Answers
Answer:
Animal cells
Explanation:
Related Questions
Use the following scenario to answer questions 67-70
Kayla is a nutritionist and is interested in how diet affects growth in children. Using rats as a
model organism, Kayla set up the following experiment to examine the effects of diet on the
growth of baby rats. She chose rats because, like humans, they nurse their young, and share
many of the same genes. She designed an experiment that measured the effect of a sugar water
diet compared to a diet of breast milk on rat growth. She divided a litter of 6 rats into two groups
of three. Group A was fed a diet of sugar water, and Group B was fed breast milk. Each rat was
fed 5 mL of "food" each day. Kayla determined the mass of each rat once a week for 4 weeks.
67. What is the independent variable in this experiment?
68. What is the dependent variable in this experiment?
69. What is the control group in this experiment?
70. What variable(s) were constant in the different groups?
Answers
The independent variable in this experiment is the number of rats.
The dependent variable is the mass of each rat.
The control group in this experiment is the mass of each rat.
Nutritionists commonly work with individuals or populations to teach them more approximately general nutrients, food, and health. Their recognition is of meal behavior. This consists of working with people to plot and put in force meal plans that improve the person's or circle of relatives' nutrition.
In place of dietitians, who're qualified to diagnose eating disorders and lay out diets to treat particular medical conditions, nutritionists address standard dietary pursuits and behaviors. Nutritionists are regularly employed in faculties, hospitals, cafeterias, lengthy-term care centers, and athletic businesses
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aging is associated with__ production of antibodies
Answers
Aging is associated with decreased production of antibodies.
Older people produce fewer antibodies, and the strength of their immune system weakens. Which is why older people are weaker compared to young men in their 20s.
When determining CFU/mL, plates with more than 300 colonies should be eliminated from analysis, being designated: Group of answer choices TNTC TSA TVAC TFTC
Answers
Answer:
TNTC
Explanation:
The correct option would be TNTC.
TNTC simply means Too Numerous To Count. The term is usually reserved for bacterial culture plates with high bacterial loads, usually in the excess of 300 colonies. It is as opposed to TFTC (Too Few To Count) which is the term used when the colony count on a bacterial culture plate is less than 30.
When a bacterial culture plate is too numerous to count, it can either be eliminated from data analysis or the sample diluted to lower the bacterial load.
Beth earned a bachelor’s degree and has worked as a systems analyst for three years. Which of the following has Beth acquired?
A. knowledge
B.data
C.experience
D.information
Answers
Answer: The answer is A Knowledge
Explanation: I just took the test
Beth acquired knowledge as well as experience. So, the correct options are (A) and (C).
What is knowledge?Knowledge is described as awareness of facts or practical skill, and can also mean familiarity with objects or situations. Knowledge of facts also known as propositional knowledge which is defined as true belief as distinguished from opinion or conjecture based on justification.
It is the familiarity, awareness, or understanding of someone or something like as a fact, information, detail, or skill acquired through experience or education, which may refer to a theoretical or practical understanding of a subject.
By working somewhere in any organization one gains experience as well as knowledge on the job.
Thus, Beth acquired knowledge as well as experience. So, the correct options are (A) and (C).
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explain how thermal pollution can impact on the quality of water biodiversity
Answers
Question 12 (5 points)
The inside lining of many of the tubes in the digestive tract, such as the esophagus
are actually muscular. Which type of muscle tissue would be seen, if these tissues
were put under a microscope?
Cardiac muscle
Smooth muscle
Striated muscle
Skeletal muscle
Answers
Answer:
The answer is option B.
Smooth muscleHope this helps you
Answer:
Smooth muscle
Explanation:
Smooth muscle cells often only contain a single nucleus and their movements are involuntary, such as their movement during swallowing. Skeletal muscle is ordinarily striated and voluntary, with many nuclei involved in their cells. Cardiac muscles have fewer nuclei that skeletal muscles cells, but are also involuntary in their movement, which keeps the heart beating.
Genetic instructions are passed down from parent to offspring through a cellular process called __________ .
Question 2 options:
1)
DNA synthesis
2)
DNA duplication
3)
DNA replication
4)
PCR
5)
The miracle of child birth
Answers
Answer:
La (3)y(2)
Explanation:
Espero ayudarte
. A gene has the base sequence that starts with CGT ACG GCT AC.
a) What would be the mRNA base sequence formed during transcription, using the DNA sequence shown above? (3 points)
DNA: CGT ACG GCT
mRNA: GCA UGC CGA
b) What would be first three amino acids in the protein formed from this gene? (3 points)
Ala Cys Arg
c) The gene has a mutation and is changed to the sequence below.
