Answer:
1. Prokaryotes are all around us. Develop an experiment to visualize these microbes from an environmental sample.
2. Flagella are unique structures on some microbes. What role does flagella play to help microbes?
3. Eukaryotes can be found in a variety of environments. Describe at least 2 places where you might come in contact with eukaryotic microbes in nature. What makes this environment suitable for these microbes?
4. Scientists have argued for decades about whether viruses are alive. Using a pros and cons list, indicate at least 3 characteristics on both lists that support this argument.
Explanation:
Place the four images from the cell cycle in the correct chronological order. four magnified cells A. Image A, image D, image B, image C B. Image C, image D, image B, image A C. Image C, image B, image A, image D D. Image B, image C, image D, image A
Cell Division Lesson Info
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ASSESSMENT QUESTIONS:
COLLIN SAYLOR Q1 Q2 Q3 Q4 Q5 SCORE
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Questions & Answers
Place the four images from the cell cycle in the correct chronological order.
four magnified cells
A. Image A, image D, image B, image C
B. Image C, image D, image B, image A
C. Image C, image B, image A, image D
D. Image B, image C, image D, image A
Correct Answer: C. Image C, image B, image A, image D
Explanation: Image C shows the cell in interphase. The cell's DNA is in the form of chromatin. Image B shows the cell in prophase. The chromosomes have thickened and can be seen individually. Outside the nucleus, spindle fiber is beginning to form between the centrioles. Image A shows the cell in metaphase. The chromosomes have lined up along the equator of the cell and are attached to spindle fibers at their centromere. Image D shows the cell in anaphase. The individual chromatids have been drawn apart to opposite poles of the cell. This is just before the cell begins to split into two identical cells.
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During which phase does the cell actually separate into two individual daughter cells?
A. Prophase
B. Cytokinesis
C. Interphase
D. Metaphase
Correct Answer: B. Cytokinesis
Explanation: Cytokinesis is the phase during which the cytoplasm of the cell divides and the cell actually separates into two cells. The term cytokinesis actually means cutting (kinesis) of the cytoplasm.
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If your were to examine a sample of 1000 cells, in which of the phases listed below would you expect to find most of the cells?
A. Interphase
B. Metaphase
C. Anaphase
D. Telophase
Correct Answer: A. Interphase
Explanation: Most cells spend about 90% of their life cycle in interphase. Therefore, if you were to examine a random sample of cells, most of them would be found to be in interphase.
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Upon examining a sample consisting of 100 cells, you find the following distribution of cell phases. If you know that the cell cycle for this type of cell takes two hours, how long, on average, does the cell spend in prophase?
table of cell phase data
A. 8 minutes
B. 16 minutes
C. 22 minutes
D. 30 minutes
Correct Answer: D. 30 minutes
Explanation: There are 100 cells and 25 of them, or 1/4 of the entire sample, are in prophase. From this you can conclude that these cells spend 1/4 of their cell cycle in prophase. The length of the cell cycle for these cells is 2 hours, or 120 minutes. Therefore, the cells spend about 30 minutes in prophase.
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In what part of the cell cycle does the DNA make a copy of itself?
A. Interphase
B. Prophase
C. Telophase
D. Cytokinesis
Correct Answer: A. Interphase
Explanation: The replication of DNA occurs during interphase. Arguably, the replication of DNA is the most important step in the cell cycle, as it allows the cell to pass on a full copy of its DNA to each daughter cell. If this step did not occur, each daughter cell would only receive a portion of the parent DNA.
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The cell cycle in the correct chronological order is the cell during interphase (image C), Prophase (image B), metaphase (image A), and Anaphase (image D) (Option C).
The cell cycle can be divided into an interphase and a mitotic (M) phase, in which the cell divides.The interphase is the phase where the cell replicates its genetic material (DNA) and grows to prepare for its division.The interphase divides into a Growth 1 (G1) phase, Synthesis (S) phase and Growth 2 (G2) phase.The M phase can, in turn, be divided into these sequential steps:
ProphaseMetaphaseAnaphaseTelophaseIn conclusion, the cell cycle in the correct chronological order is the cell during interphase (image C), Prophase (image B), metaphase (image A), and Anaphase (image D) (Option C).
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What do foods with no carbohydrates have in common?
Answer:
They have more of the Macro nutrients Fat and Protein
Explanation:
Protein and Fat amd Carbs make the three macros
What is the most common form of life within forest areas/plains
(Do not need an answer ASAP I am just creating a study guide)
In plant cells a plate begins to form while a c_________ f___________ is visible in animal cells
Answer:
Explanation:
Explain the role that the larger nucleus of an oxygen atom plays in creating the polarity of a water molecule
Answer:
The larger nucleus of oxygen exerts a stronger pull on the shared electrons in the water molecule, creating the partial negative charge on the oxygen atom, resulting in the polarity.
There are 2 major ways in which neurotransmitters are removed from the synapse. What are they?
Explanation:
enzymatic degradation,re-uptake into the presynaptic cell,or diffusion
amino acid can be split into two groups. Name and Descibe the two groups
the 2 groups are essential acids and non essential acids. basically essential amino acids have to be made from what somebody eats (your diet). non essential amino acids are made in the body.
Amino acids can be divided into two groups, and these groups are essential and non-essential amino acids.
What are amino acids?Amino acids are micro molecules that are made up of amine and carboxylic groups. A side R group chain is also present. It is the basic unit of protein. Many amino acids join together to form protein. There is a total of 20 amino acids.
There are two types of amino acids full stop non-essential amino acids are those assets that a living body can produce, so they cannot be taken from outside food. Essential amino acids cannot be produced by the body, so they are taken in the form of food.
Therefore, essential amino acids and non-essential amino acids are the two categories into which amino acids can be categorized.
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reproduction always creates individuals with adaptive traits. Does this seem correct? Why or why not?
(Please help!) A scientist is studying the population of Cape Fox over four generations to determine if the population is in Hardy-Weinberg Equilibrium.
No, the population is not in Hardy-Weinberg Equilibrium because the frequencies of alleles have changed over the four generations.
Yes, the population is in Hardy-Weinberg Equilibrium because the fourth generation reverts back to the initial population levels.
No, the population is not in Hardy-Weinberg Equilibrium because the frequencies of dominant and recessive alleles are not equal.
Yes, the population is in Hardy-Weinberg Equilibrium because the recessive allele is always greater than the dominant allele.
Answer:
Explanation:
1 There are no mutations in the DNA of the population.
2 The recessive phenotype in this population may serve as an adaptation in this environment.
3 No, the population is not in Hardy-Weinberg Equilibrium because the frequencies of alleles have changed over the four generations.
4 The brown color is an adaptation that is being selected by the environment.
5 The number of individuals displaying each phenotype in both the current generation and the offspring.
No, the population is not in Hardy-Weinberg Equilibrium because the frequencies of alleles have changed over the four generations.
What is Hardy-weinberg Equation?The hardy-Weinberg equation is used to calculate the genetic variation in a population, which is in equilibrium.
The equation is p2 + 2pq + q2 = 1.
The given data has changed in the frequency of allele, so there is no equilibrium.
But, Hardy-Weinberg Equation tells the genetic variation in equilibrium.
Thus, the correct option is A, No, the population is not in Hardy-Weinberg Equilibrium because the frequencies of alleles have changed over the four generations.
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Can any one tell how to score Best in Boards
Answer:
Create two instances of yourself, first is your present and the second one is your past. Now play a game between your Present and your Past.
Explanation:
Lol ur question doesn't make any sense sorry
Answer:
Brainly Boards? Answer lots of questions. And give the best answers. People will give you the Brainliest.
Explanation:
What are the stages of mitosis
Answer & Explanation:
There are four main stages of mitosis. Those are prophase, metaphase, anaphase, and telophase.
The stages are also shown below on the diagram. Hope this helps!
I will give brainliest
is turning a liquid to a gas a chemical reaction
Answer:
Yes. It's called condensation.
Explanation:
Nope.
Turning a liquid to a gas is not a chemical change...its a physical change vecause it is going from a liquid phase to a gas phase. A physical change can be be reversible and irreversible. Therefore vaporisation is a physical change (liquid 2 gas).
Hope this helps- have a good day bro cya)
Which two organs secrete the enzymes and hormones that help with digestion?
pancreas
kidneys
bladder
liver
Answer:
the gallbladder and pancreas
Explanation:
These organs secrete or store substances that are needed for digestion in the first part of the small intestine, the duodenum, where most chemical digestion takes place.
Answer:
pancrease and liver
Explanation:
To what group do oxygen, nitrogen, and sulfur belong?
alkaline earth metals
alkali metals
nonmetals
halogens
Nonmetals
I wanted to let the other guy get brainliest, and now they can :)
Oxygen, nitrogen, and sulfur belong to nonmetals. Nonmetals do not have any lusture, they are poor conductors of electricity.
What are nonmetals?A nonmetal is an element that lacks the characteristics of a metal. It is characterized by what it is not rather than by what it is. It doesn't have a metallic appearance, can't be formed into a wire, bent, or pounded into shape, has a low melting or boiling temperature, and isn't good at conducting heat or electricity.
On the periodic table, nonmetals make up a small portion and are mostly found on their right side. The one exception is hydrogen, which appears in the upper left corner of the periodic table and behaves as a nonmetal at ambient temperature and pressure. Hydrogen is projected to behave like an alkali metal under high pressure.
Therefore, Oxygen, nitrogen, and sulfur belong to nonmetals. Nonmetals do not have any lusture, they are poor conductors of electricity.
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identify the three parts of a nucleotide
Answer:
The building blocks of DNA are nucleotides, which are made up of three parts: a deoxyribose (5-carbon sugar), a phosphate group, and a nitrogenous base
Answer:
Nitrogenous Base, Pentose Sugar, Phosphate Group
Explanation:
If you were a vegetable, what vegetable would you be?
Answer:
A cucumber
Explanation:
I can be made into a pickle and I really like pickles
Answer:
non because I dont like vegetables I would rather be a fruiy
Explain why inmates who have been in the dark cell for quite long usually have problems with their eyes and usually squint when in bright light?
Answer:
No one can see in total darkness. Fortunately, there’s almost always some light available. Even if it’s only dim starlight, that’s enough for your eyes to detect. What’s truly amazing is how little light is required for you to see.
Human eyes have two main features that help us see better in low light: the pupil’s ability to change size, and the eye’s two types of light-sensing cells.
Opening up to let in more light
Your pupils are the black areas at the front of your eyes that let light enter. They look black because the light that reaches them is absorbed inside the eyeball. It’s then converted by your brain into your perceptions of the world.
You’ve probably noticed that pupils can change size in response to light. Outside on a bright sunny day, your pupils become very small. This lets less light into the eye since there’s plenty available
Select the statement below that is true concerning the Bacteria
a. are not found on our bodies.
O b. always cause disease when growing on our bodies.
O c. are only found on small select parts of our bodies.
O d. provide protection to us from disease by covering our bodies, crowding out "bad" invading bacteria
Answer:
D
Explanation:
there are around as many bacteria cells as there are human cells in the human body.
Compare between energy yield in aerobic and anaerobic respiration. Support your answer with reference
Aerobic respiration has more energy yield than anaerobic respiration.
Cellular respiration refers to the process that has to do with breaking down food molecules like glucose which is then converted into ATP.
The cellular respiration in the presence of oxygen is referred to as aerobic respiration. On the other hand, cellular respiration in the absence of oxygen is referred to as anaerobic respiration.
It should be noted that aerobic respiration is more energy-efficient than anaerobic respiration. While aerobic processes produce about 38 ATP per glucose, anaerobic processes produce about 2 ATP per glucose.
In conclusion, aerobic respiration has more energy yield than anaerobic respiration.
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Several common behaviors exhibited by animals are shown in the table. Which behaviors are examples of group behavior?
te falta la tabla
colocala master
How is malnutrition and obesity related to macronutrients/micronutrients?
Answer:Micronutrients malnutrition is a term used to refer to diseases caused by a dietary deficiency of vitamins or minerals/ Micronutrient malnutrition diseases caused by a dietary deficiency of vitamins or minerals. Despite excessive dietary consumption, obese individuals have high rates of micronutrient deficiencies/ macronutrients in carbohydrates are most strongly and positively associated with increases in obesity prevalence even when controlling for changes in total caloric intake and occupation-related physical activity.
Explanation:
Describe the Mass of an atom
Answer:
the mass of an atom is a daltons
Answer:
Atomic mass is defined as the number of protons and neutrons in an atom, where each proton and neutron has a mass of approximately 1 amu (1.0073 and 1.0087, respectively). For elements such as beryllium or fluorine that only have one naturally occurring isotope, the atomic mass is equal to the atomic weight.
Bonds between two oxygen atoms are
bonds.
O a. polar covalent
O b. hydrogen
O c. ionic
O d. nonpolar covalent
O e. hydrophobic
What is not a function of the nervous system?
Answer:
cushion and protect some tissue
How is the change in free energy of an enzme-catalyzed reaction and an uncatalyzed reaction different
Answer: Catalyzed reactions have a lower activation energy (rate-limiting free energy of activation) than the corresponding uncatalyzed reaction, resulting in a higher reaction rate at the same temperature and for the same reactant concentrations. However, the detailed mechanics of catalysis is complex.
Explanation:
Which set of jobs will be found in the field of genomics and molecular biology?
Answer:
It's D
Explanation:
Answer:
Answer is D evolution of disease.
Explanation:
41.If Danielle discover a new microbe that can grow in the presence of oxygen and do not use it, then this
microbe is
Select one:
O a obligate aerobes
O b. facultative anaerobes
O c. aerotolerant anaerobes
O d. microaerophiles
42.Select the option below that is an indirect method of quantifying bacterial cells
O a a Petroff-Hausser chamber
O b. turbidity measurements
c. a Coulter counter
O d. microscopic cell count
43.Which of the statements regarding enzymes is false?
Select one or more:
O a. Their concentration increases as the substrate concentration increases
O b. They are proteins that function as catalysts
O c. Enzymes provide activation energy for reactions
O d. Enzymes are denatured by high temperatures
O e. They are specific
44.What type of microbe would colonize Jenny's small intestines?
Select one:
a obligate aerobes
b. obligate anaerobes
с. microaerophiles
#41
It doesn't use oxygen means
Answer is
Aerotolerant anaeropes#2
Turbidity measurements
#43
Enzymes are denatured by high temperatures Their concentration increases as the substrate concentration increases#44
MicroaerophilesAddition to a cell membrane plant cell also have what that serve to provide strength and support to cell
Answer:
The structure found in plant cells, but not animal cells, that carries out the process of photosynthesis is . ... are structures that contain digestive enzymes. cell wall. in addition to a cell membrane, plant cells also have a that serves to provide strength and support to the cell.
Explanation:
list three characteristics that distinguish monocots from dicots
Answer:Look it up
Explanation: use jiska
In DNA, the designations 3' and
refer to the
A)carbon or nitrogen atoms on the rings of purine or pyrimidine bases.
B)bonding between purines and deoxyribose and between pyrimidines and deoxyribose.
C)cross-linking of the third and fifth carbon atoms of deoxyribose.
D)carbon atoms of deoxyribose to which phosphate groups may bond.
E)bonds that form between adenine and thymine and between guanine and cytosine.
a because that's the abswere