Answer:
splits into two or more genetically distinct descendant populations
Explanation:
New species form by speciation, in which an ancestral population splits into two or more genetically distinct descendant populations. Speciation involves reproductive isolation of groups within the original population and accumulation of genetic differences between the two groups
PLEASE IN DESPERATE NEED OF HELP!
Cell Division Virtual Lab Activity
Instructions: The Virtual Cell Division Lab is on the lesson assessment page. On the image, it says “Click Anywhere to Start.” Follow the instructions as you move through the lab. The lab activity will keep count of your data on the right, and you can record this into the data table.
Title: Cell cycle
Objective(s):
Hypothesis:
Variables:
Data:
Record the number of cells you observed in the lab activity.
Stages
Number of Cells
Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis
Observations:
Record any observations about the cells you observed. What does the cell look like for each stage? What is a distinguishing visible feature of each stage of the cell cycle?
Stages
Description of Cell
Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis
Data Analysis:
Part 1: Calculate the percentage of the cell cycle spent in each stage. Number of cells in given stage ÷ total number of cells counted × 100 = % of the cell cycle spent in this stage
Part 2: Using your percentages in part 1, create a graph that represents the time spent in each stage of the cell cycle.
Insert Chart [Hint: don’t forget to consider the relationship between your data and the type of chart to best represent your data]
Conclusion:
Be sure to answer the following reflection questions as a summary in the conclusion of your lab report:
Was your hypothesis correct? Why or why not? Be sure to include evidence from the data you collected to support your conclusion.
Based on your data, what can you infer about the length of time spent in each stage of the cell cycle?
What stages were the longest and shortest? Give a brief explanation of why these stages may have that time period.
Questions:
Using what you have learned in the lesson and the virtual lab activity, answer the following questions in complete sentences.
What differences can you see when you compare the nucleus of a dividing cell with that of a non-dividing cell?
If your observation had not been restricted to the tip of the onion root, how would the results be different?
The distinguishing visible features of each stage of the cell cycle include chromosome condensation, mitotic spindle, equatorial plate and formation of two cells.
What is the cell cycle?The cell cycle is a series of well-defined steps in the life of a cell that begins with cell growth and end with its division.
The cell division has a series of steps that may be classified according to the phenomena that occur in these phases.
For example, chromosomes condense during the first stage of cell division (prophase), where they migrate to the equatorial plate at metaphase.
In conclusion, the distinguishing visible features of each stage of the cell cycle include chromosome condensation, mitotic spindle, equatorial plate and formation of two cells.
Learn more about the cell cycle here:
https://brainly.com/question/8283140
#SPJ1
Which statement best explains why these siblings are genetically different from each other?
Answer:
Only one chromosome from each pair randomly passed to the s*x cells during meiosis and leads to differences between the siblings.
can someone pls help me
Answer:
16. mitochondria
17. lysosomes
18. smooth Endoplasmic Reticulum
19. golgi body
20. golgi complex
Explanation:
16. Mitochondria are double membrane-bound cell organelles responsible for the supply and storage of energy for the cell
17. While cells mainly use lysosomes to dispose of trash. Sometimes they simply hang onto their trash, performing the cellular equivalent of sweeping it under the rug
18. Are the storage organelle, associated with the production of lipids, steroids, and also responsible for detoxifying the cell.
19. The Golgi body is the sorting organelle of the cell. Proteins are transported from the rough endoplasmic reticulum (RER) to the Golgi.
20. is responsible for sorting and correctly shipping the proteins produce the ER. Just like our postal packages, which should have a correct shipping address, the proteins produced in the ER should be correctly sent to their respective address. It is a very important step in protein synthesis.
__________________________________________________________
Hope this helps!!
If I am wrong, please tell me, I enjoy learning from my mistakes:)
Can someone please help me with this asap it would mean a lot
Answer:
Explanation:
minerals cannot be gas or liquids. last one “They can be liquid, solid, or gas. “
What 3 factors influence the rate of photosynthesis?
how did the invention of the microscope contribute to our understanding of the cells?
