Answer:
c
Explanation:
the answer is menstruation
What do all fossil fuels have in common?
O A. They are all burned when used as energy sources.
O B. They are all renewable energy sources.
O C. They all produce oxygen as a combustion product.
O D. They all contain methane.
All fossil fuels have common feature that they are all burned when used as energy sources.
Fossil fuels Fossil fuels are made from decomposing plants and animals. These fuels are hydrocarbon- containing materials which are found in Earth's crust.Examples of fossil fuels include coal, oil, petroleum hydrocarbons, natural gas etc.They all are burned for energy.They all have hydrogen and carbon in common.They are non-renewable energy sources.They all have different composition other than having hydrocarbon group.All produces different combustion products according to their composition.
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Answer the following questions:
1. How does motion help us in our daily life?
2. How would you be able to help those people who cannot move due to
paralysis
Answer:
1. Lack of motion is death. Movement is a vital nutrient to your body, just as much as food, water, and oxygen.
2. Potassium supplements can prevent attacks of paralysis.
Explanation:
how does the structure of simple cuboidal connect to its function
Answer:
Simple cuboidal epithelial tissue is specialized for diffusion and absorption. The reason our kidneys function the way they do is because of the movement of water and salts in and out of the kidney tubules.Likewise, the cuboidal shape of the cells allows greater surface area for absorption to take place.
How can someone see in a dim room
what is xylem and phloem in science?
Answer:
The xylem is one of the two types of tissue transported from the vascular plants, the other being the phloem.
Answer:
Xylem and phloem Plants have tissues to transport water, nutrients and minerals. Xylem transports water and mineral salts from the roots up to other parts of the plant, while phloem transports sucrose and amino acids between the leaves and other parts of the plant. Xylem and phloem in the center of the plant root
Explanation:
Hope this helps!!
What is a virus and what cause a viruses
How does a single fertilized egg cell develop into so many
different types of specialized cells?
Answer:
it hatches and the baby comes out
The stage of mitosis where the chromosomes line up
Answer:
Metaphase
Explanation:
Chromosomes line up at the metaphase plate, under strain from the mitotic shaft. The two sister chromatids of every chromosome are caught by microtubules from inverse shaft posts. In metaphase, the shaft has caught every one of the chromosomes and arranged them at the center of the cell, prepared to separate.
Answer:
It is metaphase.
Explanation:
In metaphase (a), the microtubules of the spindle (white) have attached and the chromosomes have lined up on the metaphase plate. During anaphase (b), the sister chromatids are pulled apart and move toward opposite poles of the cell.
What's the side effects of the flu vaccine nasal spray
See below, b represents
Options
water
glucose
oxygen
CO2
Answer:
CO2
Explanation:
CO2 is needed to produce glucose
You are trying to determine the mode of inheritance for the mutant curly-winged phenotype in Drosophila. You cross pure-bred wild-type flies with pure-bred mutant (curly-winged) flies and notice that all of F1 has curly wings. You make the scientific hypothesis that the curly-winged phenotype is autosomal dominant to the wild-type wing phenotype. a. If your scientific hypothesis is correct, what ratios would you expect to see in your F2 generation?
Answer:
The correct answer is - In F2 generation we should get a 3:1 ratio of phenotypes. 3 curly dominant, 1 wild type recessive.
Explanation:
In the given case, the cross between pure-bred wild-type flies with pure-bred mutant (curly-winged) flies and it is found that in F1 generation all offsprings are curly wings which means curly wings are dominant over wild-type.
let assume w gene is responsible for wild type and W gene is responsible for the curly wings which is dominant over wild type
W W
w Ww Ww
w Ww Ww
now on self crossing
W w
W Ww Ww
w Ww ww
In f2 generation there are 75% chances of the curly wing and 25% chances of wild type or the ratio of phenotype would be 3:1
In the figure above which fatty acids are most likely to be solid at room tempearture
chloroplast illuminated with strong light will show a large oval white starch formation within chloroplast. Would you expect the plant in which this structure was found to have been illuminated with strong light immediately before it was prepared for electron microscopy
Answer:
trees
Explanation:
In the fantastic Jillalope, the offspring of a true-breeding black parent and a true-breeding white parent all appear gray. When these gray offspring are crossed among themselves, their offspring always appear in a ratio of 1 black : 2 gray : 1 white. Upon close examination of the coats with a magnifier, each hair of a gray animal has closely-spaced alternating black spots and white spots, but no gray spots. What is the mode of inheritance
Answer:
Co-dominance
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
In cellular reproduction, ___ ALWAYS occurs in 5’ to 3’ direction
Answer:
DNA replication
Explanation:
DNA replication is the process whereby the genetic material (DNA) duplicates itself into two identical copies. This process must occur prior to any cellular division (meiosis or mitosis) in order to ascertain that each daughter cell gets an even and correct amount of DNA.
The process of DNA replication begins with the unwinding of the double stranded DNA molecule into two single strands of DNA. One strand called leading strand runs from 3'-5' while the other strand runs from 5'-3'. However, DNA replication proceeds in the 5'-3' direction.
What happens to a
pathogen that has been flagged by an antibody?
Probes that bind under very stringent hybridization conditions resulting in the differential binding over one nucleotide are called ________. Probes that bind under very stringent hybridization conditions resulting in the differential binding over one nucleotide are called ________. short, variable repeats VNTRs microsatellites allele-specific oligonucleotides (ASOs) generation-specific probes
Answer:
allele-specific oligonucleotides (ASOs)
Explanation:
An allele-specific oligonucleotide (ASO) is a piece of synthetic DNA that is short and usually a complementary to the sequence of a target DNA, It is an oligonucleotide of 15–21 nucleotide bases in length.
It acts as a probe in southern blot assay or simpler Dot blot assay to identify the presence of a target.
It is an important research tool in genetic testing, forensics, and Molecular Biology.
The probes can detect a difference of as little as 1 base in the sequence targeted.
Please help me with this biology thing.
Answer:
Answer:
1.
a)dd
b) dd
c) 0%
2.
a) 25%
b) 75%
c) 25%
3.
a) 03
b) 0
c) tt
4.
a) FF x ff OR FF x Ff OR FF x FF
b) Because all the children have freckles
Which of the following occurs first in meiosis?
1. Homologous chromosomes line up in the center of the cell.
2. Chromosomes line up in the middle of each cell.
3. Crossing over between segments of homologous chromosomes.
4. Chromosomes are pulled to opposite poles of the cell.
Answer:
Crossing over between segments of homologous chromosomes.
Explanation:
Crossing over happens during prophase I of meiosis I
answer sheet of Grade 10 science what I have Learned module 2 Quarter 3
A member of a population of genetically identical organisms that were produced from a single cell.
a
bacteriophage
b
clone
c
transgenic
d
restriction enzyme
We have 13 different clotting factor proteins in our blood. Do you think hemophilia is controlled by one or multiple genes?
Hemophilia A and hemophilia B are inherited in an X-linked recessive pattern . The genes associated with these conditions are located on the X chromosome, which is one of the two sex chromosomes . In males (who have only one X chromosome), one altered copy of the gene in each cell is sufficient to cause the condition. Basically it's whatever you believe it is.
10
Obsidian and pumice are extrusive igneous rocks and lack crystals. Why is it that these rocks
do not have crystals? *
(1 Point)
There were no minerals in the magma
The lava cooled slowly deep inside the Earth
The lava cooled too quickly above the Earth
The pressure was too great to make any crystals
Answer:
Hi to the mountain
Explanation:
Which of the following best describes a population?
A. All of the seagulls that live along the coast
B. All of the seagulls that live along the coast, the fish they eat, and the water
C. All of the seagulls that live along the coast and the fish they eat
D. All of the seagulls that live along the coast, as well as the sand and the water
Answer:
I think that the answer might be C
Answer:
I mean it looks like B to me but I could be wrong. :)
Explanation:
Why is it important that tissues are composed of specialized cells?
Most professional sportsmen and sportswomen do not smoke.
Explain why:
The Chesapeake Bay, which is along the coast of the Eastern U.S., is the largest estuary in the country. Many rivers, including the Potomac, empty into this section of the Atlantic Ocean.
During the 1970s, areas of the bay were found to have low levels of oxygen and could not support life. What was the cause of this problem?
Answer: B. High levels of nitrogen and phosphorus from agriculture runoff, sewage, and etc
Explanation:
i did it off study island
how does the anti tetanus serum prevent tetanus
Answer: It is used to prevent tetanus in those who have a wound that is at high risk and have not been fully vaccinated with tetanus toxoid. It is also used to treat tetanus along with antibiotics and muscle relaxants. It is given by injection into a muscle.
Explanation:
a medication made up of antibodies against the tetanus toxin. It is used to prevent tetanus in those who have a wound that is at high risk and have not been fully vaccinated with tetanus toxoid. It is also used to treat tetanus along with antibiotics and muscle relaxants.
Why Mike a scientist repeat any spearmint if he she didn’t make a mistake in the first one?
Answer:
Explanation:
i think its so that there wont be any mistake in when they are collecting their data which simplifys to Experiments are often replicated or repeated even when no obvious mistake was visible
Please help!!!! 20 points
Answer:
Producers: Leaves and the other plant thing (i don't know the name of it)
First-level consumers: Squirrel, grasshopper, rabbit, rat
Second-level consumers: Frog, rat
Third-level consumers: Fox, owl, snake
Herbivores: Grasshopper, rabbit, squirrel
Carnivores: Frog, fox, snake, owl
Omnivores: Rat