the plants have utilized the energy of sunlight to produce glucose (and ultimately other carbohydrates, proteins and fats) and oxygen from water and carbon dioxide.
(hope this helps ^^)
How does niche affect organisms populations in an ecosystem
Answer:
Without the ecological niches, there would be less biodiversity, and the ecosystem would not be in balance.
Explanation:
A species' ecological niche can be defined as the range of resources and conditions allowing the species to maintain a viable population a more simple definition is if two species have the same niche, one species will exclude the other.
Shannon is making a Venn diagram to organize the characteristics of cell walls and cell membranes. Which pair of characteristics both belong in the two areas of the Venn diagram that do not intersect?
Answer:
its b
Explanation:
Answer: B) Contains mostly cellulose; forms the outer layer of animal cells.
Explanation:
nya
what is a substance that increases the hydrogen ion concentration in a solution.
Answer:
Explanation:
Acid. is a substance that increases the hydrogen ion concentration in a solution.(hight H+ concentrations) ~When hydrochloric acid is added to water, hydrogen ions dissociate from chloride ions: HCl -> H+ + Cl− ~Addition of an acid makes a solution more acidic.
what is the goal of seed dispersal? 10 points
A. to help plants grow more quickly
B. to have new plants that grow far away from parent plants so that they dont compete for resources
C. to spread different species of plants to different parts of the world
D. to spread seed evenly to a given area
Answer:
B. to have new plants that grow far away from parent plants so that they dont compete for resources
Explanation:
Which timeline shows the correct order of contributions made to the discovery of DNA?
(Options are in screenshots below!)
Answer:
The correct answer is B.
Explanation:
DNA was discovered in 1800, and then scientists studied DNA with X-Rays. After a while, scientists published a 3D model of DNA, and shortly after, scientists decoded DNA genes. So the answer is Option B.
Hopefully, this helps! :D
Ask your question below!
In the 1800s first the discovery of DNA was done, than the X-ray study of the DNA was done, after that the 3-D model of the DNA was developed, and finally human genetic code was decoded in the 1960s.
• The DNA was initially identified in the late 1860s by Friedrich Meischer, a Swiss chemist.
• After that Rosalind Franklin and Wilkins studied DNA with the help of X-ray diffraction tool.
• In the 1953s, the 3D model of the DNA molecule was discovered by Watson and Crick.
• Finally in the 1960s, Nirenberg and his colleagues at the National Institutes of Health deciphered the human genetic code.
Thus, the second timeline shows the correct order of contributions made to the discovery of DNA.
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Name and describe three organelles found in a eukaryotic cell.
Answer:
Mitochondria- Creates energy in the form of ATP
Lysosome- Removes waste and can destroy the cell in a process called apoptosis.
Golgi- Transport proteins synthesized by the cell
Help plz asappppppppp
Answer:
A. Whales evolved from four-legged animals.
Explanation:
I'm 100% on this one, because on Plato we were learning about evolution, and one of the slides said that whale had evolved from four legged animals.
Hope this helps ya!!!
Got a screenshot for proof!
Which of the following research questions would not be tested using inferential statistics?
A.
Do more males than females consider sports to be an important part of high school?
B.
How many individuals in the state of Texas earn over $35,000 a year?
C.
Are intelligence and creativity related?
D.
Does the amount of time an individual spends watching television influence fatigue level?
Answer:
B.
How many individuals in the state of Texas earn over $35,000 a year?
Explanation:
The correct option is (B) How many individuals in the state of Texas earn over $35,000 a year?
What is inferential statistics?Inferential statistics is a branch of statistics that makes the use of various analytical tools to draw inferences about the population data from sample data.
Inferential statistics is based on the concept of random sampling from a group of population and on the basis of these random samples inferences or conclusion are drawn.
Such kind of studies are important when taking inputs from each and every member of the population is not possible.
Thus, all the given research questions can be tested using inferential statistics but in case of option (B) the information from each and every person is required to draw the inference.
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2. Which of the following is a CORRECT pairing of the RNA type and the
description?
tRNA / contains codons which determine the correct amino acid sequence for a
protein
mRNA / formed from the DNA gene sequence with the help of RNA polymerase
O rRNA / formed in the nucleus and carries amino acids to the ribosome
mRNA / contains anti-codons which are complements to tRNA codons
ANSWER
mRNA - formed from the DNA gene sequence with the help of RNA polymerase.
EXPLANATION
mRNA contain codons which are complement to
tRNA anticodons.
rRNA formed in nucleolus.
tRNA carries the amino acid.
1. What important gas do we take in when we breathe?
Answer:
our body needs to breathe we take oxygen and throw out carbondioxide.
Respiration is the process in which organisms break down food to release ____.
a.
energy
c.
sugar
b.
nutrients
d.
oxygen
Answer: a. energy!!!
