Answer:''For stars, almost all apparent motion comes from reflex motion, because they are so far away that their intrinsic motion appears very small. For planets, apparent motion in the sky comes from a combination of their intrinsic motion (around the Sun) and their refle
Explanation:
what is the purpose of the cell cycle and what happens when the process involved awry?
A. Cell division or mitosis is part of the cell cycle and cells undergoing mitosis in multicellular organisms are used for development, growth and repair
B. Apatosis genes encourage cell division, while tumor suppressor genes inhibit cell division.
C. Cell communication keeps the cell cycle in check because errors during the cell cycle can have negative results for the organism such as the development of cancer.
D. Tumor suppressor genes encode proteins that serve as a brake on cell growth and are routinely activated at checkpoint D.
E. if a cell receives restrictions from the G1 checkpoint and cannot continue into the next phase, the cell can enter the G0 (resting stage) until conditions can improve
F. Cyclin dependent kinases (Cdk) are protains that work right cyclin regulatory proteins and are associated with different checkpoints of the cell cycle.
(im sorry for the photo, that's the only thing I could do)
Answer:
A and E
Explanation:
The cell cycle is important because. during the process, cell division in the form of mitosis takes place. The division of cells is important for an organism's growth, development, and repair.
The cycle has different checkpoints in which things are monitored in order to ensure that it is error-free. The checkpoints include G1, G2, and M checkpoints. If things go awry at any part of the cell cycle, the cell either cease dividing and enters a resting (G0) or tries to fix the issue before proceeding.
The correct options are A and E.
The purpose of the cell cycle and what happens when the process involved awry - option A, C, E, F.
The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication of its DNA to produce two daughter cells
mitosis is part of the cell cycle and cells undergoing mitosis in multicellular organisms are used for development, growth and repair The G1 checkpoint takes into consideration that whether all the conditions are suitable for the cell division to advance. In the G1 checkpoint, the cell, which does not qualify all the requirements, will not be permitted to advance into the S phase.CDKs are proteins that play important roles in the control of cell division and modulate transcription with association with different checkpoints of the cell cycle.Thus, the purpose of the cell cycle and what happens when the process involved awry - option A, C, E, F.
Learn more:
https://brainly.com/question/20140898
Are the following populations likely to be undergoing evolution? Read the description of the population and select yes or no from the drop-down menu. A laboratory population of beetles is kept under conditions ideally suited for that species. All the beetles' needs are met. The space is very large, but contained.
Yes or No
Answer: No
Explanation:
hope this helps !!
Answer:
The answer is NO,
the next answer is YES
Explanation:
I did it 0,0
In order for two new cells to be created during mitosis, each cell must receive an identical copy of DNA. In order to accomplish this task efficiently prior to mitosis, a cell will condense DNA into
Answer:
chromosomes
Explanation:
A cell must condense DNA into chromosomes before it can divide mitotically to form two new cells with identical copies of DNA.
The condensation of the DNA happens at the initial phase of the mitosis - the prophase - during which the DNA thickens and condenses to form chromosomes.
These chromosomes then align at the cell's plate during metaphase and they become separated into sister chromatids through the pulling of the spindle fiber at anaphase. Separated chromatids of the same chromosome are then transported to the opposite ends of the cell where they decondense before cytokinesis takes place.
What is kinetic energy and how is kinetic energy related to the temperature of a substance?
Answer:
Kinetic energy is a property of a moving object or particle and depends not only on its motion but also on its mass. The temperature of gases is proportional to the average translational kinetic energy of atoms and molecules. The motion of individual molecules in a gas is random in magnitude and direction.
Explain what ATP is and how energy is stored/released by this molecule.
Need help now please
The ATP molecule can store energy in the form of a high energy phosphate bond joining the terminal phosphate group to the rest of the molecule. In this form, energy can be stored at one location, then moved from one part of the cell to another, where it can be released to drive other biochemical reactions.
