Why doesn't the Moon move away from Earth? Its orbit is too small. Its inertia is too strong. Earth's gravity is strong. Earth's gravity is weak.
Answer:
because of the balance of earth's gravity and the moon's velocity.
name two ways pollination can occur
Biuret solution specifically reacts with ____ to produce a color change.
A. DNA
B. Lipids
C. Amino Acids
D. Starches
Answer:
C. Amino Acids
Explanation:
The biuret solution is often used for the detection of proteins.Every protein is made up of monomers known as amino acids and hence the biuret solution reacts with the amino acids leading to a color change which indicates the presence of proteins in the sample. The biuret solution contains :Hydrated Copper sulfate
Potassium hydroxide solution
Potassium sodium tartrate
What is the generalized term for the specialized structures inside the cell? organelles ribosomes Golgi apparatus eukaryotes
The term for the specialized structures inside a cell is organelles. These include ribosomes, the Golgi apparatus, and the nucleus found in eukaryotes. They each perform specific functions to help the cell survive.
Explanation:The generalized term for the specialized structures inside cell is organelles. Organelles are like the organs in our body; they perform specific functions that help the cell survive. Examples of organelles include the ribosomes which produce proteins, the Golgi apparatus which sorts and packages proteins, and the nucleus which is generally found in eukaryotes and controls cellular activities.
Eukaryotes, which include organisms like plants, animals, and fungi, are characterized by the presence of organelles, distinguishing them from prokaryotic cells (like bacteria), which lack these membrane-bound structures. Organelles enable eukaryotic cells to compartmentalize and efficiently perform various tasks.
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okay consider a cross of beetles with exoskeleton allies B and b and leg size alleles N and n. the male parent is heterozygous in both traits. the females parent is homozygous recessive in both traits
Answer
This cross will generate puppies with the genotypes of 25% BbNN, 25% Bbnn, 25% bbNn and 25% bbnn.
Explanation:
In this case the parent beetle has genotype BbNn and the mother beetle is bbnn. To solve this intersection, we have to remember Mendel's law of independent segregation and perform the traits intersections separately and multiply the percentages later.
1 - Characteristic of the exoskeleton: Bb x bb that gives us 50% Bb, 50% bb.
2 - Leg feature: Nn vs nn which gives us 50% Nn and 50% nn as well.
Finally, that means the cross of beetles have a chance to origin puppies with (0,5 * 0,5) in each different trait, resulting in the genotypes of 25% BbNN, 25% Bbnn, 25% bbNn and 25% bbnn
Which of the following correctly describes the difference between transcription and translation?
-Transcription makes RNA from DNA, translation turns RNA into proteins
-translation copies new DNA, while transcription makes RNA
-translation makes mRNA while transcription makes tRNA
-Translation makes RNA from DNA, transcription turns RNA into proteins
Answer:
Transcription makes RNA from DNA, translation turns RNA into proteins.
Explanation:
Transcription is the first stage in gene expression in which an RNA molecule is made by copying a gene's DNA sequence. Transcription is carried out by the enzyme RNA polymerase which joins nucleotides together to make an RNA strand, while translation is also a process in gene expression in which messenger RNA (mRNA) is decoded within a ribosome to build a chain of amino acids which later folds to form an active protein. Translation occurs after the process of transcription.
Genetically-different __________ are the kind of cells made from meiosis.
parents
splices
gametes
Gametes are the genetically different kind of cells which are produced as a result of meiosis. Meiosis is a reductional division in which the chromosomes are reduced to half. Genetic variation in the gametes is due to crossing over between two non-sister chromatids of a homologous chromosomes during meiosis.
A force is required to change motion. True False
What is the function of the toothlike projections at the dorsal edge of the clam’s valves
The toothlike projections are important structures that contribute to the clam's survival, feeding, and habitat interactions in its aquatic environment.
1. Protection: They help protect the clam from predators by providing a physical barrier. These projections can make it more difficult for predators to access the soft body tissues of the clam.
2. Attachment: They can aid in anchoring the clam to its substrate, such as sand or mud, by providing additional surface area for attachment. This helps the clam remain in place and resist being dislodged by water currents or predators.
3. Burrowing: In species of clams that burrow into sediment, these projections can assist in digging and maintaining burrows. The toothlike projections help the clam grip and manipulate sediment particles as it burrows into the substrate.
4. Filter feeding: Some toothlike projections may also play a role in filter feeding, allowing the clam to capture and filter food particles from the surrounding water.
Smog is a form of ______ . It is made of _____ and fog.
Smog is a form of severe air pollution. This is made up of smoke and fog and hence called as Smog.
It was coined in the 20th century as blending of the word smoke and fog. This is a condition in which the air pollution is visible and is composed of nitrogen and sulfur oxides, smoke, ozone and some other pollutants.
Man made smog is caused due to pollution caused by vehicles and industrial emission and photo chemical reactions that is caused due to these emissions.
Which line graph matches the trend in this scatterplot?
Answer:
Negative correlation
y= -5x +25
Explanation:
The scatter plot shows a negative correlation between time (years) and the number of Sumatran tigers, that is, the population is decreasing.
In order to find an equation for the trend line, apply two points from the plot to the general equation for straight lines:
[tex]y-y_{0}=m(x-x_{0})\\25-0=m(0-5)\\m=-5\\y-25 = -5(x - 0)\\y= -5x +25[/tex]
For this question, look at the hydrologic cycle diagram.
