As Earth revolves around the Sun, the number of daylight hours varies from place to place. In which location would the number of daylight hours remain constant?
( North Pole, Equator, Anartica, Prime Meridian)
Answers
Answer:
i think its the Equator im not that sure
The number of daylight hours will remain constant at : ( B ) The equator
As the earth continues to revolve around the sun, It brings about the changes in seasons ( winter summer, spring and autumn ). During each season the daylight hours varies slightly across each place. While
The equator receives sufficient sunlight which makes its daylight hours fairly constant as the earth revolves around the sun. also the temperature at the equator is warm all round the seasons.
Hence we can conclude that the number of daylight hours will remain constant at the Equator.
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Related Questions
why do cells need to go through mitosis
Answers
Answer:
Mitosis is a way of making more cells that are genetically the same as the parent cell. It plays an important part in the development of embryos, and it is important for the growth and development of our bodies as well. Mitosis produces new cells, and replaces cells that are old, lost or damaged.
Explanation:
Hope that this helps! If it does please mark me the Brainliest! Peace and Love
During the cell cycle, the cell duplicates its genetic material. Moreover, also during this cycle, the cell synthesizes all materials required for its division.
The cell cycle can be divided into an interphase and a mitotic (M) phase.
The interphase is in turn divided into three phases: Growth 1 (G1) phase, Synthesis (S) phase and Growth 2 (G2) phase.
During the S phase, the cell duplicates its genetic material by a process called DNA replication.
During G1 phase and G2 phase, the cell grows and synthesizes all materials (i.e., proteins) required to enter into the M phase.
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Which are advantages of using renewable resources? Choose all that apply
Answers
Answer:
Generating energy
Explanation:
that produces no greenhouse gas emissions from fossil fuels and reduces some types of air pollution.
Diversifying energy supply and reducing dependence on imported fuels
Select all the true statements about density: (hint - there are 4 correct statements)
d=m/v (denisty equals mass divided by volume)
density is measured in meters
density is the ratio of an objects mass to its volume
objects that are heavy for their size are very dense
objects that are heavy for their size are not dense
density is how much matter is in a given amount of space
all dense objects will float
(there is more then 1 answer by the way)
Answers
answer
2nd is wrong
5th is wrong
last is wrong
Scientists have discovered that there are reproductive isolating mechanisms that can stop a population from interbreeding and possibly lead to the formation of a new species. What is this process called
Answers
Answer:
Polyploidy
Explanation:
The isolating mechanism that is capable of stopping a population from interbreeding, possibly leading to speciation is polyploidy.
Polyploidy is a condition in which a species of an organism will have multiple, instead of a diploid, chromosomal set as a result of an error during meiosis.
Non-disjunction during meiosis can make a gamete have a diploid number of chromosomes in the place of a haploid chromosome. A 2n gamete fusing with an n gamete will result in a triploid organism, 2n plus 2n gametes will result in a tetraploid organism, etc.
If the extra chromosomal set is from the same species, such polyploidy is termed autopolyploidy, otherwise, it is termed allopolyploidy. Having extra sets of chromosomes has the capacity to make an organism to be reproductively incompatible with normal diploid organisms of the same species. However, polyploid organisms can either self-pollinate or cross with another polyploid organism, a process that can lead to sympatric speciation.
What does ambulocetus translate to?
Answers
Ambulocetus (meaning "walking whale") is an early cetacean with short limbs and large feet used for swimming. Along with other members of Ambulocetidae, it is a transitional fossil that shows how whales evolved from land-living mammals.
Answer:
Walking whale that swims
Explanation:
its a cetacean with short limbs and large feet used for swimming
Cross a person who does not have freckles and is heterozygous for dimples with a person who has
freckles (but her mom does not) but no dimples.
1. What is the probability that these parents will have a child with dimples?
2. What is the probability that these parents will have a child with freckles?
3. What is the probability that these parents will have a child with dimples and freckles?
Answers
Answer:
1. 1/2
2. 1/2
3. 1/4
Explanation:
Let the allele for freckles be A or a while that of dimples be B or b.
A person without freckles but heterozygous for dimples = aaBb
A person who has freckles (whose mother has no freckles) but no dimples = Aabb
aaBb x Aabb
Offspring
4 AaBb - freckled and dimpled
4 Aabb - freckled and non dimpled
4 aaBb - non freckled and dimpled
4 aabb - non freckled and non dimpled
1. Probability that the parents will have a dimpled child = 8/16 or 1/2
2. Probability that they will have a child with freckles = 8/16 or 1/2
3. Probability that they will have a child with freckles and dimples = 4/16 or 1/4
See the attached image for the Punnet's square analysis of the cross
someone help. ill give brainliest to the correct person. image below.
Answers
Answer:
B.
Explanation:
help please that would be great
Answers
Answer:
B or E
Explanation:
B and E are selected by man-kind not nature itself.
Why might a vaccine make someone sick?
Please help this is due today.
Answers
CUCKOO AND WARBLER symbiotic relationship?
Answers
Answer:
The relationship between the Cuckoo Bird and the Warbler is a parasitic symbiotic relationship.
Explanation:
The Warbler lays their eggs in the Cuckoo bird's nests that their offspring can be cared for by the other bird. The Warbler benefits by not having to care for their young while the Cuckoo bird is harmed by having to care for the extra birds in their nests.
This is an EMERGENCY please help and answer the in order please help i will also mark brainlliest!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
(This is 7th grade science).
Answers
Answer:
Explanation:
skin: y, n, n, n , animal
neurn: y, y, n, n , nonliving
sand: n,n,n,n nonliving
maple leaf y, y, y, y, plant
blood: y, y,n,n animal
e.coil: y, n, n, n bacterial
root hair: y, y, n, n, animal
A change in the nucleotide sequence
produced during DNA replication
Answers
DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation. Depending on how a particular mutation modifies an organism's genetic makeup, it can prove harmless, helpful, or even hurtful.
According to the passage, what causes mutations during protein synthesis?
A. A wrong base becomes a permanent part of a new DNA sequence.
B. Most mutations happen spontaneously as DNA replicates itself.
C. A great many mutations occur due to chemicals in the environment.
D. Mutations do not occur during the process of protein synthesis.
Answers
Answer:
d.
Explanation:
Answer the question in the picture
Answers
zvanswerefh
Explanation:
Riddick DM Inc cucumber CTN ay be bunching
easy points i think. Just find the definitions and post here please dw abt the sources I'll do that part easy peasy.
Answers
Anti-codon- a sequence of three nucleotides forming a unit of genetic code in a transfer RNA molecule
Ribosome- a complex molecular machine that produces proteins from amino acids. They are found in both prokaryotic and eukaryotic cells
Double-helix- the structure formed by double-stranded molecules of nucleic acids
Lysine- a building block for protein and an essential amino acid
Write a short paragraph that explains the relationship between the terms "chromosome," "gene," "DNA," and "allele."
Answers
Answer: Genes appear throughout the length of each chromosome, and each chromosome pair has a unique set of genes. ... In a diploid organism, the two corresponding genes in a chromosome pair, or alleles, might be identical or might have different base sequences. Each parent contributes one allele in each pair.Alleles are different forms of same gene. Genes are linearly arranged on chromosomes. Chromosomes contain genetic material of cell i.e. DNA. So chemically alleles, genes, chromosomes are all DNA !
Explanation:
18 points! A BRAINLY IF U ARE CORRECT> QUESTION: When you open the door to a refrigerator for a minute, what happens? Also, Expain your answer.
A. Thermal energy in the air outside the refrigertor is transferred to the inside of the refrigerator.
B. Thermal energy in the refrigerator is transferred to the air outside the refrigerator.
C. The temperature of the air inside the refrigerator decreases.
D. The teperature of the air just outside the refrigerator increase.
Answers
Answer:
The Answer is A
Explanation:
Explanation is the thermal heat energy from the outside is transferred by diffusion to the inside of the fridge applicably making the inside hotter and the outside colder in the immediate area.
hurryyyy plzzz im timed!!!!!!!!!!!!!!!!!
Which of the following increases soil acidity?
planting acid-loving plants
adding compost
adding aluminum
acid rain
Answers
Answer:
acid rain
Explanation:
Answer: The correct answer is acid rain
Explanation: This answer has been confirmed correct.
Can someone help me with number 11?
Answers
23. A PCR reaction is performed, and the negative control demonstrates the presence of a detectable number of PCR product (amplicons) by capillary electrophoresis. What is the most likely cause?
Answers
Answer:
Contamination of the control sample (negative control) with DNA
Explanation:
The Polymerase Chain Reaction (PCR) is a technique widely used in molecular biology laboratories to amplify a target DNA fragment using primer pairs and DNA polymerase. In PCR experiments, it is imperative to include both positive and negative controls. The positive control refers to the amplification of a PCR product (amplicon) of known molecular size during PCR reaction in order to ensure the correct molecular weight of the target DNA fragment. The negative control refers to the inclusion of a sample without DNA in order to ensure that no contamination with DNA has occurred in the other samples.
Select all that apply to the evidence of evolution:
A homologies- anatomical, molecular, and developmental
B biography
C natural selection
D fossil record
pls help!!
Answers
In order to insert a human gene into a plasmid, both must _____In order to insert a human gene into a plasmid, both must _____have identical DNA sequencesoriginate from the same type of cellcode for the same gene productbe cut by the same restriction enzymebe the same length
Answers
Answer: be cut by the same restriction enzyme resulting in the formation in the formation of the complementary sticky ends.
Explanation:
I hope this helped
Scientists recently studied the reproductive behavior of a yeast species. They noticed a new species emerged from two populations. This new species formed after the yeast were exposed to signaling molecules called pheromones. Both male and females release pheromones, which bind to cell surface receptors. Pheromones from the male bind to female cells. The opposite is true for pheromones secreted from female cells. This signaling action causes the yeast to change their sex type.
Explain how this phenotypic plasticity is beneficial.
Answers
Answer:
Phenotypic plasticity in yeast cells is beneficial because this allows the yeast to change its phenotype of being a male or female. This plasticity depends on the type of pheromone exposure. The ability to change phenotype increases the reproductive success of yeast cells. This condition is useful for yeast, especially if they must adapt to changes affecting their reproduction and survival. By having phenotypic plasticity, the yeast can continue to grow its population size.
Answer:
When the yeast is exposed to a pheromone, its phenotypic plasticity allows it to change its sex type, meaning if there is a yeast molecule that is releasing pheromones close to another molecule of yeast, the latter molecule will change its sex type to the opposite sex, if necessary, to reproduce. The yeast's phenotypic plasticity regarding sex type allows it to grow the population more effectively, helping the species survive.
What is true of mutations?
They are always harmful.
They give us superpowers.
They are always helpful.
O
O
They cause the cells to make the wrong protein.
Answers
Answer:
C. They cause the cells to make the wrong protein.
Explanation:
A genetic mutation is an alteration of a particular base pair or nucleotide sequence in the genome. Mutations, since they alter the base pair, can change genes and their expression.
Measurements of physical ocean characteristics are often taken at the time and place of phytoplankton sampling.
a. True
b. False
Answers
Choose all the answers that apply.
Which of the following would be carried by suspension?
clay
large rocks
small pebbles
silt
sand
Answers
Answer:
clay
slit
Explanation:
What are paired chromosomes called?
Answers
Answer:
Humans have 23 pairs of chromosomes--22 pairs of numbered chromosomes, called autosomes, and one pair of sex chromosomes, X and Y. Each parent contributes one chromosome to each pair so that offspring get half of their chromosomes from their
Down syndrome is one of the most common genetic disorders, occurring in 1 out of 800 births. What percentage of the population would have Down syndrome?
Answers
0.00125 x 100= 0.125
0.125%
Which of the following statements is true?
In humans, fertilization creates a cell with 23 chromosomes.
All organisms have the same number of chromosome pairs.
Females have a 100 percent chance of inheriting Y-linked genetic disorders.
Males are more likely to be colorblind because they only have one X chromosome.
i need help with this on to
Answers
6CO2 + 6H20 602 + C6H1206
Molecular Energy in Photosynthesis
Name of
Molecule
Chemical
Formula
Amount of Energy per
Molecule (in kJ per mole)
Carbon dioxide
CO2
799
Water
H20
467
Oxygen
O2
495
Glucose
C6H1206
9,467
Which statement correctly describes the flow of energy in photosynthesis?
A Photosynthesis releases energy when carbon dioxide and water combine to form glucose molecules.
B Photosynthesis releases energy when the reactants rearrange and form the bonds in the products,
Photosynthesis stores energy because energy is released when glucose is formed from carbon dioxide and water.
D Photosynthesis stores energy because more energy is stored in glucose than it is in carbon dioxide or water.
Answers
Answer:
Photosynthsis stores energy because more energy is stored in glucose than it is in carbon dioxide or water is the correct answer.
Explanation: