and describe the information
you used to make your prediction.
Answer:
Sickle cell disease (SCD) is a blood disorder that a child is born with. It's passed down through a parent’s genes. Children with SCD make an abnormal type of hemoglobin. This is the protein in red blood cells that carries oxygen to all parts of the body. With SCD, the body organs and tissues don’t get enough oxygen.
Explanation:
Healthy red blood cells with normal hemoglobin are round and move easily through blood vessels. When a child has SCD, the red blood cells are hard and sticky. They are shaped like the letter C (and like a farm tool called a sickle). These damaged red blood cells (sickle cells) clump together. They can’t move easily through the blood vessels. They get stuck in small blood vessels and block blood flow. This blockage can cause pain. It can also damage major organs.
Sickle cells die sooner than healthy cells. Normally the spleen helps filter infections out of the blood. But sickle cells get stuck in this filter and die. Having fewer healthy red blood cells causes anemia. The sickle cells can also damage the spleen. Without a healthy spleen, children are more at risk for serious infections.
There are several complex types of the sickle cell gene. Some don’t cause symptoms or severe problems, but others do. Talk to your child’s healthcare provider about the specific form of sickle cell your child has.
Most children with SCD will start showing symptoms during the first year, often around 5 months.
Answer:
IN my opinion I dont really thinkthe child would have ssickle cell because the mother or father dont have it, its only one part of its family have it but if the one part of its family sickle cell jeans is storng thn yes the child may get it .
Explanation:
Which option would be a good course of action in the followingscenario?
An agronomist discovers that the plants in a field are all infected with a fungus.
A. immediately apply a fungicide
B. do nothing
C. test the fungus to determine if it is beneficial to the plants
D. burn the crop before the infection spreads to other fields
Answer:
C. test the fungus to determine if it is beneficial to the plants
Explanation:
Some fungi are good so it's good to check and see what effect it has on the plants.
Answer: test the fungus
Explanation:
just did it edge 2021
To which group does the pine true?
Answer:
Pine trees are conifers!
Explanation:
Your question was a bit confusing but I'm assuming you are asking which group does pine trees belong to. Hope this helps!
Answer:
conifers
I think it's correct hope it helps
While walking through a rainforest, a zoologist spots a colorful organism growing on a dead tree stump. Further examination reveals this organism is a
multicellular organism, possesses a nucleus, and has cell walls but no chloroplasts. The zoologist would most likely place this organism into which kingdom?
O A Plantae
OB. Decomposers
C. Prokaryotes
OD. Fungi
Answer:
D:fungi
Explanation:
The zoologist would most likely place this organism into Fungi kingdom. The correct option is D.
What is kingdom Fungi?Any member of the eukaryotic group of organisms, which also includes the more well-known mushrooms and microbes like yeast and mould, is referred to as a fungus.
Eukaryotic creatures known as fungi include yeasts, moulds, and mushrooms as well as other microbes.
These organisms fall under the category of fungus. The creatures that make up the Kingdom Fungi are pervasive and have a cell wall.
As a biologist notices a vibrant organism sprouting on a stump from a dead tree.
A closer look reveals that this organism is multicellular, contains a nucleus, cell walls, but no chloroplasts. He probably would have put this organism in the kingdom of fungi.
As prokaryotes and decomposers are not having the characters given by the zoologist and plant also possesses chloroplast, so it can come under Fungi Kingdom.
Thus, the correct option is D.
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When a new viral infection appears in a population,scientists usually try to develop a vaccine against the virus. Which substances would most likely be contained in the new vaccin
Answer:
Antigen, stabilizers, surfactants, diluents, preservatives
Explanation:
Antigen: This is part of the protein structure virus or part of its genetic material. These parts are active. But sometimes, the inactivated form of the virus is also included in the vaccine. Stabilizers: Avoid other chemical reactions occurring in the interior of the vaccine. Surfactants: They prevent the occurrence of sedimentation and agglutination of the elements inside the vaccine. Diluent: Used to dilute the vaccine in an appropriate concentration before being used. Preservatives: As the word says, preservatives avoid any possible contamination of the vaccine. These elements´ use depends on the doses prepared. If it is only for one-person use, then they are not needed. But if the doses are to be used by more than one person, they need preservatives because once the vaccine is opened it is vulnerable to contamination.The presence of freckles (F) is dominant to no freckles (f). Jake and his mom have
freckles, but his sister and Dad do not have freckles. Complete the Punnett square
that shows Jake's family.
Answer/Explanation:
(F) => dominant allele for presence of freckles
(f) => recessive allele for no freckles
Since Jake has freckles while his sister has no freckles, therefore:
Jake's dad must be => (ff) (this is the only instance the recessive trait of no freckle can manifest)
Jake's mum would be => (Ff)
Let's complete the Punnett square that shows Jake's family:
Dad------|---f---|---f---|
Mum--F-| Ff | Ff
----------f-| ff | ff
(ff) × (Ff) - Jake's Parent
Ff - Jake
ff - Jake's sister
Jason is swimming in his backyard pool and notices that sounds underwater are different than sounds above water. What best explains the difference in sounds?
Answer:
The different speed of the sound waves in water and in air.
Explanation:
Sound waves are defined as the mechanical waves that are resulted from the vibrations back and forth of the particles of the medium through which the sound is moving.
The speed of the sound is faster in water than in air. Sound travels much faster in water than in air. In air the speed of the sound waves is 343 meter per second while the speed of the sound waves in water is 1480 meters per second.
In the context, Jason who is swimming in his pool hears sound differently underwater and above the water because of the difference in the speed of the sound waves above the water and in water.