CCT ACG GCT AC
What kind of mutation is this? (2 points)
d) What is the new mRNA strand formed by this gene? (3 points)
e) What are the new amino acids formed from this gene? (3 points)
f) Describe how the mutation has affected the protein coded by this gene. (3 points)
Answers
Answer:
A) GCU AGC CGU
B) Ala/A, Ser/S, Arg/R
Explanation:
90% H₂O
10%
solute
85% H₂O
15% solute
45% H₂O
65%
solute
75% H₂O
25% solute
30% H₂O
10%
solute
90% H₂O
10% solute
2
5.
8.
40% H₂O
60%
solute
90% H₂O
10% solute
90% H₂O
10%
solute
63% H₂O
37% solute
82% H₂O
18%
solute
25% H₂O
75% solute
3.
6.
9.
75% H₂O
25%
solute
80% H₂O
20% solute
50% H₂O
50%
solute
50% H₂O
50% solute
90% H₂O
10%
solute
80% H₂O
20% solute
Answers
A hypotonic solution is one in which there is more water than solutes, such as when there are 10% solutes and 85% water. When there are more solutes than water, it is called a hypertonic solution, such as 40% water and 60% solutes, whereas in an isotonic solution, the concentration is the same.
What is the significance of the different solutes in the concentration?There are different solutions based upon the solutes and the solvent ratios, such as when the cell is placed in the hypertonic solutions, the cell removes water to the outside, and when placed in the isotonic solutions, the size of the cell remains the same.
Hence, a hypotonic solution is one in which there is more water than solutes, such as when there are 10% solutes and 85% water. When there are more solutes than water, it is called a hypertonic solution, such as 40% water and 60% solutes, whereas in an isotonic solution, the concentration is the same.
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Do isomers exist in double sugars compare sucrose and maltose
Answers
Assume that a population of 50
individuals has the following numbers
of genotypes for a gene with two
alleles, B and b: BB = 30, Bb = 10,
and bb = 10. Calculate the
frequencies of the two alleles in the
bopulation's gene pool.
Answers
The population's gene pool, the frequency of the B allele is 0.7 (or 70%) and the frequency of the b allele is 0.3 (or 30%).
To calculate the frequencies of the two alleles (B and b) in the population's gene pool, we can use the allele frequency formula. The allele frequency is the proportion of a specific allele within a population.
Given the genotypes BB = 30, Bb = 10, and bb = 10, we can determine the number of alleles in the population as follows:
Number of B alleles = 2 * (number of BB genotypes) + (number of Bb genotypes)
= 2 * 30 + 10
= 60 + 10
= 70
Number of b alleles = 2 * (number of bb genotypes) + (number of Bb genotypes)
= 2 * 10 + 10
= 20 + 10
= 30
Next, we can calculate the frequencies of the two alleles:
Frequency of B allele = (Number of B alleles) / (Total number of alleles)
= 70 / (70 + 30)
= 70 / 100
= 0.7
Frequency of b allele = (Number of b alleles) / (Total number of alleles)
= 30 / (70 + 30)
= 30 / 100
= 0.3
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If a homeostatic control system had a defective receptor that could not respond to the stimulus what would happen
Answers
Homeostasis is achieved thanks to the coordinated functioning of all the interconnected structures that function to maintain a constant physical or chemical parameter (homeostatic control system), if there is a defective receptor that would lead to a homeostatic Imbalance.
What is a homeostatic Imbalance?Occurs when a variable is out of balance and control centers cannot maintain homeostasis, disease and death can occur.
Characteristics of homeostatic control systemThe receptor detects the changes and sends a signal to the integrating center via the afferent pathway.The nervous system and endocrine system receive receptor signals about imbalances and send corrective signals to effectors to maintain homeostasis.Common diseases that result from homeostatic imbalance are diabetes, dehydration, and hypo/hyperglycemia.Therefore, we can conclude that the homeostatic control system receives signals from its receptors and sends corrective signals to glands, tissues, and organs to maintain homeostasis.
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amount of time it takes the moon to make one complete revolution
Answers
Answer:
27 days
Explanation:
The area inside a cell has a lower concentration of water molecules than the
area outside a cell. What role might the cell membrane play in moving the water?