Which number represents runoff on this diagram?
A) 1
B) 2
C) 3
D) 4
The correct answer is D) 4.
Runoff is one of the event that occurs during water cycle. During runoff water flows over land as surface instead of being absorbed into the ground. Runoff may be the part of rain, melting of snow or water by irrigation water and amount of runoff depends on vegetation, use of land and amount of nutrients in the soil.
How do jellyfish reproduce? Explain, in complete sentences, the process and use the words polyp and medusa.
Answer: The answer is "In the adult, or medusa, stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula. The polyps clone themselves and bud, or strobilate, into another stage of jellyfish life, called ephyra. It is this form that grows into the adult medusa jellyfish."
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What is the main genetic issue of neurofibromatosis? Why does that cause a disease or issue?
Which living organism processes nitrogen in the atmosphere and makes it available to other living forms in a usable form?
Answer:
Bacteria.
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the early Paleocene world was slightly ____ then the proceeding Cretaceous period
cooler
warmer
less evolved
none of the above
The answer is 'cooler'. The Cretaceous Period was relatively warm and was experiencing global warming. However, a cooling trend was evident towards the end of the Cretaceous. The Paleocene followed the meteorite impact that resulted in the extinction of most of the dinosaurs. It is thought that dust particles in the atmosphere resulted in cooling during the early Paleocene.
what group is this in
Decide whether each statement describes mass or weight?
how are the anthers and pollen grain adapted for distributing pollen?
what are two ways that scientists have studied space debris as a possible origin of organic compounds on Earth? What did they discover in each case? (2 ) What is the evidence that the first life may have evolved around geothermal vents?
1.) If a sailing ship represents the human body, how is a sudden storm at sea like a virus? Use the word homeostasis
2.) If the wind changes direction, and the ship veers off course, what type of feedback loop results in the ship returning to its course?
If the genotype for a trait is hybrid, the trait expressed will be-
A. Recessive
B. Dominant
C. Purebred
D. Homozygous
scientists discovered a new organism in the Antarctic. the organism grows in colonies and is made up of eukaryotic cells. in which domain does this organism belong?
The new organism discovered in the Antarctic by the scientists is made up of the eukaryotic cells and grows in colonies. The presence of eukaryotic cells means that the genetic material is present inside the membrane bound nucleus, and membrane bound cell organelles are present inside the cell. These are the characteristic of the organism belong to the domain of Eukarya.
Hence, the answer is 'Eukarya'.
The region of a chromosome where two sister chromatids are held together is called a
The region of a chromosome where two sister chromatids are held together is called the centromere. This highly condensed area plays a crucial role in maintaining the connection between chromatids until they are separated during cell division.
The region of a chromosome where two sister chromatids are held together is called the centromere.
Each chromosome is made up of two identical copies called sister chromatids.The centromere is a highly condensed, constricted area where the chromatids are most closely connected.After DNA replication, the centromere is the region that ensures the sister chromatids stay conjoined.The connection through the centromere is crucial for proper chromosome segregation during cell division.
Which statement best explains a difference between the interaction of light with clear glass and the interaction of light with silver metal?
Light slows down when it interacts with glass but not when it interacts with metal.
Light slows down when it interacts with metal but not when it interacts with glass.
Most of the light passes through glass but none of the light passes through metal.
Most of the light is absorbed by glass but none of the light is absorbed by metal.
The correct answer is option C
When a ray of light is incident on clear glass and silver metal then most of the light is transmitted through the clear glass and none of the light passes through the silver metal.
This is so because the clear glass is a transparent substance and silver metal is a opaque and no light can pass through it.
The light gets transmitted through the clear glass and the light gets reflected back which strikes the metal surface.
1.Which bright solar feature is shown in the picture above?
Solar flare
Prominence
Sunspot
Convection zone
(Use image 2)
2.Which layer of the sun is responsible for producing the light shown in the picture above?
Radiative zone
Convective zone
Photosphere
Chromosphere
(Use image 1)
1. The bright solar feature shown in the picture is a solar flare.
A solar flare lasts for few minutes to an hour. When magnetic energy which is built up suddenly releases, a bright flare can be observed. This event may not cause loss of mass but large amount of electromagnetic radiation is emitted. A sudden rise in brightness can be observed.
2. The layer of the Sun that is responsible for Solar flares is Photosphere.
It is the atmosphere of Sun. It has granules of plasma and cooler regions called sunspots.
Its α sФlar flαr∈ β∈cα∪s∈ αccФrding to NASA thαt pictur∈ shФws a mid-sФlar flαr∈
Which part of a DNA molecule represents encoded information
Answer:
Phosphate
Explanation:
Give three situations where the negative staining procedure would be used.
Answer:
3 situations
Explanation:
1- organisms that are delicate and can't be heat-fixed so for that kind of organism negative staining technique is used.
2- for studying morphology. In the identification of the organism where it's structure, shape, size, and arrangement is important this technique used.
3- this technique, also used for capsular strain or organism identification.
How do the levels of reproductive hormones regulate or influence the human menstrual cycle?
Where trenches do not exist, the steep continental slope merges into a more gradual incline known as the continental ____. a abyss b zone c rift d rise