Answer: The Arctic Tundra.
Which event takes place first during
DNA replication
Answer:
The first step in DNA replication is to 'unzip' the double helix structure of the DNA? molecule. This is carried out by an enzyme? called helicase which breaks the hydrogen bonds? holding the complementary? bases? of DNA together (A with T, C with G)
Explanation:
I will mark brainliest
Answer:
An important term in genetics that was not used by Mendel was the word "gene", a particle of the chromosome responsible for the traits of a living being. The molecule discovered by Oswald Avery - related to genes and inheritance - was DNA, a discovery he made in 1944.
Explanation:
Despite being considered the father of genetics and providing important information about the inheritance of traits, Mendel did not go so far as to use the term "gene," which is where the alleles responsible for those traits reside. The term "gene" was first used by another botanist, Wilhelm Johanssen, who in 1909 proposed the use of the word gene as the name of the particle responsible for inheritance.
In 1944, the Canadian physician Oswald Avery, faced with the mistaken belief that genes were found in proteins, proposed an experiment where he discovered that the molecule responsible for heredity was deoxyribonucleic acid, or DNA.
(NEED HELP ASAP) True or False: Some food molecules (fiber, starch, glucose,etc.) that enter the body never leave the digestive system?
Answer:
True
Explanation:
3) What classification of unconformity occurs when sedimentary rock overlies igneous rock?
A) disconformity
B) nonconformity
C) angular unconformity
D) conformity
Answer:
B nonconformity
Explanation:
Please help with this question worth 20 points
Answer:
To double its attacking power.
Explanation:
"Interaction with armed helper T cells activates the B cell to establish a primary focus of clonal expansion. Here, at the border between T-cell and B-cell zones, both types of lymphocyte will multiply for several days to constitute the first phase of the primary humoral immune response."
Why are fossil fuels cheaper in some places and more expensive than others?
Answer:
there could be a higher density of fossil fuels in one place, making its collection easy, where in another place, there might be a very low density of fossil fuels, making it hard to get, and therefore making it more expensive.
Explanation:
fossils aren't a blanket under the earth's crust. its spread out.
Describe the polar regions. Help please!
Answer:
Polar region, area around the North Pole or the South Pole.The northern polar region consists mainly of floating and pack ice, 7–10 feet (2–3 m) thick, floating on the Arctic Ocean and surrounded by land masses.
Climate - long cold winters, with annual temperatures mostly below freezing.
Soil - the soil is covered in ice throughout the year.
Plants - hundreds of species of moss, algae and lichen survive the harsh conditions of the Polar biome.
1) What is the monomer (building block) of a protein?
Amino Acids
Nucleotides
Legos
Answer:
Amino acids
Explanation:
What causes a volcanic eruption?
Water covers approximately:
a. 25% of Earth's surface
b. 50% of Earth's surface
c. 70% of Earth's surface
d. 95% of Earth's surface
Answer:
c. 70% of Earth's Surface
The stomach is a relatively small muscular organ compared to the small intestine that can be a long as six meters
How are proteins made and secreted out of the cell by using active transport
Answer:
diffusion
Explanation:
it puts it out and reduces it
PLEASE HELP QUICKLY! ANSWER AS MANY AS POSSIBLE. DO NOT ONLY SAY "I don't know"
1. How do we know the continents were ever connected (what evidence do we have)?
2. What does the map show about the Earth 225 million years ago ?
3. In what era was the Mesosaurus alive?
4. What animal do you think the Lystrosaurus is related to today and WHY?
Answer:
1. Wegener then assembled an impressive amount of evidence to show that Earth's continents were once connected in a single supercontinent. Wegener knew that fossil plants and animals such as mesosaurs, a freshwater reptile found only South America and Africa during the Permian period, could be found on many continents.
2. It shows that all continents started from a one large land mass. It might be named Pangea. Because people are close to each other, it's so easy to talk and talk about things not just about them but also about other people.
3.Mesosaurus, (genus Mesosaurus), early aquatic relative of reptiles, found as fossils from the Early Permian Period (299 million to 271 million years ago) in South Africa and South America.
4.The Lystrosaurus is a mammal-like animal from the early Triassic period that roamed modern day regions such as India, South Africa and Antarctica over 250 million years ago. It has tusks like an elephant and a beak similar to a turtle, and it was roughly the size of a pig.
Explanation:
hope that helps
what is the average for a human piens
A 2.inc
B 4inc
C 10 inc
D 1 feet
Answer:
the average size is 4 inch. I think
Answer:
B. 4in
Explanation:
I'm not sure, and I don't want to look it up.
But that's the most reasonable.
2 is too small, 10 in is to big and 1 foot is to big.
If a strand of DNA has 45% A, what percent will be C?
Answer:
55%
Explanation:
Answer:
[tex]\boxed {\boxed {\sf C=5\%}}[/tex]
Explanation:
There is a method to calculating base percentages known as Chargaff's Rule. It states:
[tex]A+T+G+C=100\%[/tex]
We know the DNA has 45% Adenine or A.
Adenine always pairs equally with Thymine. In other words, the percentage of adenine equals the percentage of thymine (45% Thymine or T).
[tex]45\%+45\%+C+G=100\%[/tex]
[tex]90\%+C+G=100\%[/tex]
Subtract 90% from both sides.
[tex]90\%-90\%+C+G=100\%-90\%[/tex]
[tex]C+G=10\%[/tex]
Cytosine(C) and Guanine(G) pair equally and their percentages will be equal. We can divide 10% by 2.
[tex]C+G=10\% /2[/tex]
[tex]C/G=5\%[/tex]
The percentage of Cytosine or C is 5 percent.
Are mitochondria found in plant cells, animal cells, or both??
Please help:)
Answer:
Both.
Explanation:
Both animal and plant cells have mitochondria, but only plant cells have chloroplasts. Plants don't get their sugar from eating food, so they need to make sugar from sunlight.
Answer:
Both.
Explanation:
Without mitochondria, cells would not be able to function, no matter what type they are. Mitochondria is the powerhouse of the cell! Hope this helped
Before deciding on a medium to use, what should the presenter do?(1 point)
compare the strengths and limitations of each medium
decide on the number of still or moving images they need
know the age and size of their audience
chose the form they feel most comfortable with
Answer:
♡ madeline here! ♡
- -it's c ʕ •ᴥ•ʔ
hope I could help! have a great day
✧･ﾟ: *✧･ﾟ:･ﾟ✧*:･ﾟ✧･ﾟ: *✧･ﾟ:･ﾟ✧*:･ﾟ✧
.
Explanation:
Answer:
A) Comparing the strengths and limitations of each medium
Explanation:
That's what is said on the lesson and this is 100% right!
what are the building blocks of muscle and it provides 4 calories for every gram
Answer:
Protein
Explanation:
Protein is made up of amino acids that help to grow, maintain and repair different tissues in the body- including muscle.
Answer: The answer is protein
Explanation: I got it right on my test
A cell is 30 µm in width. Assume that the cell is cube shaped.
What would be the length of the side of the cell if you wanted to double the surface area to volume ratio of the cell?
Answer:
15
Explanation:
I got it wrong and this was the answer it gave me
What role does gene expression play in determining traits on an offspring? Explain your response
Gene expression has been defined as the process where the genes produce proteins and RNA. They determine the traits in offspring as various types of proteins pass from parent to offspring.
What is gene expression?Gene expressions are said to be the expression of the genome products in the cell that undergoes the process of transcription and translation to produce the RNA and protein structures that are responsible for providing the phenotype and genotype.
The genes code for the RNA and protein that regulates the amount and type of proteins to be expressed in the offspring that are passed from a parent through reproduction methods. They are hereditary patterns that vary in some amount to make two individuals different from each other.
Therefore, gene expression plays an important role in determining the trait in offspring.
Learn more about gene expression, here:
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where in a stem cell of an embryo is the instructions for how to build organs?  a. ribosomes  b. endoplasmic reticulum  c. Golgi apparatus  d. nucleus
Answer:
. In the nucleus.
Explanation:
The information for all bodily functions resides in DNA in every cell.
what would happen to your body of blood pressure didn't work as it should?
Answer:
Vision problems. Heart attack. Stroke.
Explanation:
Answer:
Many things.
Explanation:
Blood pressure is a needed thing in a body. It gets blood to your organs and everywhere that needs it. If it didn't work, many things could happen.
Too high BP(hypertension):
If your blood pressure is too high, it can cause ruptured vessels, heart attacks, strokes, heart failure, which is where the heart enlarges too much to continue pumping blood at the adequate pressure/speed, kidney disease/failure, which would be from damage to the arteries around the kidneys, vision loss due to damage to the vessels in the eyes, angina, which is chest pain due to narrowed vessels in the chest, some forms of which may cause heart attacks.
Too low BP(hypotension):
If you're experiencing hypotension, there are many things commonly associated with it. These are dizziness, fainting, nausea, blurred/fading vision, lack of focus, and fatigue. If hypotension becomes extreme, it can cause someone to go into shock, which is life threatening and can and will cause death.
A single covalent bond exists when two atoms share ………………pair(s) of
valence electrons
Which of the following qualifications is the same for both Senators and Representatives?
You must have a college degree.
You must be a Christian.
You must be a legal resident of the state you represent.
You must be at least 30 years old.
Answer:
You must be a legal resident of d state u represent
Explanation:
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In raindeer black noses B are dominant over red noses b and walking domabst W over fly w. Cross 2 heterozygous reindeer ? What are the possible phenotypes and ratios?
I got BW, Bw, bW, and bw
you should be able to get all the possible traits because both of them are heterozygous.
Which internal structure is an adaptation that provided organisms with the function to perform gas exchange on land?
Answer:lungs
Explanation:
Lungs
The different between two molecules included the type of sugar that forms a section of the molecules and the identify of one of the four nigtrogenous bases that make up another section of the molecules. These two molecules are
Answer:
DNA and RNA
Explanation:
The difference between two molecules include the type of sugar that forms a section of the molecules and the identity of one of the four nigtrogenous bases that make up another section of the molecules. These two molecules are Ribonucleic acid and Deoxyribonucleic acid.
Ribonucleic acid contains Ribose sugar while Deoxyribonucleic acid contains Deoxyribose sugar which is the major difference between the two molecules.
_______ is where both organisms gain from the interaction. A. Commensalism B. Mutualism C. Predation
Answer:
B. Mutualism
Explanation:
Mutual means both parties feel the same way, so they both gain from the interaction. I just looked at the root of the word
Answer:
b . mutualism
Explanation: MUTUALISM IS A FORM OF SYMBIOSIS WHEREBY BOTH ORGANISMS INVOLVED BENEFIT FROM THE RELATIONSHIP
WHY IS A CENTER OF A DAISY YELLOW AND ITS PETALS ARE WHITE
HELP AND ILL PUT YOU ON BRAINLIEST - THANKYOU
Answer: B
Explanation:
Answer:B
Yellow light is reflected from the center so that means it is scattered. White light (all colors) is reflected off the petals.
5 internal and external ways to help your skin please will mark brainliest