Answer:
1.5m/s
Explanation:
Using the formula;
Speed (m/s) = distance (metres) ÷ time (seconds)
According to the information provided in this question, Heather and Matthew spend 60seconds to travel a distance of 90 metres. This means that t = 60s, d = 90m
Hence,
Speed = 90/60
Speed = 3/2
Speed = 1.5m/s.
A cell undergoing meiosis has a defect and cannot do crossing over. The cell
completes the rest of meiosis successfully and produces four sperm cells.
Which of the following describes the correct outcome of this defect?
Select one:
The sperm cells will all be the same.
The sperm cells will be identical to the parent cell.
The sperm cells will have reduced genetic variety but will still be different.
The sperm cells will form two pairs of identical cells. Cells in a pair will be different from
the other pair
Answer:
Option #3
Explanation:
That is the basic terminology that us used during meiosis.
The statement that best describes the correct outcome of this defect is the sperm cells will all be the same. Thus, the correct option for this question is A.
What is Meiosis?Meiosis may be defined as a type of cell division that significantly produces four daughter cells that are genetically non-identical to the parental cells. These daughter cells are haploid in nature. Germ cells or sex cells are generally produced by this mechanism.
The cells that are formed as a result of meiosis have half the amount of chromosomes as compared to the parental cell. This is because when the germ cells of two different origins fuse together, they will form complete chromosomes.
The egg cells or sperm cells that are produced by this process of cell division will all be the same with respect to the number of chromosomes and physiology along with function.
Therefore, the sperm cells will all be the same is a statement that best describes the correct outcome of this defect. Thus, the correct option for this question is A.
To learn more about Meiosis, refer to the link:
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Which option describes a strong argument against the development of nuclear power ? A nuclear power company is proposing a nuclear power plant near a quiet , small waterside town . The company is promoting this development by stating that nuclear power does not produce pollutants .
Nuclear power is not ready - made
Nuclear power uses expensive raw materials .
Nuclear power is not as clean as using fossil fuels
Nuclear power produces waste that is hard to dispose of safely
Answer:
Nuclear power produces [radioactive] waste that is hard to dispose of safely
During the reproduccion of a species of mice a mutation occurs that makes the hair of the offspring blend into its environment is this a postove or negative mutation? How do you predict this mutation will affect the long term survival of the species? Justry your response in two or more complete sentences in the essay box below.
Answer:
This will be a positive mutation because the mouse will now have an advantage.
Which of the following are not biotic or abiotic factors in an ecosystem???
A.) Water and air
B.) Rocks and energy
C.) Plants and animals
D.) Cultural components
PLZ HELP ILL GIVE U BRAINLYIST(science)
Answer:
Explanation:
c the answers c
how to solve Amino Acid Sequence?
Answer:
I hope this helps it's a picture of how to solve to get amino acids.
Explanation:
a unicellular organism splits into two parts during
Answer:
fission
Explanation
Where does asexual reproduction take place? When single-celled organisms (like bacteria and protozoa) just split (or break) into two identical halves during cell division, leading to the creation of new organisms is called fission.
Hope fully this is correct.
Answer:
amorba
Explanation:
unicelluler organism that splits
One choice contains ONLY biotic factors that might be found in a home aquarium's environment. That is
A)
fish, snail, and plants.
B)
fish, snail, and gravel.
water, gravel, and the glass wall of the aquarium.
D)
fish, dissolved oxygen, and bacteria living in the water.
Answer:
A) fish, snail, and plants
Explanation:
If my cultures are suffering severely due to alkaloid production and accumulation in the medium. In that case, how can i overcome this problem?
Explanation:
Alkaloids are essentially natural compounds, and can mostly be used for pharmaceutical purposes. Natural habitats of different alkaloid plants have been destroyed for cultivated.
Many alkaloids are pharmacologically active and are useful as a message for several decades because a wide range of species, such as animals and bacteria, produce them.
Secondary and accumulating metabolites are related to different cell types such as epidermis endodermis pericycle phloem parenchyma, components, accompanying cells etc.
.
1.The observable expression of an allele pair is called a
A. recessive gene
B. genotype
C. monohybrid cross
D. phenotype
Which situation is an example of competition that could be found in the ocean?
two shark populations utilize the same fish population as their main food source
algae blooms decrease as the number of fish increase
lack of sunlight due to changes in the seasons restricts the growth of certain plants
plentiful oxygen leads to an increase in the number of reefs
Answer:
A. two shark populations utilize the same fish population as their main food source
I'm guessing this is from Marine Biology. I know this is an example of competition because two different groups of sharks are eating food from the same source. If one group gets to it first every time, they could leave the other group with no food. So it is a competition.
Answer:
two shark populations utilize the same fish population as their main food source
Explanation:
I took the test bestie <3
If a cell lost the ability to make its own proteins what organelle is likely not working properly?
A. Ribosomes
b. Cell membrane
C. Chloroplast
D. Mitochondria
Answer:
A: Ribosomes -
They are composed of special proteins and nucleic acids.
Explanation:
B is incorrect, because the cell membrane controls what goes in and out of the cell.
