Answer:
What types of species will evolve in the future
Explanation:
This would only be solved by time as the word future means it can not have been discovered they can make hypotheses but that is not facts
A reasonable speed for a snail is _____.
A. 2 mm/s
B. 2 m/s
C. 2 km/min
D. 2 km/hr
A, the others are unrealistic speeds.
what are the differences between a prokaryotic and Eukaryotic? and what are their functions?
which of these components of a cell functions like the digestive system in the human body,endoplasmic reticulum,golgi apparatus, mitchondria, plasma membrane
how does turtle give birth.
What body part of the Galápagos finches appears to have been modified by natural selection?
when scientists refer to the DNA to RNA to proteins pathway, the RNA part of that pathway really represents three different types of rna: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). how is each type of RNA important to protein production
The main activity of RNA is to develop proteins through the process of translation. The three RNAs that takes place in the synthesis of proteins are mRNA, rRNA and tRNA.
• The process of developing the molecules of proteins is known as protein synthesis. In biological terms, it comprises the synthesis of amino acids, translation, transcription, and post-translational events.
• The mRNA or the messenger RNA is transcribed from DNA and carries information required for the synthesis of protein.
• At the time of translation, the tRNA or the transfer RNA carry particular amino acids to the ribosome.
• The rRNA or the ribosomal RNA performs the function in the synthesis of the ribosome, that is, the location where translation process takes place.
Thus, the three RNAs, that is, mRNA, tRNA and rRNA performs an essential function in the synthesis of proteins.
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In eukaryotes, the process of the cell division is called mitosis, true or false ?
The given statement "In eukaryotes, the process of the cell division is called mitosis" is true. Because, mitosis is a type of cell division.
What is mitosis?Mitosis is a type of cell division in which the chromosomes divide evenly into two identical groups. Mitosis is the method by which most cells divide in the body, including somatic (non-sex) cells and some cancerous cells.
Mitosis is responsible for cell growth and development, tissue repair, and asexual reproduction in organisms that do not reproduce sexually. Eukaryotic cells divide into two identical daughter cells through a cell division method known as mitosis.
The cell's nucleus divides during mitosis, which is followed by the division of the rest of the cell. Cell division is necessary for development, growth, and repair in multicellular organisms, as well as asexual reproduction in some single-celled organisms, which make exact clones of themselves by dividing.
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The allele for a widow’s peak has complete dominance over the allele for a straight hairline (w). What is the probability of a man with a straight hairline (ww) and a woman with a widow’s peak (WW) having an offspring without a widow’s peak?
Answer: i think is 75% chance
Explanation:
What practice would probably NOT reduce the greenhouse effect?
Answer:
Answered
Explanation:
Practices that would probably not reduce the greenhouse effect are
1. Use of aerosols containing CFCs.
2. Use of greenhouse gases in refrigeration and conditioning.
3. Use of convectional fuels that emit carbon dioxide as exhaust.
4. Indiscriminate cutting of trees, to contribute to cooling of the atmosphere.
A scientist has discovered a new gene in oysters. Oysters with the dominant allele for disease resistance 'R' have been found to tolerate polluted waters better than oysters with the recessive 'r' allele. What term is used to describe an oyster that has two identical dominant alleles (RR) for this gene?
A) genetic hybrid
B) homozygous dominant
C) heterozygous dominant
D) heterozyous recessive
the answer is B I believe
The right answer is B) homozygous dominant
We speak of homo / heterozygosity about a locus, that can be represented by several alleles (version). The alleles are dominant or recessive between them.
*So homozygote: same alleles
*heterozygote: different alleles
Consider a locus and 2 alleles:
allele R: dominant
allele r: recessively
*heterozygote: R / r
*homozygous recessive: r / r
*homozygous dominant: R / R
What occurs in a chemical reaction?
What features of development indicate that echinoderms and chordates are more closely related to each other than they are to other animals
The features of development which indicate that echinoderms and chordates are more closely related to each other than they are to other animals are:
Their phyla belongs to the Deuterostomia clade of bilaterian animals.What is a Feature of Development?This refers to the characteristics which are good indicators that a particular species are progressive and can survive extinction and reproduce.
With this in mind, we can see that echinoderms and chordates are closely related because of their phyla which belongs to the deuterostomia clade of bilaterian animals.
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The presence of deuterostome development, characterized by the formation of the anus before the mouth during embryonic development, is a key feature shared by echinoderms and chordates, indicating their closer evolutionary relationship compared to other animal groups.
Animals can develop along either of the two main developmental paths during embryonic development: the protostome or the deuterostome. Deuterostome development is seen in both chordates, which include vertebrates like fish, amphibians, reptiles, birds, and mammals, and echinoderms, which include sea stars, sea urchins, and sea cucumbers. The blastopore, the early gastrula stage's aperture, develops into the anus in deuterostome development, with the mouth forming later. This pattern differs from protostome development, in which the anus forms secondary to the blastopore, which develops into the mouth. The shared deuterostome development between echinoderms and chordates suggests a closer evolutionary relationship between these two groups compared to other animal phyla, such as arthropods (like insects and crustaceans) or mollusks (like snails and clams), which exhibit protostome development. This developmental similarity is considered a strong indicator of shared ancestry and evolutionary relatedness.elements in the same column down and have similar qualities belong to the same
Can someone plz help me with these 3 new and last questions!! Will give brainliest for right answers!! Thanks!!
11. To find the volume of a few small marbles, a student will need which of the following scientific tools?
A. a balance and a centimeter ruler 3.0
B. a spring scale and a calculator
C. a graduated cylinder and water
D. a microscope and a micron ruler
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12. A student includes the following sentence in a write-up of their investigation: The lead ball has a measured mass of 113 grams. Which kind of scientific statement is this sentence?
A. inference
B. prediction
C. conclusion
D. observation
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13. Some students measure the mass of a small pile of leaves before and after the leaves decompose. Each time the students measure the mass, they place a container with the decomposing leaves on a balance. Before recording the mass of the leaves, the students must do which of the following?
A. Subtract the mass of the container
B. Add leaves from other plants to the container
C. Allow the leaves to settle in the container for a few days
D. Use a metric ruler to measure the volume of the container
Suppose the number of organisms in one population in a community suddenly increases. Predict what might happen, and explain why.
Two students described a part of Earth's middle layer.
Bob: The deepest part
Joe: The semi-fluid part
Which part of the middle layer did Bob and Joe describe?
A. They both described the mesosphere.
B. They both described the asthenosphere.
C. Bob described the mesosphere and Joe described the asthenosphere.
D. Bob described the asthenosphere and Joe described the mesosphere.
Answer:
Hi! The answer would be C! :3
Explanation:
I took the test and got 100% on it so if you need help with any other questions on that test just let me know! <3
Looking at the chart above, the students need to develop a classification scheme to distinguish plant and animal cells. The presence of which of the following structures/organelles would be most useful for this purpose?
Answer: the answer for studyisland is cell wall
Explanation:
PLZZZZZ HELPPP!!!
All living organisms, including bacteria, plants, humans and other animals, are made up of one or more cells. Explain why all living organisms need to have DNA. Include the words genes and proteins in your explanation.
Describe a plant’s circulatory system.
*There are no answer choices*
*I would appreciate it if you used accurate information, complete sentences, and make sure it makes sense*
Answer:
Explanation:
Water and dissolved minerals enter a plant's roots from the soil by means of diffusion and osmosis. These substances then travel upward in the plant in xylem vessels. The transpiration theory ascribes this ascending flow to a pull from above, caused by transpiration, the evaporation of water from leaves. The long water column stays intact due to the strong cohesion between water molecules. Carbohydrates, produced in leaves by photosynthesis, travel downward in plants in specialized tissue, phloem. This involves active transport of sugars into phloem cells and water pressure to force substances from cell to cell.
Homogeneous mixtures can only be chemically separated into their individual components.
True
False
the answer to the question is false
False. Homogeneous mixture cannot be separated by physical method of separation like fractional distillation.There is no means to separate homogeneous mixture chemically.A mixture is a physically combined substance that cannot be separated by chemical means.The compounds that are combination of one type of atom or molecule can only be separated chemically. For example in a sugar solution there is no means we can separate sugar and water chemically.
Please Help I'll give brainliest!!!!!!!!!!
How do Global Positioning Systems use elevation points on Earth's system to find latitude and longitude?
Is it better for a cell to have a large surface area to volume ratio or a small surface area to volume ratio.
A) Small: Because the cell has more contact with its surroundings.
B) Small: Because a cell with more volume has more space for its organelles.
C) Large: Because the cell has less contact with it surroundings.
D) Large: Because the cell has more contact with its surroundings and can better take in nutrients.
When a material changes size as a temperature changes, it is called _____
Final answer:
Thermal expansion is the term used to describe the change in size of a material due to temperature changes. It happens because of the increase or decrease in the kinetic energy of particles within the material. As temperature rises, substances expand in length, area, and volume, while they contract when cooled.
Explanation:
When a material changes size as a temperature changes, it is called thermal expansion. Thermal expansion is the increase, or decrease, of the size (length, area, or volume) of a body due to a change in temperature. For most substances, an increase in temperature usually results in an expansion, while a decrease in temperature can cause a contraction. This property is significant because it affects various applications and structural designs, such as bridges and railroads which have expansion joints allowing them to freely expand and contract with temperature changes.
The fundamental cause of thermal expansion is the increase in the kinetic energy of the atoms or molecules within a substance as the temperature rises. As materials are heated, they tend to expand in all dimensions; their lengths, areas, and volumes increase. This is true for solids, liquids, and gases, with gases experiencing the largest expansion relative to their size. Similarly, when the temperature drops, substances generally contract as the kinetic energy of their particles decreases.
The chromosomes in the nucleus of a cell contain a code that stores hereditary material known as?
A/An _______ is characteristic of children at age five.
A. choice of same-sex playmates B. understanding of the ramifications of one's actions C. desire to play with children of different ages D. awkwardness with emerging motor skills
Are all the cells in the your body identical?
PLS HELP ASAP!!
In which environment would someone most likely find a living protist?
A on the outer layer of human skin
B inside a layer of rock
D underneath sand
C in a drop of lake water
Carrier is a person who has which of the following?
A. One recessive and one dominant trait
B. Two recessive alleles for a trait
C. Two dominant alleles for a trait
D. More than two alleles for a trait
Plz hurry I need two turn this in tonight
cells are the basic __________of our bodies.
What makes speed a compound unit is that it includes units for _____ and _____.
A. velocity; time
B. distance; time
C. distance; velocity
D. velocity; acceleration
Answer:
the answer is B
Explanation:
Speed is in fact the the distance that something travels in time. Think about it, it makes sense, doesn't it? Speed is the amount of distance something achieves in a set amount of time.