Answer:
Our Genetic Code all use for example in You and I use ATGC and so would a Dogs DNA.
Explanation:
Thats the reason it looks similar we have the same building blocks. But when we arrange the letters in diffrent order is where our gentetic diversity comes from. The only slight diffrence is in RNA because it uses AU instead of AT
Which of the following structures have a role in plant reproduction?
-cones, fruit, seeds, flowers
-cones, flowers, roots, stems
-fruit, stems, seeds, stomata
-stomata, cambia, leaves, fruit
Answer:
Fruit stems seeds stomata can i have brainiest
Explanation:
Answer:
C) Fruit, Stems, Seeds, Stomata. ❤
what is percentage of oxygen of inhaled air
Answer:
21%
I hope this helps!
Which of the following statements is true for asexual reproduction?
Choose 2 answers:
Choose 2 answers:
(Choice A)
A
Mode of reproduction for Escherichia coli, a prokaryotic organism
(Choice B)
B
Can occur in animals through fragmentation
(Choice C)
C
More advantageous than sexual reproduction
(Choice D)
D
Can occur in animals through binary fission
Other guy wrong, its:
A
Mode of reproduction for Escherichia coli, a prokaryotic organism
B
Can occur in animals through fragmentation
The statements that are true for asexual reproduction are the mode of reproduction for Escherichia coli, a prokaryotic organism, and can occur in animals through fragmentation. The correct options are A and B.
What is asexual reproduction?Asexual reproduction is the type of reproduction in which there is no need for two parents. A single parent can generate offspring. They are of various types like budding, and binary fission. It is done in small organisms or primitive organisms.
Escherichia coli is a prokaryotic organism. It is a bacterium that reproduces by asexual reproduction. In bacteria, the cells of bacteria divide themselves and produce new cells called daughter cells.
Fragmentation is a process of reproduction in which there is the fragmentation of a body part that produces a new organism. It can be seen in a starfish.
Thus, the correct options are:
A. Mode of reproduction for Escherichia coli, a prokaryotic organism
B. Can occur in animals through fragmentation.
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Describe how an organism is classified currently hy Biologist
Answer: All living organisms are classified into groups based on very basic, shared characteristics. Organisms within each group are then further divided into smaller groups. The classification of living things includes 7 levels: kingdom, phylum, classes, order, families, genus, and species.
Explanation:
Answer:
Organisms are classified by how similar they are to another organism.
They also find similarities with the DNA and examining physical features.
Explanation:
Modern biologists use DNA for this. Testing an organisms DNA can greatly help in classifying organisms.
How are resources allocated?
Answer:
In economics, resource allocation is the assignment of available resources to various uses. In the context of an entire economy, resources can be allocated by various means, such as markets, or planning.
Explanation:
Hope this helps :)
Explain the concept Conservation of Matter
Answer:
Concept of Conservation: Matter cannot be created or destroyed. Matter can only change forms!
Explanation:
conservation of matter - a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
Lesson Worksheet
Multiple Choice
Circle the letter of the correct choice.
1 Which of the following is the basic unit of matter?
molecule
chemical compound
atom
nucleus
2 Water is an example of a(n)
atom
molecule
ion
native element
3 An atom is only an ion if it has more or less
neutrons than electrons
protons than neutrons
neutrons than protons
electrons than protons
4 An example of a pure element is
table salt
silicon dioxide
sulfur
calcium carbonate
5 The crystal shape of a mineral
shows how the atoms are arranged
will always be the same if it is made from the same atoms
can usually only be seen under a microscope
can help account for how hard or brittle a mineral is
True or False
Write true if the statement is true or false if the statement is false.
_______ 6. A molecule is the smallest unit of an element.
_______ 7. Protons and electrons are found in the nucleus of an atom.
_______ 8. Halides (salts) make up the largest group of minerals on Earth.
_______ 9. Coal and diamonds are different minerals because they have a different structures.
_______ 10. In a crystal, the atoms are arranged in a pattern.
Fill in the Blanks
Fill in the blank with the term that best completes the sentence.
11. 90% of Earth’s crust is made of minerals in the group called a(n) ______________________.
12. The _______________ makeup of a material is the different atoms and molecules that it is composed of.
13. Even though calcium carbonate is made by marine animals, it is still ____________________.
14. ___________________ is the substance of which physical objects are made.
15. Electrically neutral particles are called _________________.
Short Answer
Answer:
1. atom
2.
3. electrons than protons
4. salt
5.
6. false
7. true
8. false
9. false
10. true
11. silicate
12. compound?
13.
14. energy
15. neutrons
Explanation:
those are my best answers I'm pretty sure about 12 but not positive and I didn't know about 2, 5 or 13. I hope it still helped though
Which of the following does NOT indicate a chemical reaction occurred?
A
A gas being produced
B
A solid being formed
C
A change in temperature
D
Temperature staying the same
Answer:
D Temperature Staying The Same
Explanation: Some indicators of a chemical reaction occured are a solid being formed, a flame being formed, a temepature change, a gas being formed, a change in color ect. Temperature staying the same is not one.
Fermentation does not produce ATP. Why is fermentation such an important process in cells
Answer:
In humans we go through Lactic Acid Fermination
Explanation:
It is important because after glycolysis we have the elctron carrier NAD+ reduced to NADH and we cant continue glycolysis until we have NADH back to NAD+ so all lactic acid fermintation does it removed the electron and allow glycolysis to continue. It should be noted that fermintation occurs when there is no oxygen / not enough to continue cellular respiration so we rely on glycolysis to produce very little ATP while oxygen is replenished,
Sara is watching television when the power goes out. When she walks to the kitchen to get a candle, she knocks over a chair. She lights a match and holds it to the wick of the candle. She uses the light from the candle to find her way to the chair, which she picks up and sits in. Which of the events was a chemical change? *
Answer:
She lights a match and holds it to the wick of the candle.
Explanation:
Chemical change produces the required products of reactants by an irreversible reaction. For there to be a chemical change, a chemical reaction between reactants must occur.
Lighting of a match is a chemical change in which the friction between the match box and the gun powder on the stick produces a flame. This reaction produces a product by an irreversible process. After the flame burns out the wick of the candle, it can not be reversed.
you are pushing a box to the right with a force of 15n. The friction from the floor opposes the movement with a force of 5n. What is the net force
Answer:
10n
Explanation:
15n-5n=10n
Since the floor opposes the movement you would subtract the amount of friction(5n) from the total force that it was being pushed by (15n), thus you would get 10n.
Which sphere of the Earth system includes snowfields, ice caps, and frozen ground?
What is the difference between the Greenhouse Effect and Global Warming?
Answer:
Global warming is the change in the climate of the earth causing it to heat up whereas the greenhouse effect is a naturally occurring phenomena, constantly occurring due to the atmosphere and sunlight.
This is the chemical reaction that occurs duting photosynthesis, identify which of these is a product in this chemical
reaction
3. How is this process similar to runners and tubers?
Answer: Runers horizontal stems egg srawberry or spider plants. Tubers underground food stores
Explanation: it's right
What is medication? Choose all that apply.
a medicine or drug
comes only in tablets
an agent to cure
an aid for diagnosis
Answer:
1,3,and 4
Explanation:
Answer:
1. a medicine or drug
3. an agent to cure
4. an aid for diagnosis
Took the assignment on edge 2021
What are the uses of the energy provided by ATP in the living cells?
Answer:
ATP functions as the energy currency for cells. It allows the cell to store energy briefly and transport it within the cell to support endergonic chemical reactions. The structure of ATP is that of an RNA nucleotide with three phosphates attached.
A dam created with waste rock from surface mining is called a(n) __________.
A)
interglacial period
B)
valley fill
C)
placer deposit
D)
sanitary landfill
E)
ore deposit
Answer:
i believe it's C
Explanation:
A scientist has been tracking and studying a population of deer in Yellowstone National Park. He surveys the population every six months. Usually, the population is thriving and has a gene pool with a wide variety of traits. But during one six-month period, an event occurred that affected the population, and when the scientist returned, the amount of genetic variation had decreased significantly. Which of the following is most likely the event that occurred to change the population? Yellowstone National Park expanded its borders. A population of wolves was introduced into Yellowstone National Park. The amount of disease in the deer population decreased. More grass and shrubs were planted in Yellowstone National Park.
Answer:
[tex]\boxed {\boxed {\sf B. \ A \ population \ of \ wolves \ was \ introduced \ to \ Yellowstone \ National \ Park }}[/tex]
Explanation:
Let's evaluate each choice. Remember we are looking for an event to decrease the genetic variation and population.
A. Yellowstone expanded its borders
If the park expanded, it's likely the population would increase. There would be more space and resources for the deer.B. A population of wolves was introduced
A wolf is a predator that preys on deer. If they were introduced, they would use the deer as a food source and decrease the population.B seems like a good answer, but let's check the others.
C. The amount of disease in the deer population decreased.
This would help the deer population. Less disease means fewer deaths and a greater population.D. More grass and shrubs were planted in Yellowstone
Deer are herbivores, so grass and shrubs would provide more food. This would keep the deer nourished and healthy, meaning a greater population.The best answer choice is B: A population of wolves was introduced into Yellowstone National Park
Answer:
answer B is correct I just took the test!
Mary Jane's red hair is a recessive trait. If Peter is heterozygous for hair color, what is the chance their baby will have red hair?
A: 3/4
B: 2/4
C: 1/4
D: 0
When plants need to store the extra glucose they make during photosynthesis, they join the glucose molecules together to make
Answer:
Plants store glucose in the form of starch a polysaccharide
Explanation:
What is the answer for this one?
Answer:
Explanation:lol I n
5. Which of the following about Mendel's Law of Segregation is false?
a. It states that each of two alleles for a given trait segregate into different
gametes
Explanation:
Each gamete has an equal probability of containing either allele.
Hemophilia is an X-linked recessive disorder that is passed through generations and can be traced by using a pedigree.
A genetic pedigree is shown. The parents of Irena have alleles of Upper X Superscript Upper H baseline Upper Y and Upper X superscript Upper H baseline Upper X Superscript h.
In the pedigree that is shown, which represents Irene's allele combination?
XhXh
XHXh
XHXH
XhY
Answer: C. XHXH
Have a nice day guys!!
Answer:
C.)
Explanation:
describe why the marine environment is the least stressful for cells to survive in.
What is the first step of DNA replication?
A. Free nucleotides bond together in the correct sequence.
B. A single-stranded RNA molecule forms.
C. The DNA transfers its information to RNA through an amino acid.
D. The DNA molecule unzips along weak hydrogen bonds.
Answer:
D
Explanation:
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
DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. The option (D) is correct.
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
Moreover, DNA must replicate (copy) itself so that each resulting cell after mitosis and cell division has the same DNA as the parent cell. All these cells, the parent cell and the two new daughter cells, are genetically identical.
Therefore, DNA replication is the process of creating two identical daughter strands of DNA. DNA replication occurs in the nucleus in eukaryotic cells and in the nucleoid region in prokaryotic cells. DNA replication occurs in S phase during the cell cycle prior to cell division.
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Would a cross of two
dwarf-height pea plants pro-
duce regular-height offspring?
Hint: Use a Punnett square to
determine the answer
Answer:
no
Explanation:
in the punnet square, your results would be 4 dd. 100% chance of a dwarf sized plant
This happens when water vapor rises, cools off then gets closer together and forms clouds.
HELLLPPP
Answer:
Condensation....I think
Answer:
I would believe the answer is condensation. sorry if it's wrong, I haven't taken this course in a long time. <333
Four groups of students plan scientific investigations to answer four questions for the science fair. Which question would most likely be answered with an experimental investigation? 1 2 3 4
Answer:
the answer is 3
Explanation:
have a great day!
three question would most likely be answered with an scientific investigation
What is scientific investigation ?Scientific investigation is the process of scientific inquiry and the discovery of the objects can be can be things, events, processes, causes, and properties as well as theories and hypotheses and their features.
It can promote the emergence of technologies with the advances that allow new ideas, systems and machines to be created. The scientific knowledge used to develop new technologies, solve practical problems, and make informed decisions both individually and collectively.
The results of Scientific investigation can be useful, the process of science is intertwined with those applications like New scientific knowledge may be applied in new applications
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I need help on this question
Answer:
B
Explanation:
Because the turtles are testudines.
The answer to the question is A