C is incorrect, because chloroplast helps with photosynthesis in plant cells
D is incorrect. because mitochondria is the power house of ther cell. It produces the energy for the cell.
Plant Nutrition and Photosynthesis
Answer:como
Explanation:
cmefr ut y aversduraos
The conservation of charge principle states that _________. Select all that apply.
Answer:
Where is the picture? .. If no picture I cant answer
Rough-skinned newts produce a strong toxin called TTX as a defense mechanism against predators. Garter snakes can
tolerate a very limited amount of the toxin. However, several populations of garter snakes have recently shown an
increased tolerance for TTX. The different populations of snakes have independently acquired a gene variation that
allows them to better block the effects of the toxin.
Jason P ROSS/Dreamstime
Rough-skinned newt
Garter snake
Which of these is most likely to increase in garter snakes?
Answer: C
Explanation: took the testy test
The most likely to increase in garter snakes is :
C) The frequency of the variant gene in the garter snake population.
"Garter snakes"The most likely to increase in garter snakes is the frequency of the variant gene in the garter snake population.
The garter snakes are common, harmless North American snake that typically has well-defined longitudinal stripes and favors damp habitats.
Thus, the correct answer is C.
Learn more about "Garter Snake":
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starch is a polysaccharide that contains...
A. one molecule of glucose
B. two molecules of glucose
C. many molecules of glucose
D. none of the above
HELP
Answer:
many molecules of glucose
Saturn's moon Enceladus orbits the planet at a distance of 2.38 x 10 m. Enceladus orbital
period about Saturn is 118,368 seconds. What is the mass of Saturn?
All living things are classified into kingdoms based on specific characteristics. Which of the following are only characteristic of the plant kingdom?
Answer:
divided into phylaits is the biggest group of living thingsAnswer:
autotrophic, eukaryotic cells, cell wall present
Explanation:
To cook food, heat must be transferred from a heat source to and through the food! Is this true or false
Answer:
true
Explanation:
Answer:
I think this would be true!!
Explanation:
Was it correct?
A doctor examines a patient who has high blood pressure and atherosclerosis in the coronary artery. what medical condition connected to blood flow is most likely to affect this patient in the future?
Answer:
A myocardial infarction (heart attack)
Explanation:
Transpiration is the _____ of water through the leaves of plants.
Answer:
loss of water :)
Explanation:
Answer:
Movement
Explanation:
Water moves out of the leaves of the plants.
Have a great day
What is the coding region of DNA called? Explain.
a- A gamete
b- A allele
c- A sister chromatid
d- A gene
Answer:
D-Gene
Explanation:
Because of the protein it get's. When it gets the protein it needs then they develop the gene therapy.
Which grouping lists only minerals?
A.obsidian, gypsum, corundum
B.pyrite, halite, brass
C.quartz, coal, basalt
Answer:
C
Explanation:
i think
How is lactase an example of fitness in humans?
[tex] \\ [/tex]
Evolutionary advantages. Lactase persistence is a text-book example of natural selection in humans: it has been reported to present stronger selection pressure than any other known human gene. However, the specific reasons as to why lactase persistence confers a selective advantage "remain open to speculation".
WHAT THEY DO IN HUMAN BODY?Lactase breaks down the lactose in food so your body can absorb it. People who are lactose intolerant have unpleasant symptoms after eating or drinking milk or milk products. These symptoms include bloating, diarrhea, and gas. Lactose intolerance is not the same thing as having a food allergy to milk.
In pastoralist populations, individuals with the lactase-persistence mutations were more likely to survive, reproduce, and pass on their alleles than people without the mutations, especially in times of famine.
[tex] \\ [/tex]
Hope It Helps!
Help me please i dont know how to this stuff
Suggest why red onion is often used when carrying out this investigation
Answer:
the cells in the onions are already dyed also it has a contrastarctary character hope this helps
Explanation:
The ______
phases appear to grow.
The ______
phases appear to shrink.
(Talking about moon phases)
Answer:
Explanation:
The First Quarter Phase Appear To Grow
The Last Quarter Phase Appear To Shrink
On a scale of one to nature valley granola bar, how much is your life falling apart rn?
Answer:
Nature valley granola bar lol
Explanation:
Answer:
Nature Valley Granola bar.
Explanation:
I can't see my future wife (whom I had gotten engaged to before the pandemic started) because she became infected with the corona virus. Not to mention several of my friends that I had known since High School have died. So life really isn't going well right now.
Anna studies the color of her bedroom wall using different lights. In sunlight, she sees that the wall is white. Anna darkens the room and shines a beam of light that includes all the wavelengths of visible light onto the wall. In this light, what's the wall color that Anna sees?
Answer:
White
Explanation:
The light is measured by its wavelength, generally in nanometers (nm), and visible light has a wavelength spectrum of 400 to 700 nm. Sunlight can be divided into three components: 1-visible light, 2-ultraviolet (UV) light, and 3-infrared radiation. Since white light is visible light (this color contains all the colors of the rainbow) and sunlight includes the visible light of all wavelengths, the object will look white under this light spectrum.
Answer:
white
Explanation:
The genotype of individual 2 could be
Answer:
ee
Explanation:
indicated by black color.