Answer:
Explanado yo have a picture
2. What nucleic acids are involved in the process of transcription?
Answer:RNA
Explanation:The main enzyme involved in transcription is RNA polymerase, which uses a single-stranded DNA template to synthesize a complementary strand of RNA.
Study the processes that makes cells work
Answer:
One cell divides into two in a process called mitosis. Mitosis produces two genetically identical “daughter” cells from a single parent cell. Another type of cell division, meiosis, creates four daughter cells that are genetically distinct from one another and from the original parent cell. Only a few special cells can perform meiosis: those that will become eggs in females and sperm in males
Explanation:
Nutrients are needed for: a.cells to produce proteins and other bio chemicals b. Animals to build shells and skeletons c. Plants to grow d. All of these
Answer:
Nutrients are compounds in foods essential to life and health, providing us with energy, the building blocks for repair and growth and substances necessary to regulate chemical processes. There are six major nutrients: Carbohydrates (CHO), Lipids (fats), Proteins, Vitamins, Minerals, Water
Explanation:
a point mutation changes the DNA sequence CGA to CGT but the same protein is still produced. which point mutation occurred
Answer: The correct answer is silent mutation . In this type of mutation there is no change in the phenotype of the individual which means there occurs a mutation where two different amino acid codes for the same protein .There are sequences present in the body where a point mutation occurs but the protein formed is still the same .If you will see the genotype you can easily observe that the amino acid sequence is different but the protein formed is same. Example AAA codes for lysine and the amino acid lysine is formed by AAG .
HOPE THIS HELPS
Answer:
silent mutation
Explanation:
hope this helps
What are the 3 types of plate boundaries? Describe each.
Explanation:
Divergent boundaries -- where new crust is generated as the plates pull away from each other.
Convergent boundaries -- where crust is destroyed as one plate dives under another.
Transform boundaries -- where crust is neither produced nor destroyed as the plates slide horizontally past each other.
Help please!!!!!
What is true of dermal tissue?
a. It forms the outer layer of the plant
b. It includes structures such as the root hairs
c. Its primary function is protection
d. All of the above
Answer: D. All of the above
Dermal tissues also called epidermis, make up the outer layer of all plant organs (Roots, leaves e.t.c). They have three main tissue types which are ground tissue, vascular, and dermal, all plant organs contain these three tissues.
PLEASE HELP
" Your alien friend from planet Xenon is visiting and wants to learn how to breed pea plants. You show your friend a recent batch of pea plants with purple flowers that you grew by crossing plants that had purple flowers with plants that had white flowers. Your alien friend is still confused as to why all your plants have purple flowers. How would you explain the most, simplest way possible, what happened?
Enter your answer in the space provided. "
Answer:
well you mixed two different types or colors of flowers
Explanation:
If a dog starts to put its paw down on a sharp stone, the tough skin skin protects underlying structures from damage. Additionally, touch receptors in the skin send sensory signals to the spinal cord. The spinal cord then sends a signal to the muscles to lift the paw rather than continuing to press down. In this scenario, the dog may experience discomfort but avoid injury.
What two body systems are being used to protect the structures beneath the dog's skin and signal the muscles to lift the paw?
A.
integumentary and nervous systems
B.
circulatory and nervous systems
C.
circulatory and lymphatic systems
D.
integumentary and lymphatic systems
PLZZ HELP QUICKKK
The two body systems being used to protect the structures beneath the dog's skin and signal the muscles to lift the paw are the integumentary and nervous systems, which are in option A.
What is the organ system?The dog's response to the sharp stone involves the coordinated action of two body systems: the integumentary system and the nervous system. The integumentary system consists of the skin and its associated structures, including hair, nails, and glands. The skin acts as a protective barrier between the external environment and the underlying tissues, and it has specialized structures, such as tough, keratinized layers in the paw pads, that can withstand pressure and protect the sensitive tissues underneath.
Hence, the two body systems being used to protect the structures beneath the dog's skin and signal the muscles to lift the paw are the integumentary and nervous systems, which are in option A.
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PLSSSSS HELPPP CANT GET WRONG PLSSSSSSSS HELPPPP
Which of the following is NOT an example of natural selection?
A. Plants with thorns are less likely to be eaten by herbivores than other members of the same species that lack thorns.
B. Bacterial populations in hospitals develop resistance to drugs used to combat infection by them.
C. Scientists breed cows that give greater amounts of milk than their ancestors.
D. Fruit fly larvae with an enzyme to break down alcohol are better able to feed on fermenting fruit than those that lack the enzyme.
Answer:
The correct answer would be - C. Scientists breed cows that give greater amounts of milk than their ancestors
Explanation:
Natural selection is the process of adapting according to the new changes in condition and change accordingly to survive. So the individuals of organisms that are better and adapt faster to survive and reproduce better than others are the result of natural selection.
Plants developed thorns so they can be avoided by predators is the adaption and example of natural selection. Similarly, bacterial populations adapt and develop resistance to the drug. Fruit fly larva developed and adapt as well. Breeding cows for more amount of milk than ancestors by scientists is not natural selection.
where in the fossil record would you expect to see older common ancestors
How would gradualism persent in the fossil record
Answer:
hii
Explanation:
what are you doing
how are you doing
A science class is doing an experiment on how light affects the growth of plants. One set of plants is placed under a special light, a second set
of plants is placed in the dark. A third set of plants is left under normal room lights. The class measures and charts each plant's growth for a
week.
In this experiment, the third set of plants that was placed under normal room lights would be identified as the
Answer:
control group
Explanation:
If you dissected an owl pellet and found several of the skulls shown, what would you conclude is the preferred prey of this owl?
bat
gopher
mouse
shrew
Answer:
The answer is C. mouse
Explanation:
Answer:
it is c or mouse
Explanation:
Everyone baj-thts-drh
Answer:
Explanation:
erkjbribuerjbnoeibfejrv HI kwjvneiurbvervwe
Long tail X short tail + all long.
Mate two of these long tailed mice together and you get 3/4 long, 1/4 short.
C. Incomplete dominance
E. Dihybrid cross
A. Dominant/recessive gene
B. Codominance
D. Lethal gene
Which of the following is possible genotype for the offspring?
Answer:
a or d
Explanation:
i believe it is one of those
Answer:d. long tailed, stripped fur
Explanation:
Can anyone help me with these please
Answer:
6. Current = 8.33 Amps
7. Energy = 1200 Joules
Explanation:
Given the following data;
6. Power = 1000 Watts
Voltage = 120 Volts
To find the current flowing through;
Power = current * voltage
1000 = current * 120
Current = 1000/120
Current = 8.33 Amps
7. Power = 900 Watts
Time = 45 minutes to hours = 45/60 = 0.75 hours
To find the energy consumption;
Energy = power/time
Energy = 900/0.75
Energy = 1200 Joules
Yeast is added to bread dough before baking. After several minutes, the bread dough rises. Use your experiment to explain how respiration of yeast is important for the baking process.
Answer:
The purpose of any leavener is to produce the gas that makes bread rise. Yeast does this by feeding on the sugars in flour, and expelling carbon dioxide in the process.
While there are about 160 known species of yeast, Saccharomyces cerevisiae, commonly known as baker's yeast, is the one most often used in the kitchen. Yeast is tiny: Just one gram holds about 25 billion cells. That amount of fungi can churn out a significant amount of carbon dioxide, provided it has the simple sugars it uses as food. Fortunately, yeast can use its own enzymes to break down more complex sugars—like the granulated sugar in the activity below—into a form that it can consume.
Make a yeast-air balloon to get a better idea of what yeast can do
Yeast is a unicellular fungus which undergoes anaerobic respiration to produce ethanol and carbon dioxide gas.
How does yeast fermentation work in bread-making?In a process known as fermentation, yeast consumes the sugar present in the dough to produce carbon dioxide and alcohol.The dough is kept in a warm area throughout the baking process.Fermentation occurs as a result of heat.However, if the temperature is too high, the yeast is killed during the cooking process.As the dough ferments, carbon dioxide is created and trapped as microscopic air bubbles. The expansion of carbon dioxide during baking allows the bread to rise higher. During the bread-baking process, the alcohol created during fermentation evaporates.This is how yeast fermentation plays a vital role in the baking process.
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Multiple Choice
Which of the following is a good source of DNA, useful in determining identity in a forensic case
medical records
O teeth and dental records
O laundered clothing
O x-rays of the corpse
A: the leopard population will increase
B: the hawk population will increase
C: the impala population will decrease
D: the scorpion population will decrease
please answer
C: the impala population will decrease
Answer:
I remember doing this in 7th grade its A. The leopard population will increase because they are eating the baboon tu survive the baboons are decreasing while leopards are increasing
An ecosystem experiences a ten year drought. As a result of the
drought, many plant and animal species are not able to survive.
What will be the effect on the biodiversity and sustainability of the
ecosystem?
A. Increased biodiversity and increased sustainability
B. Decreased biodiversity and increased sustainability
C. Increased biodiversity and decreased sustainability
D. Decreased biodiversity and
decreased sustainability
Please help I need to be done with this TODAY.
Answer:
D. Decreased biodiversity and decreased sustainability
Explanation:
The correct answer is Decreased biodiversity and decreased sustainability.
Weak sustainability is a concept inside environmental economics that states that 'human capital' can substitute 'herbal capital'. It is primarily based totally upon the paintings of Nobel Laureate Robert Solow, and John Hartwick.
Biodiversity loss refers back to the decline or disappearance of organic diversity, understood because of the style of residing matters that inhabit the planet, its distinctive ranges of the organic corporation, and their respective genetic variability, in addition to the herbal styles found in ecosystems.
What is an ecosystem?An environment is a geographic region wherein plants, animals, and different organisms, in addition to climate and landscape, paintings collectively shape a bubble of life. Ecosystems incorporate biotic or residing, parts, in addition to abiotic elements, or nonliving parts. Biotic elements consist of plants, animals, and different organisms although related, sustainable improvement and sustainability are distinctive concepts.
Hence clear that Decreased biodiversity and decreased sustainability are correct.
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The predicted values for the four phenotypes form a ratio. The simulated values match this predicted ratio.
Answer: 9:3:3:1 and approximately
Explanation: just did it
Answer: 9:3:3:1 and approximately
Explanation: edge 2022
Why is the structure of a
nucleosome so important?
Answer:
In eukaryotes, nucleosomes play major roles in chromatin organization and gene expression
Explanation:
In eukaryotic organisms, chromosomal DNA is packaged with the help of proteins called 'histones' to form chromatin. The nucleosomes represent the basic packing units of the chromatin. Each nucleosome is composed of a histone octamer containing each two histones H2A, H2B, H3 and H4 wrapped around by 147 bp of DNA. Nucleosomes act as scaffolds to form higher-order chromatin structures (i.e., 30-nm chromatin fibers and condensed chromosomes). Moreover, nucleosome histone proteins can be chemically modified at defined amino acid residues, and thus nucleosomes also provide an epigenetic layer of information that can promote or inhibit gene expression.
How is your body temperature held constant?
The elasticity of those capillaries plays a central role in our ability to maintain constant body temperatures. When there's too much heat in the body, our capillaries automatically expand and increase the blood flow to the skin, allowing the excess heat to transfer to the air.
Physical description of a cell membrane?
Answer:
Cell membrane
Explanation:
A cell membrane is basically a protection of the cells. It controll what goes in and out of the cell and separates the interior of the cell from the outside environment. they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, etc that mediate cellular activities to pass between organelles.
The __________ system consists of the brain, spinal cord and nerves.
A. nervous
B. circulatory
C. digestive
Answer:
A. Nervous
Explanation:
cmon man is this even a question??
Are the eyelid muscles voluntary or involuntary?
Write 3 sentences about what you learned yesterday about phases of the moon.
Answer:
1) There are 8 main phases of the moon: new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent.
2) A full moon occurs about once a month. (every 29.5 days to be exact)
3) The phases of the moon are caused by the light from the sun and the moon's orbit around the Earth.
Sentence Arrange s— Put the steps of DNA replication in order by writing a number in the space before each statement.
Two new molecules of DNA are created.
_____
DNA polymerase attach the free-floating nucleotides to the exposed nitrogen bases.
_____
Helicase begins to break the hydrogen bonds between nitrogen bases.
_____
Cell starts into the mitosis phase of the cell cycle.
_____
Free floating nucleotides pair up with exposed nitrogen bases.
_____
Complete the statement guanine, cytosine, and thymine are the four nitrogen bases.
_____
In DNA, always forms hydrogen bonds with guanine.
_____
The sequence of carries the genetic information of an organism
_____
The process of produces a new copy of an organism's genetic information.
_____
The double coiled shape of DNA is called a
_____
Answer:
1. Cell replication starts into the mitosis phase of the cell cycle
2. Helicase begins to break the hydrogen bonds between nitrogen bases
3. The double coiled shape of DNA is called double helix
4. DNA polymerase attach the free-floating nucleotides to the exposed nitrogen bases.
5. Free floating nucleotides pair up with exposed nitrogen bases
6. Guanine, Adenine, cytosine and thyamine are the four nitrogen bases
7. In DNA, cytosin always forms hydrogen bonds with guanine.
8. The sequence of DNA carries the genetic information of an organism
9. The process of mitosis produces a new copy of an organism's genetic information.
10. Two new molecules of DNA are created
Explanation:
Through this replication process two complete molecules of DNA are created from one DNA molecule, with a double helix structure. This event is important for every organism in order for they to grow, reproduce and repair.
There are many proteins and enzymes that take part in all these steps.
The correct order of DNA replication is:
1. Cell replication starts into the mitosis phase of the cell cycle.
2. Helicase begins to break the hydrogen bonds between nitrogen bases.
3. The double coiled shape of DNA is called a double helix.
4. DNA polymerase attaches the free-floating nucleotides to the exposed nitrogen bases.
5. Free-floating nucleotides pair up with exposed nitrogen bases.
6. Guanine, Adenine, cytosine and thymine are the four nitrogen bases.
7. In DNA, cytosine always forms hydrogen bonds with guanine.
8. The sequence of DNA carries the genetic information of an organism.
9. The process of mitosis produces a new copy of an organism's genetic information.
10. Two new molecules of DNA are created.
What is DNA replication?
DNA replication is the process by which a molecule of DNA is duplicated.
When a cell divides, it must first duplicate its genome so that each daughter cell winds up with a complete set of chromosomes.
Thus, the correct order of DNA replication is that.
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Name 4 systems that perform the process nutrient absorption
Answer:
The digestive system does that know just search up what is in the digestive system in gogle
Explanation: