Answer:
The plants producing more bubbles indicates that photosynthesis is more effectively driven by BLUE AND RED LIGHTS.
Please find explanation below.
Explanation:
According to this question, an experiment is being carried out to determine which color of light is most effective at driving photosynthesis. Three sets of aquatic plants (plants A, B and C) are used for this experiment. Plant A was placed under blue light, plant B under red light, and plant C under green light.
Photosynthesis is the process whereby plants manufacture their food (glucose) using sunlight energy. However, it is worthy to note that OXYGEN GAS is one of by-products of this metabolic process. Hence, as stated in this question, the bubbles noticed to be coming off the leaves is OXYGEN gas.
However, more products in a reaction denotes the fast rate of such reaction. Plants A and B produced more bubbles than plant C. This means that photosynthesis in plants A and B, which released more OXYGEN GAS as BUBBLES, is more effective under the blue and red light respectively.
it would be nice if you could ples help me answer : Because endothermic animals must maintain a constant body temperature, they must
Question 8 options:
eat more often to have energy to keep a constant temperature.
become sluggish when it becomes to cold to conserve energy.
move to sunlight to warm, and shade to cool.
constantly move around to keep their bodies warm.
Elliptical galaxies form a perfect sphere or an ellipse.
True
False
Answer:
True
Explanation:
A group of billions of stars in space is known as a galaxy. ... Irregular ones do not have specific shape and elliptical galaxies are three dimensional. It has ellipsoidal shape which formed of deformation of sphere and looks like ellipse. Hence, the given statement is true.
HELP PLS BRAINLIEST
Tubelike cells that carry food from the leaves to other parts of the plant are called?
Question 1 options:
Xylem
Phloem
Chloroplasts
Answer:
Phloem carry food from the leaves to other parts of the plant
Explanation:
Xylem carry water
Chloroplasts are organelles in cells wich allow the plant to photosynthesise
how do scientists use rock layers to date fossils ? USE IN YOUR OWN WORDS.
40 POINTS DONT SKIP !
Answer:
By comparing a fossil to similar rocks and fossils of known ages, relative dating can be used to estimate its age. Absolute dating is a method of determining the precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil itself or, more commonly, the rocks that surround it.
Explanation:
the correct sequence of events in meiosis
When a human egg is fertilized by a sperm, the resulting zygote begins the process of cell division that eventually results in an organism with trillions of cells. The image shows a mass of human cells at the eight-cell stage, shortly after fertilization.
What is the best description of these cells?
adult stem cells
adult stem cells
embryonic stem cells
embryonic stem cells
marrow cells
marrow cells
Answer:
hope this helps not sure tho
Explanation:
Fertilization is the union of a male and a female gamete that gives rise to a zygote that is the first cell of the organism. Fertilization occurs in the sexually reproducing organisms. After fertilization , the zygote undergoes continuous division and Gives rise to a mass of cell that later on differentiate into cells that assume specialized function, each group of specialized cell then gives rise to organ system of the organism.
What's the side effects of the flu vaccine nasal spray
describe the procedure for a civil law trial. what are the possibilities for the outcome of a case?
Answer:
A civil trial starts with the pleadings, where the plaintiff files their complaint with the court. The defendant can then answer the claim. This brings the trial to discovery, where each side gathers evidence for their argument before the judge
Explanation:
Which of the following is a guideline to follow when using pesticides
Allow pets to stay in area
Put up warning signs
Use one and a half times the recommended dose
Spray on a windy day
How is viral reproduction different from the reproduction of single-celled and multicellular
organisms?
A. The virus depends entirely on a host cell to reproduce.
B. The virus relies on nucleic acids, such as DNA, to reproduce.
C. The virus relies on proteins to reproduce.
D. The virus reproduces very rapidly, but in smaller numbers.
Answer:
A. The virus depends entirely on a host cell to reproduce
Viral reproduction different from the reproduction of single-celled and multicellular organisms because the virus depends entirely on a host cell to reproduce. Thus, option A is correct.
What are the difference between single- celled and multicellular organism?The main difference between single- celled and multicellular organism is that single- cellled organisms are made up only single cell on the other hand multicellular organisms are made up of multiple cells.
Cell theory is a scientific theory that's help to learn how living organisms are made up of cells, that's they are the basic structure unit of all organisms, and that all cells from pre-existing cells.
Prokaryotic Cell
Prokaryotic cells are single-celled microorganisms known to be earliest on earth.
Eukaryotic cell
Eukaryotic cells have a nucleus enclosed within the nuclear membrane and form large and complex organism.
Difference between unicellular and multicellular.
The main difference between unicellular organisms and multicellular organisms is that unicellular organism is unspecialized it means all the body function depends upon only on the single cell and in multicellular organism there is specific cells for specific purposes.
Multicellular and unicellular organisms are perform almost all the life running activities and processes such as respiration, reproduction digestion, breathing, and metabolism.
In unicellular organism division of labour is at the organ level on the other hand in multicellular the division of labour at cellular, tissue, organs and organ system level.