Answer:
With the development and improvement of the light microscope, the theory created by Sir Robert Hooke that organisms would be made of cells was confirmed as scientist were able to actually see cells in tissues placed under the microscope.
Explanation:
explain why a leaf cannot be tested for starch by adding iodine solution directly
answer.
waxy cuticle covering the leaves that prevents the penetration of iodine in the leave cells.
Summary about DNA , Genes , Traits , Chromosomes. (Explain & let me know about all 4 words. Summarize all these words.) Write about how all 4 things work together.
Answer:
Genes are segments of DNA that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus. And a trait is a gene-determined characteristic.
Which substance cannot be broken down into simpler substances?
Answer:
A Elements
Explanation:
Elements are pure substances that cannot be broken down into simpler substances by ordinary chemical means.
Earthquake and faults
Answer:
Hey mate.....
Explanation:
This is ur answer.....
Earthquakes occur on faults. A fault is a thin zone of crushed rock separating blocks of the earth's crust. When an earthquake occurs on one of these faults, the rock on one side of the fault slips with respect to the other. The fault surface can be vertical, horizontal, or at some angle to the surface of the earth.
Hope it helps!
Brainliest pls!
Follow me! :)
what would do the most to reduce indoor air pollution in the developing world?
Answer:What would do the most to reduce indoor air pollution in the developing world? Using solar energy to cook and heat homes. Millions of people in the developing
Explanation:
your welcome
A student observes the night sky in July with a telescope. The student does not see the constellation Canis Major.
Why is Canis Major missing from the night sky in July?
Canis Major moves around Earth.
Canis Major moves around Earth.
Canis Major moves around the Sun.
Canis Major moves around the Sun.
Earth rotates on its axis, and the Moon blocks Canis Major.
Earth rotates on its axis, and the Moon blocks Canis Major.
Earth orbits the Sun, and the Sun blocks Canis Major.
Answer:
You can only see it in December through March
Explanation:
The Canis Major can only be seen during the Winter season.
A fingerprint is visualized on a soda can using superglue. What type of fingerprint is this?
A) bifurcation
B) latent
C) patent
D) plastic
Fingerprints in modern times are now used in detecting criminals from crime scenes. Fingerprints derived from these crime scenes can be obtained and visualized.
The type of fingerprint this is is a latent fingerprint.
Latent fingerprints can also be referred to as invisible type of fingerprints.To enable their use, they must be visualized through the use of various techniques which include dusting/iodine/super glue. Latent fingerprints are the most common type of fingerprints usually found at a crime scene. They are also much harder to detect and lift than any other type of fingerprints.Learn more about fingerprints: https://brainly.com/question/2114460
11.A tomato plant has 12 chromosomes in each egg/sperm cell. How many chromosomes do each
of their somatic cells have?
Answer:
12 chromosomes
Explanation:
hope its attachments
what is it called when they check cells for cancer
Answer:
screening
Explanation:
Organ system:Put the following in order from smallest to largest:
Cells
Organs
Tissues
Cells, tissues, organs
Answer:
Cell, Tissue, Organ
Explanation:
A community in which populations of plants and animals remain stable and exist in
balance with each other and the environment
Answer:
ecological community
Explanation:
A climax community is the final stage of succesion
what specific parts of the brain have been affected by the injury so as to cause the muscle weakness and language problems?
what process can lead to an individual having too many or two few chromosomes?
The process which can lead to an individual having too many or two few
chromosome is as a result of mutation which occurs during meiosis.
Meiosis is the type of cell division which occurs in reproduction and the
production of sex cells such as sperm and egg. This process results in the
production of four unique daughter cells.
The homologous chromosomes not being properly distributed in the
process could lead to such types of error.
Read more about Mutation here https://brainly.com/question/17031191
27. A form of energy is stored in the bonds
between atoms, What is the name for
this stored energy?
A kinetic energy
B chemical energy
C electrical energy
D electromagnetic energy
A form of energy that is stored in the bonds between atoms of a chemical element is referred to as: B. chemical energy.
A chemical energy can be defined as a form of energy that is stored within the forces of attraction (bonds) that are existing between ions, crystals, atoms or molecules.
In Chemistry, bond energy refers to the amount of chemical energy that is required to break one (1) mole of a particular chemical bond. Also, bond energy is measured in kJ/mol.
In conclusion, a form of energy that is stored in the bonds between atoms of a chemical element typically is referred to as chemical energy.
Read more on chemical energy here: https://brainly.com/question/5650115
Which of the following statements does NOT describe a river delta?
A. sediment that builds up where a river meets a larger body of water
B. some are muddy and unstable; others are so big crops can grow on them
C. earth scooped out that can form a lake or deep valley
D.where a flowing river empties its load at the mouth of a river
Answer:
C: Earth scooped out that can form a lake or deep valley
Answer:
letter C po Ang answer
Explanation:
please rate brain less
how can carbon dioxide limit the rate of photosynthesis
Answer:
An increased level of carbon dioxide leads to a higher rate of photosynthesis when compared to the lower carbon dioxide level. This shows that the carbon dioxide level has an effect and is now limiting the rate of photosynthesis.
Explanation:
What molecules diffuse through the cell membrane without the use of energy and are required as reactants in photosynthesis?
A.glucose and oxygen
B.water and oxygen
C.glucose and carbon dioxide
D.water and carbon dioxide
Answer:
c
Explanation:
If the substances can move across the cell membrane without the cell expending energy, the movement of molecules is called passive transport. Consider substances that can easily diffuse through the lipid bilayer of the cell membrane, such as the gases oxygen (O 2) and carbon dioxide (CO 2)
If ATP production is blocked, decreased transport of material across a membrane occurs. Which type of transport would be affected
Answer: Active transport
Explanation:
This transports requires ATP because the material would be going against the gradient (Low to high concentration). Since this is not the "normal" tranportation (High to Low concentration) it therefore needs ATP. Without ATP it cannot do it's transportation.
69. Plants transform energy from the sun
into
A nuclear energy
B chemical energy.
C visible light.
D steam.
Answer:
B. chemical energy
Explanation:
Hello! I need help pls
Answer:
I believe it's c hope this helps and I'm sorry if it's wrong
Explanation:
what are regenerative cells ???
Regenerative cells are specific types of cells that can be activated in order to restore organs and tissues back to a pre-existing normal state.
Stem cells are specific cells capable of generating new specialized types of cells, thereby allowing the regeneration of damaged tissues.For example, hematopoietic stem cells can be used to generate new red blood cells whose function is to transport oxygen in the bloodstream.Regenerative cells can be used in tissue engineering in order to restore the function and structure of damaged organs.In conclusion, regenerative cells are specific types of cells that can be activated in order to restore organs and tissues back to a pre-existing normal state.
Learn more about regenerative cells here:
https://brainly.com/question/1040803
what organelle acts like a whip to move the entire cell
Answer: Flagella
Flagella are longer, whiplike projections that propel cells. Both cilia and flagella are composed of microtubules. They move cells through their watery environments. Cilia also move substances along the surface of the cell.
why does exposure to high temperatures cause an enzyme to lose its biological properties?
Answer:
Shape of active site changes that's why
Enzymes are affected by temperature. So, as temperature increases, enzymes activities also increases, till optimum temperature is reached. If it goes above the optimum temp, the enzymes becomes denatured or can't function anymore due to change in its active site.
PLLLSSSS HELP Stomach acid secretion of HCl is enhanced by all of these except
Group of answer choices
B. presence of aceylcholine
D. presence of gastrin
A. presence of fats in the duodenum
C. presence of histamine
Answer:
D. presence of gastrin
Explanation:
correct