A. The cell membrane will allow water to pass freely into the cell by
osmosis.
B. The cell membrane will use endocytosis to move water into the
cell.
C. The cell membrane will produce energy to move water out of the
cell.
D. The cell membrane will use active transport to force water out of the cell.
Answers
Answer:
the correct answer is A
Explanation:
The cell membrane will allow water to pass freely into the cell by osmosis, because the environment or solution in which the cell present is hypotonic
how do some cells make food molecules
Answers
Answer:
All living cells release energy from food molecules through cellular respiration and/or fermentation. Some cells make food molecules using light energy through the process of photosynthesis. lol
What does our body do to keep our body temperature constant and why
Answers
(Hope this helps !~) (ﾉ´ヮ`)ﾉ*: ･ﾟ
What is the correct order of steps in the scientific method?
A. Ask a question, make a hypothesis, test the hypothesis, draw
conclusions, and analyze results.
B. Ask a question, make a hypothesis, test the hypothesis, analyze
results, and draw conclusions.
C. Ask a question, analyze results, make a hypothesis, test the
hypothesis, and draw conclusions.
D. Make a hypothesis, test the hypothesis, analyze results, ask a
question, and draw conclusions.
fi
Answers
Answer:
Explanation:
B you analyze the results then draw conclusions.
Use the drop downs to determine which symbols would complete the inequality for the domain. −4 ___(a)___ x ___(b)___ 4 (a) (b) On a coordinate plane, a graph of an image with a curve and straight line has 2 points. A closed circle appears at (negative 4, negative 2) and an open circle appears at (4, 5).
Answers
The symbol that will be required to complete the inequality for the domain given, depends on the set of x-values.
What is domain of an inequality?
The value of x, for which the function f(x) is defined is called the domain of equality.
The following symbols are used to reperesnt the inequality of a domain.
less than symbol ( < ).Greater than symbol ( > ).Greater than or equal to symbol ( ≥ ).Less than or equal to symbol ( ≤).Following can be the complete inequality.
- 4 ≤ x ≤ 4 : It represnts -4 and 4 in the set of x values.-4 < x < 4 : It does not represent - 4 and 4 in the set of x values.-4 ≤ x < 4 : It represnt -4 and does not represent 4 in the set of x values.-4 < x ≤ 4 : It does not represnt -4 and represnts 4 in the set of x values.Therefore, the symbol required to complete the inequality fo the given set of domains is dependent of the set of x-values.
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Can a moth decide to change colors? For example, can a dark moth change colors to be lighter in a light colored forest?
Answers
The stages of mitosis were originally defined by cellular features observable through a light microscope.
a. True
b. False
Answers
Answer: TRUE
Explanation:
The cell division that takes place during the growth and development of an organism is in an as MITOSIS. Mitosis takes place in somatic cells that is, body cells that are not involved in the production of gametes. The difference stages of mitosis were originally defined by cellular features observable through a LIGHT MICROSCOPE. These stages includes:
--> PROPHASE: when viewed under a light microscope, each chromosome shortens and thickens and is seen to consist of two chromatids. The Centriole begin to separate.
--> METAPHASE: The nuclear membrane disappears, a spindle forms, the chromosomes line up across the middle of the cell and become attached to the spindle fibres at their centromeres.
--> ANAPHASE: The sister chromatids are pulled apart to opposite ends of cell as the spindle fibres contract.
--> TELOPHASE: A nuclear membrane forms around each set of chromatids, and the cell divides into two daughter cells.
PLEASE HELP!
(click on the picture for it to be clear)
have a blessed day.
Answers
Answer:
plastic
Explanation:
what is the resting phase of the cell cycle called?
A. Prometaphase
B. Mitosis
C. Interphase
Answers
The resting phase of the cell cycle is called interphase.
Interphase is a critical stage in the cell cycle during which the cell prepares for division by going through different activities such as growth, DNA replication, and protein and organelle production. It is the longest phase of the cell cycle and is separated into three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2).
The cell develops in size, synthesises RNA and proteins, and performs its regular duties during the G1 phase. The cell enters the S phase after passing through the G1 checkpoint. The DNA of the cell is reproduced during the S phase, resulting in the production of two identical copies of each chromosome.
This ensures that during cell division, each daughter cell receives a complete set of genetic material. The cell enters the G2 phase after DNA replication, where it continues to expand and prepares for mitosis.
Interphase is not a real resting phase because the cell is actively engaged in multiple cellular functions. However, because the cell is not visibly dividing at this period, it is commonly referred to as the resting phase.
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2x + 3y = 34 y = 5x The solution is
Answers
The solution of the above simultaneous equation is x= 2, y = 10.
How to solve a mathematical equation?A simultaneous equation in mathematics is a finite set of equations whose common solutions are sought.
According to this question, two algebraic equations are given as follows:
2x + 3y = 34 ........eqn 1
y = 5x ......... eqn 2
First, we substitute 'y' in equation 2 into equation 1 as follows:
2x + 3(5x) = 34
2x + 15x = 34
17x = 34
x = 2
Since y = 5x, y = 5(2) = 10
Therefore, variable x = 2, while y = 10.
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9. Javier is a navigator for the navy His ship has just lost all power in the middle of the ocean, including access to your GPS. Which astronomical tool would be MOST helpful in this situation?
Answers
For this assignment, you will first research energy resources in your area. Next, you will gather
information about the political, economic, and environmental effects of the worldwide distribution and use
of the resources you use in your community. Then, you will develop a long-term sustainability plan for
your community. Finally, you will create a multimedia presentation of your sustainability plan.
Background Information
Many states and localities have a number of renewable and nonrenewable resources. Renewable
resources include those that can be replaced faster than they are used: solar power, wind power, timber,
and oxygen are just a few examples. Nonrenewable resources cannot be easily replaced. They are used
at a faster rate than they are created. These include oil, natural gas, coal, minerals, and precious metals.
Many states, municipalities, and businesses have sustainability plans. These are guidelines to avoid
depletion of natural resources to maintain balance in Earth's biological systems. As Earth's population
increases, humans will need to continually work to minimize their impact on the planet's resources. A
sustainability plan outlines specific actions and goals that will aid in this important work.
On a global scale, countries create their own sustainability plans because the global distribution of
resources have political, economic, and environmental effects. Their sustainable plans help them manage
resources and the effects of using these resources. The global distribution of resources also affects
states and communities. Sustainability plans involve details outlining how political, economic, and
environmental issues will be addressed.
Answers
The sustainability plan for my community involves replacing non-renewable energy sources like cola with renewable energy sources like solar and wind energy.
What is a sustainability plan?A sustainability plan outlines strategies for sustaining the program, activities, and partnerships and serves as a road map for accomplishing long-term objectives.
A community sustainability plan serves as a guide for creating a location where people can live, work, and play that is socially just, economically viable, and environmentally sound.
Programs for recycling and composting, renewable energy initiatives, and the use of community green teams to identify and prioritize sustainability requirements are some examples.
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Which statement best describes how auxin molecules act to cause plant tropisms?
They stop being produced when the stimulus is present.
They congregate on the side away from the stimulus.
They disperse equally through the plant.
They congregate on the side toward the stimulus.
Answers
Auxin is a plant hormone that regulates growth and development. When a plant is exposed to a directional stimulus, such as light or gravity, the distribution of auxin in the plant changes. In response to a positive stimulus, such as light, auxin accumulates on the shaded side of the plant, promoting growth on that side and causing the plant to bend towards the light. In response to a negative stimulus, such as gravity, auxin accumulates on the lower side of the plant, promoting growth on that side and causing the plant to bend upwards.
Which piece of scientific knowledge best supports the idea of the cell theory that cells come from existing cells?
Cells are the smallest structures that carry out specialized functions in a living organism.
Chromosomes are copied during the replication process.
Multicellular organisms have chromosomes located in membrane-bound nuclei.
Some members of a species display a trait due to mutations in genetic coding.
Answers
Answer: Cells are the smallest structures that carry out specialized functions in a living organism.
This energy source uses geyers, hot springs, and steam vents to gather hot water and steam.?
Answers
Answer:
geothermal energy
Explanation:
What is a chromosome
Answers
Answer:
Chromosomes are structures found in the center (nucleus) of cells that carry long pieces of DNA. DNA is the material that holds genes. It is the building block of the human body. Chromosomes also contain proteins that help DNA exist in the proper form.
Can anyone help me with my homework
Answers
Answer:
1. true
2. False
3. True
4. True.
Explanation: Im am so so sooo sorry if i am wronge and I just think that is it.