Unicellular organism has simple body organization and multicellular organism have complex body organism.
Therefore,viral reproduction different from the reproduction of single-celled and multicellular organisms because the virus depends entirely on a host cell to reproduce. Thus, option A is correct.
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How are taxonomic keys used?
Answer:
A taxonomic key is a simple tool used to identify a specific object. A taxonomic key is one of the most useful tools available to scientists trying to identify an unknown organism. Systematists rely on keys to help identify known organisms and determine whether they have discovered a new organism entirely.
Explanation: Hope this helps
how to cultivate yam
Explanation:
Yams are produced through slips, which have been generated again from sprouts of mature yams, rather than seeds, as most other crops are. Split a yam in part and place one half in a bowl of cool water to develop sprouts.
true or false the nucleus takes up about 30% of the cell’s volume
It is false that the nucleus takes up about 30% of the cell’s volume.
What is nucleus?The part of a cell that houses the chromosomes in biology is nucleus. The membrane-enclosed nucleus is where RNA is synthesized from the chromosomal DNA. Enlarge. component cells.
The nucleus' principal jobs include storing the cell's DNA, preserving its integrity, and assisting with transcription and replication.
One of the most noticeable features of a eukaryotic cell is its spherical nucleus, which normally makes up 10% of the cell's volume.
The genetic information and other instructions necessary for cellular functions are found in the double-membraned organelle known as the nucleus. It is one of the biggest organelles and is only present in eukaryotic cells.
Thus, the given statement is false.
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Help melee please...
Answer:
25%
Explanation:
The image is the punnet square. :)
what is an amino acid
If fertilization started in woman , mensuration will occur or not??? explain
Answer:
Fertilisation happens if the egg cell meets and joins with a sperm cell in the oviduct. The fertilised egg attaches to the lining of the uterus. The woman becomes pregnant, the lining of the uterus does not break down and menstruation does not happen.
1. What is structure A?
2. During which numbered step(s) (#1-6) is a restriction enzyme used?
3. Which structure (A, B or C) shows recombinant DNA?
4. Which structure (A, B, C, D) shows a transgenic organism?
Answer:
l
Explanation:
Structure A is a plasmid. A restriction enzyme is used in step 4. Structure C shows recombinant DNA. Structure D shows a transgenic organism.
What is DNA recombination?DNA fragments are broken and recombined during the recombination process to create novel allele combinations. The genetic diversity that results from this recombination process at the gene level reflects variations in the DNA sequences of various organisms.
Recombination happens when two DNA molecules trade genetic material with one another. When homologous chromosomes align in pairs and exchange DNA segments during prophase I of meiosis, one of the most notable instances of recombination occurs.
Therefore, the correct options are
a plasmid. step 4.Structure C.structure D.To learn more about DNA recombination, refer to the below link:
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The students decide to model how the motion of two plates occurs. Which statement best describes the ability of the model to predictyplate movement? A The motion of the plates cannot be modeled on a scale that is much smaller than the plates themselves. B The motion of the plates cannot be modeled by simplifying the factors that contribute to plate movement. C The motion of the plates can be modeled by including only the main factors that contribute to plate movement. D The motion of the plates can be modeled only by including every factor that contributes to plate movement.
Explanation:
In my view, all factors are equally responsible for this.
How many different amino acids are used in human proteins?
Answer:
20 amino acids
Explanation:
500 amino acids have been identified in nature, but just 20 amino acids make up the proteins found in the human body.
A plant species has two alleles for petal color: pink and white. The pink (A) allele is
dominant. If a true breeding pink flower is crossed with a carrier pink flower, what is the
probability in a percentage) that their offspring will be born as carriers for the white
flower trait? Use a Punnett Square to justify your answer
Answer:
There's no such thing as a carrier pink flower, as pink is a dominant trait. Only carrier white flowers are possible because white is recessive.
If you meant carrier white flower, the percentage of offspring born as carriers for the white flower trait is 50%
Explanation:
Punnett squares are in the image
the photo is below, pls help
Answer:
Billiard Ball Model
Explanation:
I used process of elimination.
The plum pudding model looks more like chocolate chip ice cream scoop.
As you can probably tell, that is not a solar system model.
It also is not a nuclear model because those look more like the attached file.
Greenhouse gases are important to climate change because they
A. Are the best way to measure if the temperature is changing over time
B. help to trap energy from the sun in the Earth's atmosphere
C.help to block the radiation of the sun from harming Earth
D. are the main reason that the earth becomes warmer and cooler
Answer:
D
Explanation:
well, without the greenhouse gases the earth's temperature will drop drastically but too much of it will cause the earth's temperature to rise
Explanation:
Answer- help to trap energy from the sun in the Earth's atmosphere.
What are some ways that oceans influence climate change?
Answer:
Answer is below.
Explanation:
The oceans influence climate by absorbing solar radiation and releasing heat needed to drive the atmospheric circulation, by releasing aerosols that influence cloud cover, by emitting most of the water that falls on land as rain, by absorbing carbon dioxide from the atmosphere and storing it for years to millions of years.
Hope this helps:)
ANSWER: the oceans influence climate by absorbing solar radiation and releasing it is needed to drive the atmospheric circulation by releasing a resource that influence cloud cover by a meeting the most of the water that falls on land as a by absorbing carbon dioxide from the atmosphere and storing it for years to millions of years ii.
Explanation: hope it helps
PLEASE HELP!!! How many ATP can we get from one molecule of phosphocreatine?
a.1
b.2
c.10
d.32
Phosphocreatine is a chemical compound that provides high energy to the skeletal muscles. One molecule of phosphocreatine produces one ATP molecule. Thus, option a is correct.
What is phosphocreatine?The phosphocreatine system is a way to generate ATP and energy in the body (muscles). During muscle contraction, the phosphocreatine yields a phosphate molecule that in turn produces ATP.
The phosphocreatine system provides quick and fast energy in the form of ATP molecules through the anaerobic system that does not require oxygen. It gives its phosphate group to ADP to produce ATP as,
ADP + phosphocreatine → ATP + Creatine
The ATP-PC system yields only one molecule per phosphocreatine at a very fast rate for the muscles to utilize when doing any exercise or physical activity that involves contraction and relaxation.
Therefore, phosphocreatine produces 1 ATP.
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A copper atom has an atomic number of 29 and an atomic mass of 64. What
is the structure of this atom?
A. It has a central nucleus composed of 29 protons and 29 neutrons,
surrounded by an electron cloud containing 35 electrons.
B. It has a central nucleus composed of 29 protons and 64 neutrons,
surrounded by an electron cloud containing 29 electrons.
O C. It has a central nucleus composed of 35 protons and 29 neutrons,
surrounded by an electron cloud containing 29 electrons.
D. It has a central nucleus composed of 29 protons and 35 neutrons,
surrounded by an electron cloud containing 29 electrons.
Answer:
D just took the test on APX
A compact cluster of spore-bearing structures in
some seedless vascular plant sporophytes.
Answer:
B :)
Explanation:
Cells have all the components necessary for protein synthesis but viruses do not. Complete the following sentences to indicate which gene expression components are found in virus particles. Click on a term and drag into the blank space. A term may be used more than once.
A. RNA polymerase is______ present in a cell, but present in viruses.
B. tRNA is________ present in a cell, but present in viruses.
C. Ribosomes are________ present in a cell, but present in viruses.
D. Genes are_______ present in a cell, but present in viruses.
1. Never
2. Sometimes
3. Always
Answer:
A. RNA polymerase is always present in a cell, but sometimes present in viruses.
B. tRNA is always present in a cell, but Never present in viruses
C. Ribosomes are always present in a cell, but Never present in viruses.
D. Genes are always present in a cell, but always present in viruses..
Explanation:
A. RNA polymerase is always present in a cell, but sometimes present in viruses. RNA polymerase is the enzyme responsible for transcription in eukaryotic cells, it is the enzyme that stimulates transcription, that is, the passage from DNA to RNA. All RNA viruses encode in their genome an RNA-dependent RNA-polymerase (RdRp) that acts as a catalytic subunit, along with other viral and cellular proteins, in the replication of the viral genome. B. tRNA is always present in a cell, but Never present in viruses Transfer RNA is a type of ribonucleic acid that is responsible for transporting amino acids to ribosomes where, according to the sequence specified in a messenger RNA (transcribed, in turn , from DNA), proteins are synthesized. C. Ribosomes are always present in a cell, but Never present in viruses. Ribosomes are responsible for the granular appearance of the cytoplasm of cells. It is the most abundant organelle, several million per cell. Viruses do not have cytoplasm or ribosomes (elements necessary to form a cell), so they cannot multiply on their own and they need to infect the cell of another organism to do so.D. Genes are always present in a cell, but always present in viruses.Genes are the storage units of genetic information, they are fragments / segments of DNA that encode a specific functional product. Viruses are small pieces of RNA (ribonucleic acid) or DNA (deoxyribonucleic acid), many are encapsulated in an envelope made of base of proteins known as capsid, others protect their genetic material with a membrane or envelope derived from the cell they infect and some others also surround their capsid with a cell membrane. RNA viruses bring with them their own genetic information copying machines (eg, RNA polymerase enzyme) or possess genes (genetic information) that produce the proteins required to assemble the copying machines within the cell that they infect, thereby which makes them independent of the cellular machinery and capable of infecting cells that are not actively reproducing.
Answer !!!! I will give you 20 points
Answer:
its a cladogram :D
Explanation:
Answer:
it D
Explanation:
Question:
The phenylketonuria occurs in 1 of 10,000 individuals in a population. It is
caused by an autosomal recessive allele. Calculate the frequency of heterozygotes
in the population.
Answer:
10000 divided by 1 and then that answer
Place the pieces on the appropriate spot on the diagram.
32c
32f
212f
100f
212c