Answer:
option A is the right answer
hope this helped you
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Meiosis is a type of cell division that occurs in cells and this division results in a reduction in the number of parent cells by half.
A parent cell with 23 pairs of chromosomes (46 chromosomes) undergoing meiosis will result in the production of 4 cells each with 23 single chromosomes.
In meiosis, a beginning cell with 23 pairs of chromosomes (after duplication) will go through the first division separating all homologous chromosomes and giving rise to two cells with 23 chromosomes each with its own two sister chromatids.
During the second division, each of the two daughter cells produced divides and the chromosomes separate at the centromeres, with each chromatid moving to opposite pole, so four daughter cells is produced and contains 23 single chromatids/chromosomes.
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___are a major component of the membrane of
all cells.
Answer:
Proteins and lipids are the major components of the cell membrane.
Explanation:
Depending on the membrane’s location and role in the body, lipids can make up anywhere from 20 to 80 percent of the membrane, with the remainder being proteins. While lipids help to give membranes their flexibility, proteins monitor and maintain the cell's chemical climate and assist in the transfer of molecules across the membrane.
what is the source of the carbon dioxide as a reactant in photosynthesis
Answer:
During the process of photosynthesis plants break apart the reactants of carbon dioxide and water and recombine them to produce oxygen.
Question 5
Ultraviolet (UV) radiation can damage DNA by breaking weak bonds. Which of the following best explains how this occurs?
A
UV radiation disrupts the double helix structure by breaking the covalent bonds between the nitrogenous base pairs,
B
UV radiation disrupts the double helix structure to breaking the hydrogen bonds between the nitrogenous base pairs.
С
UV radiation is able to break DNA strands in two by breaking covalent bonds between the sugar phosphate backbone molecules
D
UV radiation is able to break DNA strands in two by breaking hydrogen bonds between the sugar phosphate bachoone molecules
UV radiation disrupts the double helix structure to breaking the hydrogen bonds between the nitrogenous base pairs.
WHAT IS DNA?
DNA, known as deoxyribonucleic acid, is one of the two types of nucleic acids. It is a long double helical structure found in the nucleus of cells.STRUCTURE OF THE DNA:
The DNA is made up of nucleotides. Each nucleotide consists of three components namely: phosphate group, nitrogenous bases and a pentose sugar. In the DNA molecule, the four nitrogenous bases are Adenine, Cytosine, Guanine and Thymine. Adenine and Thymine bonds together while Cytosine and Guanine bonds together. Weak hydrogen bonds holds one nitrogenous base to its complementary base.Therefore, an ultraviolet radiation can damage the DNA structure by breaking the hydrogen bonds between the nitrogenous base pairs.
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What happens when a wave enters a different material and slows down?
Answer:
It becomes flat or calm. when a wave slows down its usually because theres low wind, or none at all.
Answer:
Slows down or turns into refraction
Explanation:
A_P_E_X
Conduct additional research on the use of triclosan and other chemical agents in antimicrobial products today. Develop an opinion on whether this process should continue, providing evidence to support your stance.
Answer:
Triclosan was popularly utilized as biocide generally in present modern items like oral, cosmetics, and dermal items this expanded utilization causes microbial resistance among intestinal, dermal, and ecological generally E.coli and Salmonella enterica.
This microbial resistance happens because of moving out of metabolites, target modification or alteration, development of Biofilm, and bypass of metabolic blockage in the bacterial cells additionally acquires opposition against triclosan.
This causes serious endless supply of the items and prompts utilization of these biocides and ineffective.This is expected to acquiring cross resistance or co-resistance from the antimicrobial.
Where does a zygote implant after fertilization?
Fallopian tube
Vagina
Uterus
Ovary
Answer:
Fallopian tube
Explanation:
Once fertilization takes place, this newly fertilized cell is called a zygote. From here, the zygote will move down the Fallopian tube and into the uterus. The zygote then burrows into the uterus lining. This is called implantation.
Answer:
The Uterus is the correct answer. C.
Explanation:
I took the test and got it right
what essential characteristics does a good experiment have?
A. control group is given the experimental treatment.
B. a single variable is tested
C. a control is used
D. both B and C
Answer:
Answer is both b and c
Explanation:
Good experiments have two essential characteristics: a single variable is tested, and a control is used. The variable is the factor that changes in an experiment in order to test a hypothesis.
Answer:
D. both B and C
Explanation:
The control group is not to be altered as to have true results for comparison/differentiation.
4. In biology making the next generation is known as
Answer: Reproduction. One must reproduce in order to continue the generational line.
Answer:
The answer to this is inbreeding I know this becasue im in biology rn and we just talked about it a few days ago. Hope this helps.
Explanation:
Hand signals of the 8 Essential life Functions
1.
When the level of sugar in the blood is too high the excess sugar is stored in the
muscle to be used later as needed. Which characteristic of life is described here?
A. Ability to evolve
B. Use of energy
C. Maintaining an internal balance
D. Response to environment
Why are answer choice B is incorrect? Include in your response an explanation or
example of the incorrect choices. *
Your answer
Answer:
B
Explanation:
The characteristic of life is described in order to make reference that the glucose is stored in the muscle to be used later is MAINTAINING an internal balance (Option C).
Homeostasis refers to the functions of the body that work to maintain internal environmental conditions relatively constant.Insulin and glucagon are fundamental hormones that help to control sugar levels in the blood and thus maintain this homeostatic state.In muscle, glucose (sugar) is stored as glycogen.Glycogen is a polysaccharide composed of many subunits (monomers) of glucose.
In conclusion, the characteristic of life is described in order to make reference that the glucose is stored in the muscle to be used later is MAINTAINING an internal balance (Option C).
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true or false: a hypothesis must start with i think
thx
sakuracherry
Answer:
False
Explanation:
The hypothsis doesnt always have to start with i think.
the star day is shorter than the sun day by how many minutes?
Answer:
4 minutes
I hope this helps!
Which structure is found in some but not all plant cells?
vacuole
ribosome
cell wall
lysosome
Answer:
ribosome
hope this helped:)
Answer:
B-ribosome
Explanation:
Sort the words and phrases into those that describe the inner planets and those that describe the outer planets.
gaseous
Inner Planets
Outer Planets
rocky
small
few moons
rings
many moons
Gaseous
Low revolution
Fast revolution
Slow rotation
Large
No rings
Fast rotation
slow revolution
fast revolution
clowntotinn
Answer:
Inner planets > small, no rings, fast revolution, few moons, slow rotation, rocky
Outer planets > large, slow revolution, rings, many moons, fast rotation, gaseous.
Explanation:
Answer:
Inner planets > small, no rings, fast revolution, few moons, slow rotation, rocky
Outer planets > large, slow revolution, rings, many moons, fast rotation, gaseous.
Explanation:
Hysterically Synonyms and Antonym meaning
Synonyms for "hysterically" include:
FranticallyWildlyManicallyMadlyFrenziedlyUncontrollablyChaoticallyAntonyms for "hysterically" include:
CalmlySerenelyComposedlyTranquillyRationallyStoicallyPeacefullySynonyms are words or phrases that denote the same thing in a similar way as another word or words. They are often employed to diversify writing or to use different words to communicate a notion or idea. Antonyms are words that have the exact opposite meaning of another word. They provide contrast or convey the opposite meaning of a word.
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State the basic assumptions of the kinetic theory
Answer:
Gases
Explanation: The simplest kinetic model is based on the assumptions that: (1) the gas is composed of a large number of identical molecules moving in random directions, separated by distances that are large compared with their size; (2) the molecules undergo perfectly elastic collisions (no energy loss) with each other and with the ...
What makes up an organism?
A. tissue
B. cells
C. limbs
D. organs
Answer:
D
Cell, tissues, organelles, organ system, organs , organism
Do autotrophs need to carry out cellular respiration? Why or why not?
Answer:
Yes, autotrophs need to carry out cellular respiration.
Explanation:
Autotrophs make their own food. ... Many autotrophs make food through the process of photosynthesis, in which light energy from the sun is changed to chemical energy that is stored in glucose. All organisms use cellular respiration to break down glucose, release its energy.
three advantages of Biodiversity in an ecosystem?
Which organisms obtain energy from dead or decaying matter? Check all that apply. groundhogs.
daisies
earthworms
bacteria
humans
phytoplankton
Answer:
The correct answer is Earthworms, and Bacteria.
Hope this helps :)
Explanation:
I just took the test on edge.
Decomposers are the organisms which feeds on dead and decaying matter. Earthworm and bacteria are included under decomposers.
What are Decomposers?Organisms that feeds on dead or decaying organisms and return organic material again to ecological cycle.
These are also called as detritivores. If decomposers gets vanished from ecology then it will result in stopped recycling of carbon and hence affect percentage of carbon dioxide in environment.
Some organisms that comes under this category are bacteria, earthworm, fungi, invertebrates, some insects etc.
Thus, the correct options are b and c.
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Something that controls the growth or size of a population is
a
Ob
Ос
Od
a growth facar.
a limiting factor.
the growth rate.
the carrying capacity.
Answer:
Limiting factor
Explanation:
In order to control the growth of the population you use Limiting factor
3. What kind of symmetry does the right triangle have
Answer:
rotational symmetry
Explanation:
About how much energy’s lost when an organism consumes another organism from a different trophic level?
Answer:
10 percent of energy is transferred to the next level of organisms so that would lead me to believe that 90 percent of the energy is lost.
Directions: State a SCALE for each of the data tables.
The SCALE is how much you are going to go up
in numbers for each interval (example 5 s, 10 s, 20 s ...etc)
#1
Length in meters
3
14
22
29
Age of Whale in years
1
2.
3
4
SCALE
MORE on the next page.
#2
Number of bacteria
320
Time Lapsed (min)
100
120
NEED HELP DUE TODAY PLZ HELP ME!!!!
I AM STUCK PLZ PLZ PLZ HELP ME!!!!
In the cell above, a mutation occurs and causes the proteins responsible for photosynthesis to malfunction.
Which labeled structure would be the most likely site in which these malfunctioning proteins exist?
Choose 1 answer:
(Choice A)
A
Structure A
(Choice B)
B
Structure B
(Choice C)
C
Structure C
(Choice D)
D
None of these labeled structures would be the site of the malfunctioning proteins.
Answer:
Structure A
Explanation:
Malfunction proteins happen when it changes the instructions for a gene to make a protein. This change or "malfunction" can disrupt any protein and cause not to work at all. When in a mutation occurs and changes the protein, it can change the development and cause serious medical conditions for a person.
Labels of the cell can be found here;
Structure A shows the Chloroplast.Structure B shows the Golgi ApparatusStructure C shows the Large Central Vacuole.Protein malfunction typically occurs in the Chloroplast.
A picture of a cell can be found below for extra clarification if needed.
Best of Luck!
What is the main cause of urban migration in the United States?
a. Rural communities are no longer necessary.
b. Urban dwelling provides better access to goods, services, and jobs.
c. Urban communities reduce human impact on the environment.
d. Rural communities are unable to support life in the long-term. .
Answer:
B
Explanation:
Urban dwelling provides better access to goods, services, and jobs.
Urban dwelling provides better access to goods, services, and jobs is the main cause of urban migration in the United States
What is migration ?Migration can be defined as the movement of a large number of organisms from one place to another place, there are many reasons for migration.
The term migration is used to define regular and periodic movements of the population away from or back to their place of origin, it can be up different types.
Some migration can occur for an entire lifetime and it happens to be a single migration of an individual. This is in the case for the Pacific salmon. On another hand, an individual may migrate frequently, like many of the migratory birds and other mammals.
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Describe the basic structure and functions of proteins.
Answer:
Each protein is made up of a unique number and order of amino acids. The protein that is created has a specific job to do or a specific tissue such as muscle tissue to create. The structure of amino acids is fairly simple. Each amino acid has an amino group at its core with a carboxyl group and a side chain attached.
Explanation:
Hi, Im answering this question so you can mark the other pesron who had and amazing answer branliest :)
An easy way to think of independent and dependent variables is, when you're conducting an experiment, the independent variable is what you change, and the dependent variable is what changes because of that. You can also think of the independent variable as the cause and the dependent variable as the effect. True True False
Answer:
True, True, True
Explanation:
Not exactly sure what you are asking, but I'm guessing you want confirmation.
The sun's energy comes from
a.nuclear fusion
b.radioactive decay
c.nuclear fission
d. intense heat
Answer:
A. Nuclear fusion
Explanation:
The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom.
Which one of those besides the white one is correct?
Answer:
A and C are correct
Explanation:
C is correct and since A is the exact same thing just in different words it is also correct