Answer:
Explanation:
Plants absorb nitrates in water through their roots. Nitrates are present in high levels in plant fertilisers. Without nitrates, the amount of chlorophyll in leaves reduces. ... This reduces the plant's ability to photosynthesise and grow properly, which reduces the farmers' crop yield .
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Answer:
The answer is true..
Yes, the presticides cause aquatic animals like fishes to die..
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Describe any other local examples of relationships between organisms that may influence population numbers?
Answer: trees, flowers, bees
Explanation:
5. Which of the following enclose their DNA in a nucleus?
b. bacteria
c. eukaryotes
d. viruses
Can you help me (only used these terms)
Molecule
Subscript
Element
Solid
Compound
Liquid
Pure substance
Mixture
Vapor (gas)
Answer:
Subscript- tells how many of each atom there are in a chemical formula
element- a substance containing only one type of atom
solid- a state of matter where particles vibrate and are not free to move
compound- two or more atoms chemically bonded together
liquid- a state of matter in which particles slip past each other
pure substance- all of the smallest individual pieces are the same
mixture- different types of atoms or molecules that are physically mixed together
vapor- a state of matter in which molecules are far apart
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Which of the following is TRUE of compact bone?
Answer:
c. It gives bone its white, smooth appearance.
Explanation: is correct
soil is the largest terrestrial pool of carbon , containing about 2,200 gigatons. the primary reason that soil is such a large pool of carbon is which of its characteristic?
A) formation from weathering of rocks
B) organic content, including microbes
C) pore spaces allowing the flow of water
D high surface area increasing oxidation
The characteristic of soil that makes it the largest pool of carbon is its organic content, including microbes.
Soil is defined as the outermost portion of the earth's crust on which plants grow. The soil is the part of the earth that supports plant growth because it is rich in nutrients and organic matter.
Plants and animals die and decompose. The carbon content of these organisms are thereby returned to the soil. Also, many microbes are found in soil. Therefore, the characteristic of soil that makes it the largest pool of carbon is its organic content, including microbes.
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examine the importance of your role as part of the family and community
Answer:
The important role of the family is communicating with each other, understanding,helping, and love my family
The important role of community help people how's need help, make my community clean and fresh
Hope it helps!
Sugar and yeast inflate a balloon
because what is produced
Answer:
As the yeast feeds on the sugar, it produces carbon dioxide. With no place to go but up, this gas slowly fills the balloon. A very similar process happens as bread rises. Carbon dioxide from yeast fills thousands of balloonlike bubbles in the dough.
Explanation:
the ames test is used to determine whether or not a compound causes __________.
Answer:
mutations
Explanation:
the ames test is used to determine whether or not a compound causes mutations in DNA
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what is hereditary information contained in
Answer:
Genes
Explanation:
Hereditary information is stored in genes, which are found on each cell's chromosomes. Each gene contains a single piece of information. An individual's inherited trait can be determined by one or more genes, and a single gene can influence more than one trait. There are thousands of different genes in a human cell.
The gel below shows a result of the experiment you designed using the DNA of three different individuals (S1-S3). It also shows a negative (C-) and a positive (C ) control, as well as a DNA marker. Why did S2 have three bands
Restriction enzymes recognize specific nucleotidic sequences. The molecule with no recognition site will not be digested. Individual S2 probably had molecules with the recognition site and others with a different sequence.
--------------------------
A restriction enzyme is a degradative polymer that recognizes and cuts up specific nucleotide sequences in DNA.
Restriction enzymes can produce cohesive cuts or blunt (abrupt) cuts, depending on the recognition sites.
The frequency in which the restriction enzyme will produce the cuts depends on the recognition sequences and the number of bases that compose them.
So restriction enzymes cut DNI molecules into different short sequences of varying lengths.
These pieces are called minisatellites and exhibit the existing variation from one person to the next.
These short sequences can be separated by using gel electrophoresis and will express a pattern of differentiation.
When the nucleotidic sequence of the DNA molecule does not include the recognition site, the enzyme will not cut this fragment. The enzyme does not digest this molecule.
Since the negative control does not have a recognition site, it is not digested by the enzyme.
The positive control is digested, meaning that these molecules carry the recognition site.
Probably DNA molecules from individual S1 do not have the recognition site either.
The enzyme recognizes the sequence in DNA from individual S3 and cuts it into two fragments.
The lane of Individual S2 includes both options: digested and not digested DNA. This means that the sample taken from this individual included DNA
⇒ carrying the sequence, and
⇒ not carrying the recognition sequence.
So enzymes digest molecules carrying the recognition sequence, and the other ones remain undigested.
Probably, individuals S1 and S3 are h0m0zyg0us, while individual S2 is heter0zyg0us.
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Why are the intestines and stomach not weighed during an autopsy.
Answer:
All the internal organs are examined for injury and disease and weighed. They Intestines and stomach are not weighed. The pathologist drains the intestines in a sink to remove any undigested food and feces that remain.
All the internal organs are examined for injury and disease and weighed. They Intestines and stomach are not weighed. The pathologist drains the intestines in a sink to remove any undigested food and feces that remain.
What is autopsy?A post-mortem examination, often known as an autopsy, is a specialist surgical process used to ascertain the cause and manner of death. The medical explanation for why a patient passed away is called the cause of death.
The circumstances surrounding the death are known as the mode of death. The following causes of death are recognized in natural, accident, homicide and unknown.
Our understanding of disease is constantly expanding thanks to autopsies. The information obtained through autopsy enables professionals to better comprehend disease processes, make accurate diagnoses, enhance treatment, and perhaps even help other patients who are currently afflicted with a similar condition.
Therefore, All the internal organs are examined for injury and disease and weighed. They Intestines and stomach are not weighed. The pathologist drains the intestines in a sink to remove any undigested food.
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which of the examples are considered anabolism? select all that apply.
Anabolism is for the synthesis of complex molecules essential in the building up of organs and tissues. It is therefore responsible for the increase in body size. Examples of anabolism are bone growth and mineralization, and muscle mass build-up.
Answer:
DNA nucleotide synthesis or polymerisation or condensation reactions;
Catabolism is breaking down of a larger molecule, so 1 large will become 2 or more smaller molecules;
Anabolism is the opposite, 2 or more smaller molecules will join together to form 1 larger molecules
12. Which is NOT a natural cause of extinction?
A. Disease
B. Catastrophic events
C. Introduction of new species
D. Competition due to overpopulation
24. Which is NOT true about energy transformation?
A. Energy is essential to all organisms.
B. Food contains energy that is needed by all organism.
C. Heterotrophs feed on autotrophs and other heterotrophs to gain energy.
D. Autotrophs do not need energy because they can produce their own food.
23. Which is the CORRECT sequence of events in cellular respiration?
A. Glycolysis - fermentation - Krebs Cycle
B. Glycolysis - Krebs Cycle - Electron Transport
C. Krebs Cycle - Electron Transport - Glycolysis
D. Krebs Cycle - Glycolysis - Electron Transport
2. In humans there are four types of blood; type A, type B, type AB and type O. A person with a genotype of IaIa or Iai will have blood type_____?
A. A
B. B
C. O
D. AB
4. A couple has four children, one son and three daughters. What is the chance that the fifth child will be a daughter?
A. ¼
B. ½
C. ¾
D. 1/5
22. Cellular respiration releases energy by breaking down_______.
A. ATP
B. water
C. carbon dioxide
D. food molecules
5. A man is colorblind but there is no history of this disorder in his wife’s family. What is the chance that their son is color
blind?
A. 0
B. 25%
C. 75%
D. 100%
25. Which BEST summarizes the process of respiration?
A. Water + Carbon Dioxide ( light) sugar + oxygen
B. Sugar + Oxygen (enzymes) water+ carbon dioxide +energy
C. Water + Sugar ( light ) carbon dioxide + oxygen
D. Oxygen + Water (enzymes) sugar + carbon dioxide + energy
1. A father with blood type AB and a mother with blood type O will probably produce offspring with a blood type ___. *
A. A
B. B
C. A or B
D.AB or O
6. What is a sex- linked trait that results in the inability to have normal blood clotting?
A. baldness
B. color blindness
C. diabetes
D. hemophilia
11. What causes species extinction?
A. Pollution and reforestation
B. Reforestation and carbon emission
C. climate change and over consumption
D. conservation and consume
18. The pigment molecules responsible for photosynthesis are located in the _______? *
A. Mitochondria
B. Cytoplasm of the cell
C. Stroma of the chloroplasts
D. Thylakoid membrane of the chloroplasts
13. Which part of a leaf contains most of the chloroplasts?
A. Lower epidermis
B. Palisade mesophyll
C. Spongy mesophyll
D. Upper epidermis
19. At optimum light intensity, which atmospheric gas most directly influences the rate of photosynthesis?
A. Nitrogen
B. Oxygen
C. Sulfur
D. Carbon Dioxide
14. What part of the leaf is this tiny opening in the lower epidermis which makes it rough and responsible for the entrance and exit of gases in plants?
A. xylem
B. phloem
C. stomata
D. guard cells
16. In which part of the chloroplast does light reactions of photosynthesis takes place?
A. Grana
B. Stroma
C. Inner membrane
D. Outer membrane
17. Which is NOT needed to make food in plants?
A. Flower
B. Sunlight
C. Chlorophyll
D. Carbon Dioxid
8. Color-blindness is inherited as a sex-linked recessive trait. If a normal woman, carrier of the gene marries a man with normal color vision. What would be the expected phenotype of their children with reference to color-blindness?
A. All color-blind
B. 2 carriers, 2 color-blind
C. 1 normal, 3 carriers
D. 2 normal, 1 carrier, 1 color-blind
3. Blood type O has both antibodies A and antibodies B in the plasma but has no antigen on its erythrocytes or red blood cells. That is why Blood Type O is considered UNIVERSAL______.
A. Blood
B. Donor
C. Marker
D. Recipient
7. Melvin’s thinning hair is like that of his father. This characteristic of baldness is due to
A. multiple alleles
B. sex-linked
C. sex-influenced
D. sex-limited
Answer:
A bowling ball weighs 15 pounds on Earth and weighs 4 pounds on the planet Saturn. You could determine a 100–pound earthling's weight on Saturn using the proportion:
Explanation:
a.
StartFraction 15 Over 4 EndFraction = StartFraction b Over 100 EndFraction
c.
StartFraction 4 Over 15 EndFraction = StartFraction 100 Over b EndFraction
b.
StartFraction 15 Over 4 EndFraction = 100 Over b EndFraction
d.
either a or c
Which objects would cause refraction of light? (Select all that apply.)
prisms
magnifying glasses
wooden boxes
eyeglasses
Answer:
prisms
eyeglasses
Explanation:
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When the lac repressor binds to the lac operator site, RNA polymerase is prevented from transcribing which gene(s)?
Imagine you are in a biology class and you are dissecting the eye of an animal that hunts at night. What prediction would you make about the retina of this animal
Answer:
Explanation:
This animal would have a large number of rods.
True or False: Cardiac muscle is also known as smooth muscle.
Answer:
FALSE
Explanation: post protected
*30 POINTS* PLZ HELP
The following list of events happens during meiosis:
Prophase I: Crossing over between homologous chromosomes occurs.
Metaphase I: Tetrads line up at the metaphase plate.
Anaphase I: Tetrads are separated.
Telophase I: Nuclear envelopes reform around the separated chromosomes.
Prophase II: Chromosomes condense.
Metaphase II: Chromosomes line up at metaphase plate.
Anaphase II: Sister chromatids separate into daughter chromosomes.
Telophase II: Nuclear envelopes reform around the daughter chromosomes.
Identify the answer choice that correctly lists the events from above that lead to new genetic combinations in the gametes.
(1 point)
1, 2, and 5
5 and 6
5, 6, and 7
1 and 2
Answer:
let me take the test i will tell you after
Explanation:
Explain what must happen before a cell can divide
Answer:
the cell must go through mitosis and chromosomes in the nucleus must double
what is the function of the organelle identified as #6 in the picture it is mostly brown folded over and is in the lower right part of the cell
Answer:the presence of a true nucleus
Explanation:
how much atp is gained at the end of cellular respiration
This is the start of a muscle and is the non moving end.
Answer:
What questions should you ask when analyzing how a character develops a theme? Check all that apply.
How does the character react to conflict?
How is the character changed by conflict?
When does the climax occur in a play?
Is the theme relatable to people around the world?
What lessons does the character learn based on the resolution of the conflict?
Explanation:
What questions should you ask when analyzing how a character develops a theme? Check all that apply.
How does the character react to conflict?
How is the character changed by conflict?
When does the climax occur in a play?
Is the theme relatable to people around the world?
What lessons does the character learn based on the resolution of the conflict?
Does hypertonic mean out of the cell.
Answer:
yes
Explanation:
In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol.
The bright color pigment of some frogs serves as a warning to predators. This chemical defense is known as ___.
Answer:
A pose mat is m
Explanation:
I searched it , but basically a pose mat i s m is when an animal is brightly coloring to warn predators that it is not worth eating.
Put the first word together, brainly wont let me post
The bright color pigment of some frogs is processed as a warning to vampires. This chemical defense is understood as poisonous.
What is Chemical defense?
These bright colors serve as a warning to predators: "Don't consume me; because it is poisonous." In this consideration, frogs aren't overhead bluffing.
Some nonpoisonous species of frogs have assumed the colors of poison dart frogs to trick vampires into offering them an expansive berth they don't earn.
This technique is prompted by melanin, a dark pigment. These frogs usually combine in with their surroundings and their skin functions as camouflage.
Different anurans are brightly embroidered. When If the bright colors alternate with opaque splotches the coloring may serve as a warning to predators that the frog or toad is poisonous.
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The tall allele is dominant and the dwarf allele is recessive. What is the abbreviation for the dwarf allele
Answer:
t
Explanation:
really just lowercase but I would you T,t because your talking about being tall or dwarf so you need to know that the T is tall and the t is dwarf
Hope this helped
Describe the role that rivers and streams play in the water cycle.
how is metaphase produced?
Metaphase is a stage in the cell cycle where all the genetic material is condensing into chromosomes. These chromosomes then become visible. During this stage, the nucleus disappears and the chromosomes appear in the cytoplasm of the cell. ... As metaphase continues, the cells partition into the two daughter cells.
________happens in the mitochondrial membrane and is where hydrogen ions are
pumped through to create ATP
O glycolysis
Okreb's cycle
O light reactions
electron transport chain
Explanation: Electron transport chain
How are hydrogen ions pumped across the membrane?
Image result for what is used to make the mitochondrial membrane and is where hydrogen ions are pumped through to create ATP
During electron transport, energy is used to pump hydrogen ions across the mitochondrial inner membrane, from the matrix into the intermembrane space. A chemiosmotic gradient causes hydrogen ions to flow back across the mitochondrial membrane into the matrix, through ATP synthase, producing ATP.
darwin found that many of the species on the galápagos islands