After reading the prompt, your teacher has asked you to predict the
effects of the disappearance of snow and ice on this rabbit population
for the future. Which graph BEST represents the correct prediction?
Answer:
I am not 100% sure but try B
Explanation:
The effect of the disappearance of ice and snow on the rabbit population in Northern Canada white rabbit population is higher, hence option b is correct.
How rabbit population changes?Due to the fact that both white and brown rabbits have an equal chance of surviving throughout the year, the population of rabbits is in genetic equilibrium.
While white rabbits stand out and are more likely to be eaten during the summer, brown rabbits are more conspicuous throughout the winter and are more likely to be eaten by predators.
Therefore, in the graph rabbit population for the future is predicted due to snow and ice disappearance and in Northern Canada, white rabbit population is higher in number, hence option b is correct.
Learn more about rabbit, here:
https://brainly.com/question/3145421
#SPJ2
Which statement about DNA is NOT correct?
O DNA is found in the nucleus of eukaryotes
O DNA is single stranded
O Deoxyribose is the sugar in DNA
o there are two single ring nitrogen bases in DNA
Answer:
B (2nd Option): DNA is single-stranded
Explanation:
A is correct: DNA is indeed found in the nucleus of eukaryotes.
B is incorrect: Although there can be single strands of DNA (ssDNA), DNA is usually double-stranded which is how it forms its characteristic double-helix shape.
C is correct: Deoxyribose is indeed the sugar in DNA (Deoxyribonucleic Acid)
D is correct: The two single ringed nitrogenous bases in DNA are thymine and cytosine, while the other two (Adenine and Guanine are double ringed.
Hope this helped!
In shorthorn cattle, when a red bull (RR) is crossed with a white cow (WW), all the offspring are roan—a spotted, red and white color. What offspring are expected from mating a roan bull and a roan cow?
Answer:
25% red
50% roan
25% white
Explanation:
When RR (red) is crossed with WW (white), it results in roan color.
RR (red) x WW (white)
RW (roan)
Two roan individuals are then mated.
RW x RW
RR RW RW WW
Offspring
1/4 RR - Red
1/2 RW - Roan
1/4 WW - White
Hence, the offspring are expected to be 25% red, 50% roan, and 25% white.
Which of the following is not a greenhouse gas?
A. Carbon Dioxide
B. Methane
C. Water Vapor
D. Nitrogen
Answer:A
Explanation:
The main difference between the four nucleotides that make up DNA is that they have different
sugars.
uracil.
bonds.
bases.
Answer: the answer is sugars
Explanation:
The basic building block of DNA is called a NUCLEOTIDE. A nucleotide is made up of one sugar molecule, one phosphate molecule and one of the four bases. Note that the purine bases (adenine and guanine) have a double ring structure while the pyrimidine bases (thymine and cytosine) have only a single ring.
A model of a biological process is shown. What is the purpose of this process?
In the given model, the process of translation is described. It is done to translate the genetic code into a particular sequence of amino acids.
What is translation?It is the process in molecular biology, in which ribosomes in the cytoplasm or endoplasmic reticulum produces proteins post the process of transcription of DNA to RNA.
It is the process of converting the sequence of a molecule of messenger RNA to the amino acids sequence at the time of the synthesis of protein. The genetic code illustrates the association between the sequence of base pairs in a gene and the sequence of corresponding amino acid, which it encodes.
Thus, the correct statement is the last one, that is, to translate the genetic code into a particular amino acid sequence.
Find out more information about translation here:
https://brainly.com/question/13948077
Examine the diagram of a cell.
Which accurately labels the Golgi body?
W
X
Y
Z
Explanation:
the answer is letter x but I t may be wrong because I think its the red one but its not an option
PLEASE HELP WILL GIVE BRAINLIEST!
You Have To Match Them To The Areas!
Answer:
This is an animal cell
1st blank box= Vacuoles store nutrients for the cell water, food, and waste.
2nd blank box=cell membrane Controls the subtances that enter and leave the cell the cell
3r box= Nucleus controls most cell processes and chemical reactions within the cell and dna
4th box= cytoplasm Acts as a cushion or shock absorber for other cell organelles
5th box= Mitochondria breaks down cellular food to break down to provide energy
What are 2 ways carbon can get from the ocean to the lithosphere?
[And i would appreciate some short simplified answers just to make its easier for myself]
Where and how do the high concentration H+ ions get out of the thylakoid?
Answer: here's what I could find on it:
- Energy travels through the electron transport chain, which pumps hydrogen ions into the thylakoid space.
- The concentration of H+ ions is higher inside the thylakoid than it is outside. the ions flow through the channel by diffusion.
Explanation: sorry if that's not what you need.
The hydrogen ions are allowed to pass through the thylakoid membrane of the chloroplast through an embedded protein complex called the ATP synthase.
What is the ATP synthase?ATP synthase is a protein complex which is made up of various enzymes which catalyzes the formation of the energy storage molecules such as ATP (Adenosine triphosphate) using ADP (adenosine diphosphate) and Pi (inorganic phosphate). It is classified under the ligase class of enzyme as it changes ADP molecule by the formation of P-O bonds.
ATP synthase requires energy to form energy storing molecules such as ATP, from adenosine diphosphate (ADP) and inorganic phosphate (Pi). Because of this, ATP synthesis is coupled with the cellular respiration of the mitochondria and electrochemical gradient which is created by the difference in proton (H⁺) concentration across the mitochondrial membrane during the electron transport through the electron transport chain (ETC). In plants, proton gradient is formed in the chloroplast, in the thylakoid lumen and through the thylakoid membrane.
Learn more about ATP synthase here:
https://brainly.com/question/12454295
#SPJ2
helppp please , I’ll give brainliest
Answer:
b~~~~~~~~~~~~~~~~~~
What happens after RNA is produced?
1. A protein is assembled by
attaching amino acids together, based on the RNA codons.
2. The RNA strand is converted back into DNA so the cell is ready for the next cell division.
3. The cell divides creating the sex cells (egg or sperm) for reproduction.
Answer:
It should be 1 if I am right
Explanation:
HELPPPP PLEASEEE 100 POINTS
does aerobic and anaerobic respiration have the same number of carbons, hydrogens and oxygens? Explain.
The fundamental difference between aerobic and anaerobic respiration is the usage of oxygen in the process of cellular respiration. Aerobic respiration, as the name suggests, is the process of producing the energy required by cells using oxygen. The by-product of this process produces carbon dioxide along with ATP – the energy currency of the cells. Anaerobic respiration is similar to aerobic respiration.
25 POINTS- I really need this asap
Plants perform photosynthesis to create their own food source and use cellular respiration to unlock the energy from that food. In 3-5 sentences, argue which one of these two processes is used at certain times of day by plants. Specifically, which process is used during bright daylight hours, which process is used at night, and which process is used during early morning and late evening low-light hours? Why do you think this is the case?
Answer:
What is photosynthesis?
Photosynthesis is a chemical process through which plants produce glucose and oxygen from carbon dioxide and water, using only light as a source of energy.
Process of photosynthesis
1. Chlorophyll absorbs the sun's energy.
2. It is this energy that is used to split water molecules into hydrogen and oxygen.
3. Xylem which is found in the stem, allows water to go up the roots and into the plants.
4. Carbon dioxide enters the plant through the stomata, which are pores that allow for the exchange of gases
5. Carbon dioxide and water reach the chloroplast
6. Water and carbon dioxide are used to form glucose and oxygen for plants.
7. Glucose is converted into a starch and stored for food
How does a plant release oxygen from photosynthesis?
They release CO2 (just like us, when we breathe). But, when plants are photosynthesizing, they release more O2 during photosynthesis than they will consume in respiration. They release the oxygen through the same pores (stomata) that allow the CO2 to enter their leaf cells.
Myosin is plentiful in muscle cells, but is not found at all in lens cells. Lens cells contain large amounts of crystallins, which are not found in muscle cells. Why do some proteins appear in one type of cell but not in another?
I WILL MARK BRAINLIEST + 20 POINTS
Answer:the answer would be the 4th one
Explanation:
The surroundings where a particular species lives is known as its
Gus drew a diagram to compare marsupial and placental mammals. Which label belongs in the area marked Y? have a two-week gestation period young develop inside body sometimes lay eggs are endotherms
Answer:
i believe the answer is B, young develops inside body
Explanation:
both placental and marsupial mammals give birth to live animals
Answer:
A) have a two-week gestation period
Explanation:
This was right on edge nuity
I hope this helps
(pls mark brainliest)
Osmosis, diffusion and facilitated diffusion are all examples of
1. Active transport
2. Passive transport
3. Photosynthesis
3. Asexual reproduction
Answer:
2. Passive Transport
Explanation:
In passive transport, molecules are going down their concentration gradient with no energy involved. In osmosis, water molecules move from a higher to lower concentration. In facilitated diffusion, molecules go from higher to a lower concentration through a transport protein.
Which of the following genetic abbreviations denotes a male human? help please
a) 23,XX. c) 23, XY
b) 46, XX d) 46, XY
Answer:
Answer is Option D - XY.
Explanation:
A typical human diploid cell contains 46 chromosomes, or 23 pairs: Two of the 46 are the sex chromosomes that determine an individual's sex: XX = female and XY = male.
Patients with a genetic condition known as cystic fibrosis struggle with symptoms such as lung and digestive problems. At the cellular level, the cells of patients with the disease do not transport water or other materials out of the cell efficiently. Therefore, patients’ cells have a build up of water and other substances inside the cell. Which of the following best describes how cystic fibrosis impacts cells?
Answer:
One pair of chromosomes includes a gene called the cystic fibrosis transmembrane conductance regulator (CFTR) gene. This gene is large and complex — in fact, more than 1,000 different CF-related mutations have been identified.
In most people, the CFTR gene helps regulate the flow of salt and fluid in and out of cells. But if there is a mutation in this gene, chloride, a component of salt, gets stuck inside the cells and a thick, sticky mucus starts to build up inside the body.
Explanation:
Which shows the correct order of processes for fungi to reproduce sexually?
A genetically unique fungus is produced, a spore forms, and hyphae exchange genetic material.
A spore forms, a genetically unique fungus is produced, and hyphae exchange genetic material.
Hyphae exchange genetic material, a spore forms, and a genetically unique fungus is produced.
A spore forms, hyphae exchange genetic material, and a genetically unique fungus is produced.
The statement 'hyphae exchange genetic material, a spore forms, and a genetically unique fungus is produced' shows the correct order for fungi to reproduce se_xually.
What is a fungus?A fungus is a multicellular eukaryotic organism that can reproduce by both se_xually and ase_xually modes of reproduction.
A hypha is a filamentous structure found in a fungus, which represents a type of ase_xual reproduction.In conclusion, the statement 'hyphae exchange genetic material, a spore forms, and a genetically unique fungus is produced' shows the correct order for fungi to reproduce se_xually.
Learn more about fungi reproduction here:
https://brainly.com/question/15518101
#SPJ2
Answer:
C.
Explanation:
ik im late but whatver
What would most likely happen to plant cells if the plant was watered with salty water?
Answer: it will wilt and will eventually die.
Explanation:
What are the parts of an atom and their characteristics?
Answer:
An atom has all of the characteristics of an element, parts are neutrons, protons, electrons
Can somebody please help? It’s multiple choice.
Answer:
A. Blood pH will decrease slightly.
Explanation:
