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which of these statements about the stars' apparent motion in the night sky are true? choose all that apply ( it could be more than one answer)
A. The orbit of stars around the sun causes stars to appear to move in the night sky.
B. The orbit of stars around the center of the galaxy causes stars to appear to move in the night sky
C. The rotation of earth on its axis causes stars to appear to move in the night sky.
D. The orbit of earth around the sun causes stars to appear to move in the night sky.
i have 1 hour left
The nucleus contains______
Answer:
If you're talking about the cell: The nucleus contains the cell's chromosones
If you're talking about the atom: The nucleus contains protons and neutrons.
Explanation:
Have a good day :)
how genes control many of the characteristics of the organisms? answer asap pls
Answer:
To summarize, two things determine the traits an organism has: its genotype and the dominance or recessiveness of the alleles it has. Some traits, like flower color in peas, are controlled by a single gene, but ultimately many if not most traits in an organism are controlled by more than one gene
Explanation:
Como identificar un nucleotido del ADN
Answer:
By the build
Explanation:
A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base. The bases used in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T). In RNA, the base uracil (U) takes the place of thymine.
Which sentence best supports the idea
that fossils help us learn more about
the history of the earth?
Natural geological processes
bring layers of rock to the
surface.
Most animals of our past did
not fossilize.
wit
Speac
The largest dinosaur fossil
ever found was of a
Brachiosaurus.
sroamed the
posed to
slowly
d, the remains
Paleontologists know about
the diversity of life that has existed since the beginning of time
Answer:
D the remains Paleontologists know about the diversity of live that has existed since the beginning of time
Explanation:
fossils assist in understanding of evolution throughout the billions of years that the earth has housed living beings. it allows us to even date history
Madison is looking at a cell under the microscope. The organism has only one cell, and it has a nucleus and membrane bound organelles. It has no cell wall and uses flagella for movement. In which kingdom should this organism be classified?
Answer:
Protista. hope this helps!!! (my answer might be wrong)
What happens during translation? *
A.) The cell uses information from mRNA to produce proteins.
B.) tRNA is made from mRNA.
C.) mRNA is made from DNA.
Answer:
What happens during translation? tRNA is made from mRNA.
Explanation:
Option B) is your answer. Have a great day.
i need it fast
After chewing foods like rice, potato and bread, for a while, we can feel a mild
sweet taste. Give reason for this.
dude, you asked brainly the whole worksheet?? Do it yourself sreerag!!
Are data that do not support a hypothesis useful?
A. Yes, because the data prove that the experiment was designed
poorly
B. Yes, because the data provide useful information that can lead to
more testing
C. No, because the data show that the experiment failed
D. No, because the data must be inaccurate
Jack found a fossil in a rock that he dug up. The fossil is of a fish.
Which can the fossil tell him about the land when the fish was alive?
Jack found a fossil in a rock that he dug up. The fossil is of a fish. That there was water there once. A fossil record provides the proof of the typical progenitor and its many species.
What are the fossils?Fossils are the preserved remains of flora and faunna whose bodies were seeded in sediments, such as sand and mud, under ancient seas, lakes and rivers.
Fossils also include any preserved trace of life that is usually more than 10 000 years old.
Thus, The fossil is of a fish. That there was water there once.
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Why does the Sun generally appear to rise in the east, move across the sky, and
set in the west each day? *
O (1) Earth rotates on its axis.
(2) Earth revolves around the Sun.
(3) The Sun rotates on its axis.
(4) The Sun revolves around Earth.
1. Elaborar resumen del texto sobre los estados de la materia( usar alguna estrategia: mapa mental, conceptual, historia, cuento)
Answer:
Sólido, líquido, gas y plasma.
Explicación:
Materia son las sustancias que ocupan espacio y tienen peso. Hay cuatro estados de la materia, es decir, sólido, líquido, gas y plasma. Todos los materiales presentes en este universo en estos cuatro estados. Los estados de la materia cambian con el aumento o la disminución de la temperatura del material. si la materia sólida se calienta, se derrite y cambia a estado líquido y luego gaseoso mientras que, por otro lado, la temperatura decreciente conduce a la condensación y congelación de la materia que causa el cambio de estado gaseoso a líquido y sólido. El plasma está formado por un gas de iones, átomos o moléculas.
Which central idea of the article is MOST
supported by this paragraph?
А
African crested rats use poison from tree bark
as a type of defense.
B
African crested rats have many natural
predators in their woodlands habitat.
Scientists
want to increase conservation efforts
to protect crested rats.
D
Scientists are just beginning to leam about the
behaviors of crested rats
What percentage of the offspring are green , if you crossed a heterozygous pea plant with another heterozygous
pea plant?
50%
O 75%
O 25%
O 100%
Answer:100 percent
Explanation: This is because if both P plants are heterozygous both of them are caring an equal amount of genes hence they have and are 100% P plant heterozygous
Write an argument for describing the human body as a system.
Answer:
Our bodies consist of a number of biological systems that carry out specific functions necessary for everyday living. The job of the circulatory system is to move blood, nutrients, oxygen, carbon dioxide, and hormones, around the body. It consists of the heart, blood, blood vessels,arteries and veins.
Explanation:
X + H20 → Y + O2(what would be y in this equation ?)
Answer:
y. 2. • CxHy + O2 → x CO2 + y/2 H2O. Combustion Problem. Erythrose is an important mono-saccharide that is used in chemical synthesis. It contains Carbon.
Explanation:
In the chemical equation X + H₂O → Y + O₂, Y represents the product of the chemical reaction, here Y is the glucose, and this X is carbon dioxide, and this is a reaction of the photosynthesis.
What is photosynthesis?During photosynthesis, the energy from light is used to split water molecules into oxygen and hydrogen ions. The oxygen is released into the atmosphere as a waste product, while the hydrogen ions are used to create a chemical gradient across the thylakoid membrane within the chloroplast. This gradient is then used to power the creation of ATP, the energy currency of cells, as well as to reduce carbon dioxide to form organic molecules, such as glucose. The overall equation for photosynthesis is:
6 CO₂ + 6 H₂O + light energy → C₆H₁₂O₆ + 6 O₂
Hence, In the chemical equation X + H₂O → Y + O₂, Y represents the product of the chemical reaction; here, Y is the glucose.
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When are chromosome mostly condensed
Metaphase is a stage of mitosis in the eukaryotic cell cycle in which chromosomes are at their second-most condensed and coiled stage (they are at their most condensed in anaphase).
The state of Illinois has a law that requires 25% of electricity in the state 2 be produced by renewable energy sources by the year 2025. This law is an example of
a. Green pricing
b. A renewable portfolio
c. An Energy Star promotional program
Answer:
b. A renewable portfolio
Explanation:
A renewable portfolio refers to the policies that are designed to increase the use of renewable energy sources for electricity generation. These renewable energy sources such as water, wind and solar radiation etc are used for the generation of electricity and also to reduce pollution in the environment. These renewable energy sources are present unlimited or in huge amount in our environment so its usage is beneficial for both humans and environment.
Please I need major help! Help me please?!?
What could be a human factor that could cause algae blooms?
(THIS IS 8th GRADE EARTH SCIENCE)
Fertilizer Runoff
The excess nutrients provided by the fertilizer allow for rapid growth of algae and microorganisms. This fertilizer runoff can come from agricultural lands, or from residential areas.
Mitosis vs. Meiosis answer chart
Answer:
why do cells divide is mitosis
mitosis is understood to involve five phases
how many daughter cells produced in mitosis two
how many daughter cells produced in meiosis four daughter cells
A condition in which every cell in the body has an extra set of chromosomes is not compatible with life. In some cases, a change in the number of chromosomes occurs only in certain cells. When an individual's cells differ in their chromosomal makeup, it is known as chromosomal mosaicism .
HOPE THIS helps
Explanation:
Mitosis is used to produce daughter cells that are genetically identical to the parent cells. The cell copies - or 'replicates' - its chromosomes, and then splits the copied chromosomes equally to make sure that each daughter cell has a full set.
[tex]\Large{\textbf{Mitosis:}}[/tex]
The cells undergo mitotic division to increase the number of cells to replace the worn out cells and for growth.In Mitosis, there are 4 stages, they are, Prophase, Metaphase, Anaphase and Telophase.In mitosis, cell divide once to form 2 daughter cells.In mitosis 2 daughter cells are produced.No, Chromosomal Number remains the same in mitosis i.e. 46.The final result of mitosis is two identical cells which are called daughter cells[tex]\Large{\textbf{Meiosis:}[/tex]
In meiosis, cells divide to produce gametes(i.e. sex cells) for the sexual reproduction.Meiosis occurs in 2 division i.e. Meiosis 1 and Meiosis 2(It is just Mitosis). The stages that are involved in these 2 division are 8.The stages of Meiosis 1 are,
(a) Prophase (which is sub-divided into 5 more stages which are Leptotene, Zygotene, Pachytene, Diplotene and Diakinesis)
(b) Metaphase,
(c) Anaphase,
(d) Telophase.
The Stages of Meiosis 2 are, Prophase, Metaphase, Telophase and Anaphase which are same as mitosis.
3. In meiosis, Cell divides twice.
4. In meiosis, 4 daughter cells are produced.
5. Yes, the chromosomal number in mitosis is reduced to half than normal i.e. 23
6. In meiosis, the final result is 4 haploid cells. If meiosis occurs in male then these haploid cells will be called sperms, if it occurs in female then they are called Ova(egg).
_____________________________________Just to give you some insight knowledge of Meiosis Im adding some extra points
[tex]\Huge\textbf{Meiosis:}[/tex]
Meiosis is a special type of cell division, which occurs only in the germ cells during the process of development and maturation to form gametes. It consists of two successive cell divisions,
Meiosis 1 : First meiotic division, that reduces the NUMBER of chromosomes i.e. the parent cell is diploid(46 Chromosomes) and the daughter cells are haploid(23 Chromosome). It also causes genetic variation in the haploid by cross linkage.
Meiosis 2 : Second meiotic division (Meiosis II) starts with two haploid parent cells and ends with four haploid daughter cells. Meiosis 2 like Meiosis 1, does not reduce the NUMBER OF CHROMOSOME that means the forming 4 daughter cells are haploid and their number of chromosome remains the same as the parent. BUT Haploid cells that go into the meiosis 2 have MORE AMOUNT OF CHROMOSOME THAN USUAL, thus MEIOSIS 2 REDUCES the amount of chromosome rather than the number of chromosome.
The DNA of the primitive germs cells is replicated prior to the meiosis 1 only and there is no replication of DNA before Meiosis 2. The four final cells reulting from the two meiotic divisions are not only haploid(i.e. containing 23 chromosome) but they are also containing 1n amount of DNA so that when the gametes fuse together forming a zygote, both the amount and number of chromosome and DNA remains SAME.
_____________________________________
[tex]\Large\text{Why is Meiosis Important?}[/tex]
Meiosis is essential for the sexual reproduction of eukaryotic organisms because it enables genetic diversity through recombination, and the repair of genetic defects.
It contributes in genetic reassorment which ensures the genetic diversity in the offsprings. The genetic reassortment takes place by following two mechanisms:
During the prophase of meiosis 1, crossing over of genetic material between the homologous maternal and paternal chromosomes takes place which causes exchange of DNA fragments between the chromosome resulting is genetic diversity. During the anaphase of the first meiotic division, there is random distribution of maternal and paternal homologous chromosomes among the daughter cells which are produced as a result of meiotic division._____________________________________Best Regards,'Borz'
DNA replicates by breaking the bonds between its two strands, after which each strand?
A.grows to double length.
B.synthesizes a new strand
C.takes a spiral appearance
D.winds back upon itself
Answer:
i think its B
Explanation:
good luck and may the Lord bless you
'having two sets of genes in the germ cells is possible' . clarify this statement with reasons
Answer:
that I have a a but this is the real account of Finn have a great day today with my mom said you didn't want me there was an amazing person I am so
What type of energy transformation takes place during cellular respiration?
Answer: The energy transformation that takes place during cellular respiration is the conversion of glucose (chemical energy) to another form of compound with high energy bonds (adenosine triphosphate) that can be readily used by the body. All energy on Earth comes from the sun.
Explanation:
A bacterium is made of _____ cells.
Answer:
prokaryotic cells
Explanation:
GIVING BRAINLIEST!!!!!!
A student made a table to show information about the physical structures and organs of birds. What statement best describes how to correct an error in the table?
The feathers support the body.
The feathers help the bird move.
The ovaries produce the eggs.
The ovaries produce the sperm.
An ecosystem that retains structure & continues normal functions even when environmental conditions change is?
Resilient
Resistant
Reductive
Reconciled
Answer:
Resistant
Explanation:
A good aspect of the ecosystem can either be resistant or resilient when there is a disturbance or a form of deviation from the regular occurrence in the ecosystem structure, function, or both.
For an ecosystem to be resistant means it maintains structures and goes on with normal functions despite the disturbance or alteration in environmental circumstances.
Hence, in this case, an ecosystem that retains the structure and continues normal functions even when environmental conditions change is RESISTANT.
True or false plants help produce carbon compounds through photosynthesis
An allele arises in a population that helps individuals digest cellulose. While the allele starts in only one organism, it increases in allele frequency because it allows organisms that carry it to reproduce more. What is this an example of
ANSWER: A NATURAL SELECTION.
EXPLANATION:
When allele has direct effects on the organism and the environment, it is termed natural selection. It either affects an organism positively by causing more DNA reproduction, leading to the increase in allele’s frequency, or negatively by decreasing it .
However, this shouldn't be mistakened for genetic drift, where allele increase or decrease is established in the random organisms that survived.
List all the biotic and abiotic factors in figure 4
Answer:
1
Explanation: