Answer:
d
can i have brainliest i need 1 more
Explanation:
Please help me what is the answer
Answer:
i think it is B.
Explanation:
Hope this helps
Look at picture, please. Thank you.
Explain the role of bacteria in converting nitrogen gas into a form that other organisms can use. Use the term nitrogen fixation in your response.
A chemical bond formed when two atoms transfer electrons is called
Answer:
covalent
Explanation:
Please list 15 facts about Black Jaguars.
At least 10 facts will be helpful.
I will give brainliest to whoever lists 10-15 facts.
When salt is applied to slugs, they immediately shrivel up and die. Use the vocabulary words below to explain why and how this happens.
diffusion, osmosis, membrane, concentration.
Answer:
osmosis
Explanation:
The process that occurs when a solution meets a permeable membrane.
what are the differences between antibiotics and vaccines???????........................
Answer:
Antibotics are to help treat a sickness while vaccines are to help prevent certain sicknesses... hope that helps a little.
Explanation:
Antibiotics are used to treat severe infection, but Vaccines prevent infections from ever becoming established. Vaccines are right to be used for protection against any future infection. and Antibiotics are effective for stopping the reproduction process of bacteria and do not have any effect on viruses. These are also not to be used for preparing for potential future infection.
Hope this Helps! May I Have Brainliest? <3
which level of organization is characterized by a group of cells that work together to perform a common function?
Answer:
Tissue
Explanation:
A group of cells that work together to perform a common function is called a tissue.
Hope this helps.
The correct answer is Tissue. :)
Earthquakes that occur far from plate boundaries are called
Answer:
intraplate' earthquakes
Explanation:
Hi, Please help me label these Cells and DNA, THANKS will MARK BRAINLIEST AND 5 STARS
Answer: I'm willing to help but, I can't see the screenshot
Answer:
The top left box is NUCLEUS.
The second box (from left to right) is CHROMOSOME.
Regarding the 2 boxes left:
Top one is GENE.
The one below is DNA.
If a cell's MITOCHONDRIA were to stop working, what would happen to the cell right
away?
A. Materials would not be transported
B. Energy would not be produced
C. Proteins would not get made
D. The cell would not be able to stop things from getting in and out
Explanation:
If a cell's mitochondria was to stop working, energy would not be produced.
This is so because The Mitochondria as part of the cell is the power house of the cell, it produces or gives energy to the cell so if were to stop working, energy will not be produced.
What does gravity do ???
Answer:
Gravity is what holds the planets in orbit around the sun, and keeps us on the ground on the earth. Gravity also keeps the moon in orbit around Earth.
Explanation:
What are some positive and negotiate things about the human reproductive system? (3 reasons for each please)
Answer:
Positive:
- offspring are all different, therefore more genetic variations that will increase survival.
- diversity
Negative:
- two partners are involved
- undesirable traits could be inherited by the offspring
I hope this helps I’m sorry I couldn’t think of three for each
Under the Endangered Species Act, who looks after marine wildlife?
A. Fish and Wildlife Service
B. International Union for Conservation of Nature
C. Department of Natural Resources
D. National Marine Fisheries Service
Answer:
d
Explanation:
Under the Endangered Species Act, National Marine Fisheries Service looks after marine wildlife. Therefore, option (D) is correct.
What do you mean by endangered species act?An organism that is in danger of extinction is known as an endangered species. There are two main reasons why species become threatened: loss of genetic diversity and habitat destruction.
The Endangered Species Act of 1973 was enacted with the intention of safeguarding biodiversity and other endangered species. The bill came after the Endangered Species Conservation Act of 1969, which was an extension of the 1966 bill.
The act's goal is to safeguard both species and "the ecosystem on which they depend." This implies that organic entities that are at risk for going wiped out due to people obliterating their normal living space for advancement should be observed.
Learn more about endangered species act:
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How does the mitochondria help maintain homeostasis?
Answer:
Mitochondrial biogenesis and mitophagy are two pathways that regulate mitochondrial content and metabolism preserving homeostasis. The tight regulation between these opposing processes is essential for cellular adaptation in response to cellular metabolic state, stress and other intracellular or environmental signals.
Explanation:
Answer:Mitochondria produce energy for cells through respiration. Mitochondria also helps maintain the environment of the cell (homeostasis) to keep the best conditions for optimum function. This is achieved by the storage and release of free calcium.
Explanation:
please yelp and explain, i will mark brainliest.
Answer:
Tectonic plates shift in some areas more than they do in other ones.
Explanation:
Hope this helps :)
P.S. can I have brainliest? lol
Answer:
I want to say its because of the tectonic plates that are under the Earth. The movement of the tectonic plates can cause the earthquakes to happen in faults and cracks in the Earth and commonly occur near the edge of these plates.
In humans, the allele for unattached earlobes (E) is dominant. The allele for attached earlobes (e) is recessive. A woman who is heterozygous for this trait marries a man who has attached earlobes. What is the probability that this couple's child will have unattached earlobes?
Group of answer choices
A: 100%
B: 75%
C: 50%
D: 25%
The alleles are the alternative form of the genes. When a heterozygous is crossed with a pure recessive, then 50% of offspring will have unattached earlobes. Thus, option C is correct.
What is a dominant allele?Dominant alleles are the gene forms that are expressed chiefly in heterozygous and purebred conditions and repress the expression of the recessive genes.
The unattached earlobes (E) are dominant traits whereas the attached earlobes (e) are recessive traits that can only be expressed in purebred conditions.
The cross between the heterozygous woman and man with attached earlobes is attached to the image below. From the cross, it can be seen that half or 50% of offspring have attached earlobes while the rest 50% have unattached earlobes.
Therefore, 50% of offspring have unattached earlobes.
Learn more about dominant alleles here:
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The image of the cross is attached below.
From which type of cells did multicellular organisms arise?
Answer:
Unicellular eukaryotes
Explanation:
How has the poison changed the concentration of pyruvate, NADH and intermembrane H+ in Jared’s cells?
Answer:
no change, increase, decrease
Explanation:
I just did it
Cyanide interrupts the electron transporter chain. Pyruvate concentration DOES NOT CHANGE. NADH concentration INCREASES in the matrix, and H+ concentration DECREASES in the intermembrane space.
-----------------------------------
Let us firts make a quick revision of aerobic respiration.
Through cellular respiration, cells degrade organic compounds and produce energy.
Aerobic respiration takes place in three steps:
1) Glycolysis is the first step of cellular respiration. It occurs in the cytoplasm, and its final product is Pyruvate.
2) The Krebs cycle takes place in the mitochondria matrix.
3) The electron transporter chain is placed in the internal mitochondrial membrane.
*******************
We already know that cyanide affects the electron transporter chain. So, let us focus on its functioning under normal conditions and under the cyanide effect.
⇒ Under normal conditions,
• ATP is produced at the end of the electron transporter chain.
• The electron transporter chain constitutes a series of enzymatic reactions to release and save energy for the correct functioning of the organism.
• Along the chain, there are four proteinic complexes in the membrane, I, II, III, and IV, that contain the electrons transporters and the enzymes necessary to catalyze the electrons' transference from one complex to the other.
• Cytochrome oxidase (P450) is one of the enzymes involved in this electron transport.
• NADH and FADH2 provide electrons to the chain.
• While electrons move along the chain, complexes I, III, and IV pump protons to the intermembrane space.
• At the end of the chain, water molecules and ATP are produced.
⇒ Under cyanide effect,
• Ion cyanide inhibits cellular respiration.
• Cyanide binds to the ferric ion of cytochrome oxidase.
• Cyanide-ferric binding inactivates the enzyme and blocks electron transference.
• The chain is interrupted. Hence,
NADH and FADH2 stop providing electrons, complexes I, II, and IV stop pumping protons to the intermembrane space, there is no oxygen consumption and no ATP production.• Since muscles do not get to have ATP as a source of energy, they weaken.
• The interruption of the electron transporter chain produces an anaerobic state that could be culminating.
*************************
Now, let us answer the question
Pyruvate concentration ⇒ NO CHANGESince Pyruvate is produced in the cytoplasm, it is not affected by cyanide. Remember that cyanide only affects the electron transporter chain.
NADH concentration ⇒ INCREASE
Since NADH provides electrons to the chain, and Cyanide interrupts electron transport, there is an accumulation of NADH molecules in the matrix.
Intermembrane H+ concentration ⇒ DECREASE
Since the electron transporter chain is interrupted, no electrons are being carried, and no protons are being pumped to the intermembrane space.
--------------------------------------------
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Who was Albert Einstien and what was he known for ?
Here ya go , Fivez and marcus UwU
Answer:
Albert Einstein is a German-born physicist and scientist who has created many ideas and theories relating to the study of relative. He is famously known for creating the famous equation [tex]e = mc^{2}[/tex] (Energy equals mass times the speed of light squared).
He was involved in the help of creating nuclear powered- mechanisms (not for destroying things, but for helpful, everyday things). Matter has an inherent amount of energy to it, mass can be converted (under the right conditions) to pure energy, and energy can be used to create massive objects that did not exist previously. Nuclear fission takes place when a heavy atomic nucleus, such as uranium, breaks into two or more smaller pieces with the release of some energy. During this process some of the mass of the original atom is converted into energy in accordance with the equation [tex]e = mc^{2}[/tex].
Answer:
I answered it.
Explanation:
lol thanks for the points.
Give two examples of proteins
Answer:
Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, responding to stimuli, providing structure to cells and organisms, and transporting molecules from one location to another. Proteins differ from one another primarily in their sequence of amino acids, which is dictated by the nucleotide sequence of their genes, and which usually results in protein folding into a specific 3D structure that determines its activity.
Answer:
Actin and coronin are two examples of proteins.
What is the effect of the biogeochemical cycles?
Answer:
The effect of biogeochemical cycles is the recycling of matter in the biosphere. In biogeochemical cycle, the matter is moved in a pathway.
Explanation:
Hope this helps you
Crown me as brainliest:)
Answer:
Hey babe, you answer:-
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Do you think it would be a good idea for a bumper car to ride minimum and maximum weight requirements for riders? Apply Newtons Second and Third Laws of motion in your response.
Answer:
No
Explanation:
Eache one have a variation of the inertia because of F=ma (Force= mass*acceleration).
And the third law: for every action (force) in nature there is an equal and opposite reaction, if the car is too heavy it will bump everybody away but also reflect to other cars, and the light car will reflect at high speed to other cars.
A vacuole is the cell's _______________.
A: control center
B: storage place
C: energy processor
Answer:
Vacuole, in biology, a space within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid. Especially in protozoa , vacuoles are cytoplasmic organs (organelles), performing functions such as storage, ingestion, digestion, excretion, and expulsion of excess water.Explanation:
Answer: B: Storage place
Explanation: the vacuole stores food and any type of nutrient the cell may need to survive.
What would happen to an organism is
mitosis did not occur
Answer:
The organism would not grow.
If an organism were cut or burned, the damaged area would not heal.
The organism would not produce new cells.
Explanation:
Just did it on edge, June 17th 2022
3 redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week. What is the independent variable? What is the dependent variable? What is the control group?
Answer:
The correct answer is -
The independent variable - Humidity levels
The dependent variable - Height
The control group - Tree kept outside of the greenhouse
Explanation:
In this study or experiment, the independent variable is the different humidity level as it is what is changed in the study to see its effect on the growth of the redwood tree. The independent variable is manipulated in the experiment to see the change or effect in the dependent variable occurs.
The dependent variable is the variable which \depends on the independent variable as the Independent variable manipulated the dependent variable is measured to the effect which is the height of the redwood trees here.
The control group is a groub of subjects that did not get the treatment that experiment group recieves as it is kept for analysing the deviation from the natural condition. The control group is the redwood trees that are kept in natural environemnt outside of the greenhouse.
WILL MARK BRAINLIEST!!! Can someone help me wit des 3 compare and contrast questions?
1.) What characteristics apply to just prokaryotic cells?
2.) What characteristics do both cell types share? (Prokaryotic cells & Eukaryotic cells)
3.) What characteristics apply to just eukaryotic cells?
Prokaryotic cells have the following features: The genetic material (DNA) is localized to a region called the nucleoid which has no surrounding membrane. The cell contains large numbers of ribosomes that are used for protein synthesis. At the periphery of the cell is the plasma membrane.
Answer: 1.Prokaryotes lack an organized nucleus and other membrane-bound organelles. Prokaryotic DNA is found in a central part of the cell called the nucleoid. The cell wall of a prokaryote acts as an extra layer of protection, helps maintain cell shape, and prevents dehydration.
2.Prokaryotic cells are surrounded by a plasma membrane and have DNA, cytoplasm, and ribosomes, like eukaryotic cells. They also have cell walls and may have a cell capsule. Prokaryotes have a single large chromosome that is not surrounded by a nuclear membrane.
3.Eukaryotic cells are larger than prokaryotic cells and have a “true” nucleus, membrane-bound organelles, and rod-shaped chromosomes. The nucleus houses the cell's DNA and directs the synthesis of proteins and ribosomes.
Explanation:
The Pi CLPN stands for the macromolecule
Answer:
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examples of bacteriophage
Examples of bacteriophages are: 1) Temperate phages (mu and lambda) 2) Filamentous and spherical phages , both having ssDNA (single stranded DNA)
Which would be an activity conducted by a biologist?
Answer:
well the answer would be describe the behavior of brown bats
Explanation:
I've had this question before.
You didn't exactly put the choices down but sorry if this is incorrect because this was correct for me!