Explanation:
It's me again!! Hope this helped!! :D
Answer:
Sugar
Explanation:
I am not completely sure but correct me if I am wrong. Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.
Hope it helps!!!!
Which of the following are true about cancer? Check all that apply.
Cancer cells display contact inhibition.
Cancer is contagious.
Cancer cells divide uncontrollably.
Cancer can spread around the body.
Cancer comes in many forms.
Cancer affects only the elderly.
Cancer cells invade healthy tissue.
Cancer does not obey contact inhibition.
Answer: I think these are the answers:
- Cancer can spread around the body.
- Cancer cells invade healthy tissue.
- Cancer cells display contact inhibition.
- Cancer comes in many forms.
- Cancer cells divide uncontrollably.
and I think "Cancer does not obey contact inhibition." is one too... I hope this helps! :D
Explanation:
Cancer cells:
• Divide uncontrollably
• Comes in many forms
• Invade healthy tissues
• Does not obey contact inhibition
What is cancer?Cancer is a diseased condition in which uncontrolled cell division takes place.
Cancer are of two main types: benign and malignant.
Benign tumours are localized to a particular organ and thus can be removed through chemotherapy or surgery.
Malignant tumours spread to body parts through blood stream and attack the healthy cells. This property of metastasis is unique to cancer cells.
Normal cells show their contact with the adjacent cells. In cancer, contact inhibition is lost and so they divide in an uncontrolled manner.
Breast cancer, leukaemia, lung cancer etc are some of the examples of cancer.
Cancer is detected through tissue biopsy. X-Rays, CT-Scan, MRI are some other techniques that detect cancer in the body.
Cancer can be treated if diagnosed early. Radiotherapy, chemotherapy and surgical intervention are the part of cancer treatment.
Therefore, cancer is considered a serious medical complication.
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what process produces sex cells (sperm and egg)?
Cellular Respiration
Osmosis
Meiosis
Mitosis
remember that the action and reaction forces are equal in any collision if the action and reaction forces are equal then why do bumper cars that are of different masses react differently
Answer:
Newtons´s second law explain that F=MA, so, the heavier the car, the higher the impact force.
Explanation:
Answer:
no
Explanation:
HELP PLSSSSS PLS PLS PLS
Answer:
1- The polar section of a phospholipid is the part with the phosphate group. This is sometimes called the polar head of the molecule.
2- The phosphate group is the negatively-charged polar head, which is hydrophilic. The fatty acid chains are the uncharged, nonpolar tails, which are hydrophobic.
Explanation:
What is the correct formula for photosynthesis?
6CO 2 + 12H 2O ---> C 6H 12O 6 + 6O 2
C 6H 12O 6 + 6O 2 + 6H 2O ---> 6CO 2 + 12H 2O
6CO 2 + 12H 2O ---> C 6H 12O 6 + 12O 2
12H 2O + C 6H 12O 6 --->6CO 2 + 3O 2 + 3H 2O
Answer:
Photosynthesis is a process by which plants and photosynthetic bacteria obtain their food in presence of sunlight from water and carbon dioxide. They produce glucose as the food and oxygen is emitted as the byproduct. The equation for photosynthesis is - 6CO
2
+12H
2
O→C
6
H
12
O
6
+6H
2
O+6O
2
↑.
Thus, the correct answer is 'Photosynthesis.'
Explanation: hope this helps!
2. Which of the following are REACTANTS in PHOTOSYNTHESIS?
Answer:
Carbon dioxide, sunlight and water
Explanation:
that is right
please help please help
Answer:
It allows passage of particles into and out of the cell.
Explanation:
Dominic and Eva are using the same type of stopwatches to measure the time it takes for a chemical reaction to occur. They each use the same stopwatch to measure the time. These are their results: Person Trial 1 Dominic 78 seconds Eva 81 seconds Why are their results unreliable and can lead to a pseudoscientific claim? Group of answer choices They did not repeat their tests multiple times. They used the same type of stopwatch. They did not change the reactants in their chemical reactions. Only one person should have collected the data. Quiz saved at 10:43am Questions AnsweredQuestion 1 AnsweredQuestion 2 AnsweredQuestion 3 AnsweredQuestion 4 Haven't Answered YetQuestion 5 Time Elapsed: Hide Attempt due: Sep 25 at 11:59pm
Answer:
The correct answer is - They did not repeat their tests multiple times
Explanation:
If a scientific process or practice which is fundamentally based on believes or idea that has no valid evidence and not proved scientifically, such type scientific process called Pseudoscience or the false science.
In this case, Both Dominic and Eva performed experiments and recorded different time periods by the same stopwatch for the same chemical reaction.
This could result in an error in the data they get and affect the conclusion or results. To avoid this experiment must be repeated to be sure of the result and eliminate errors.
Answer:
They did not repeat their tests multiple times
Explanation:
PLS ANSWER THIS ASAP!!!!
Like in your skin, dermal tissue in plants have important functions. Check all that are true.
A) Protection form pathogens (viruses, bacteria, fungi infections)
B) Sending electrical, sensory impulses to the plant's brain
C) Preventing water loss
Answer:
a and c
Explanation:
Seafood Watch recommends which seafood _______.
a. to buy or avoid
b. to catch and sell
c. to harvest sustainably
d. is safe to eat
Answer:
a
Explanation:
to buy or avoid
Seafood Watch recommends which seafood to buy or avoid. Thus, option A is correct.
What is seafood?Seafood is food obtained from the sea. Unsustainable fishing methods, such as dragging and dynamite fishing, entrap or kill various species that are not necessarily targeted by the fishing industry. By identifying varieties of seafood that have been caught sustainably, Seafood Watch promotes them over those that have not.
The theory is that since only fisherman who employ sustainable practices are financially rewarded, they will outperform rivals. Based on rigorous scientific standards for environmental sustainability, our Seafood Watch program assigns grades to seafood collected or raised all around the world.
Our suggestions can be used by customers and business owners to locate seafood that has been farmed sustainably. Numerous species are included in the exhaustive list, along with information about where in the water they were caught—from the wild or from farms—and how they were harvested.
Therefore, Seafood Watch recommends which seafood to buy or avoid. Thus, option A is correct.
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How is burning fossil fuels linked to global warming?
Answer:
When we burn oil, coal, and gas, we don't just meet our energy needs—we drive the current global warming crisis as well. Fossil fuels produce large quantities of carbon dioxide when burned. Carbon emissions trap heat in the atmosphere and lead to climate change
Explanation:
You are living next to a field that is burning. The smoke is blowing towards your neighborhood. You are outside and there is so much smoke, you cannot see directly in front of you. Which human body systems would be MOST affected?
A.
Excretory and Digestive
B.
Respiratory and Circulatory/Cardiovascular
C.
Immune and Nervous
D.
Nervous and Muscular
Answer:
Hello now,
The human body system that would be most affected in this scenario would be B, the Respiratory and circulatory system.
What has no nucleus and a large surface area?
Answer:
prokaryotic cells
Explanation:
a example of a prokaryotic cell would be a blood cell they have no nucleus and a large surface.
Answer:
The answer would be Prokaryotic Cells
Explanation:
A prokaryote is a simple, single-celled organism that lacks a nucleus and membrane-bound organelles. These Prokaryotic cells are not divided up on the inside by membrane walls, but consist instead of a single open space.
The majority of prokaryotic DNA is found in a central region of the cell called the nucleoid, and it typically consists of a single large loop called a circular chromosome. So technically these cells lack nucleuses, while still containing genetic material(s).
Hope I could help!
We must breath in__ so our cells can gain more___
Answer:
oxygen ,energy
Explanation:
Write a news story of road accident
Answer:
15 Killed, 28 Injured in a Bus accident
The bus was going to Nagpur in that the another bus came and crash to the another bus. In this accident 15 people were Killed and 28 peoples are injured.
According to police the people in the Bus, was the people's of a Nagpur. in this accident the police has Declared that there is no mistake of Driver in this accident.
The transport minister of Maharashtra Diwakar Raote Introduced that government will give 2 lakhs rupees to injured family. and 3 lakhs to dead families.
What is the approximate global temperature 1,000 years ago
Answer:That would be 60 degrees fahrenheit.
Explanation:
Which correctly describes the role of histones in eukaryotic cell division?
a) Histones connect sister chromatids.
b) Histones protect the ends of chromosomes.
c) Histones keep the DNA compact and organized.
d) Histones copy the DNA before division begins.
Histones copy the DNA before division begins is the correct role of histones.
What is Histone?A chromosome's structural support is provided by a protein called a histone. Long DNA molecules found on each chromosome must fit into the cell nucleus.
To do it, the DNA wraps around complexes of histone proteins, giving the chromosome a more compact form. Additionally, histones are involved in the control of gene expression.
A nucleosome, which is made up of eight histone proteins, can exist. DNA can loop around a nucleosome much like a small spool. Thus, histones are crucial in maintaining the genome's order and neat wrapping inside a cell.
Therefore, Histones copy the DNA before division begins is the correct role of histones.
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Where are the tectonic plates located?
Answer:
The outermost part of Earth's structure is known as the lithosphere. The lithosphere consists of the crust and small portion of the upper mantle. The lithosphere is divided into a number of tectonic plates. These plates move and interact with one another, driven by convectional forces within the Earth.
Explanation:
11. Genetic diversity is an advantage of sexual reproduction. The grasshopper example at the end of
the video explains how it benefits the species as a whole by the grasshopper population having different
colors to help them hide from predators if the conditions around them change. Some are brown, some
are green. Describe another example that you can think of where genetic diversity benefits an organism other than a grasshopper. Be sure to give details to help support your response.
please helpppp