Answer: Nucleic Acid
Explanation:
Made out of nucleotides
Which subgroup is the lowest?
kingdom
species
order
genus
Answer:
species is the lowest subgroup
Explanation:
Would you be able to survive if your body only had one type of cell?
Answer:
yes
Explanation:
you would be able to survive
If the human's body only had one type of cell, they will not be existing. Hence, the answer is no.
The human body is the most complex of all living organisms. It is made up of trillions of cells that are organized into tissues, organs, and organ systems with each organization carrying out different functions. Without these organizations, humans will not be able to carryout essential life processes and as such, not able to survive.
If the trillions of cells are just one type of cell, then, only one tissue, organ, and organ system can be formed. The cells had to differentiate in order for them to be organized into different tissues, organs, and organ systems
In other words, if your body had only one type of cell, the different biological processes being carried out would not be possible and you would not survive.
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How do cells replace themselves?
Scientific theories are explanations for naturally occurring events or phenomena. Although scientific theories require extensive observations and experimentation, they can change over time as new evidence is discovered. Scientific laws are principles that are also based on extensive observations and experimentation. Although scientific theories can develop into laws, a theory can only be declared a law if it is proven to be without exception under certain stated conditions. Which of the following is true regarding scientific theories,laws, and knowledge? A. New scientific knowledge is gained by memorizing scientific theories and laws. B. Scientific knowledge must be proven by both scientific theories and laws. C. Scientific theories can lead to scientific knowledge, but scientific theories are not related to scientific knowledge. D. Scientific theories and laws develop from the acquisition of scientific knowledge.
Answer:
C
Explanation:
scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it.
Answer:
Scientific theories and laws develop from the acquisition of scientific knowledge.
Explanation:
How are DNA and growth/development related?
Explanation:
Deoxyribonucleic acid (DNA)is a molecule composed of two polynucleotide chains that coil around each other and growth is the increase of size in a child while development is the process in which a child develops his or her skills
Which of the following accurately describes Poiseuille's law?a. blood flow is not related to resistance. b. if resistance increases, flow increases. c. if resistance increases, flow decreases. d. viscosity of the blood is not related to flow. e. pH of the blood influences flow.
Answer: Option C.
if resistance increases, flow decreases.
Explanation:
if resistance increases, flow decreases describe Poiseuille's law because it explain the relationship between fluid flow and the viscosity of the fluid, length and width of the turning. The law describe fluid flow is related to length and radius of tubing and viscosity. Increase in resistance will result in decrease in flow rate because flow and resistance are reciprocally related in one way or the other.
The recommended order of draw for a complete blood count, prothrombin time, and cholesterol is:________
Answer:
The use of the word "draw" here refers to the collection of blood samples for laboratory tests.
Step A - The first draw goes into the blood culture bottle or tube with a yellow cover.
Step B - This goes into the coagulation tube with a blue cover.
Step C - The next draw goes into the tube for non-additives. This usually has a red top
Step D - This features collection of blood into the tubes with additives. When dealing with additives, blood samples and additives it is important that the sample and additive is rigorously homogenized. This part can is broken down as follows:
this goes into the SST tube. This tube contains a seperator and a clot activator and is usually is colour coded reddish-gray or gold top.This tube contains Sodium heparin and has a leaf green topThis tube (PST) contains PST contains lithium heparin anticoagulant and a gel separator. It's cover is colour coded light greenThis tube contains Ethylenediaminetetraacetic acid or EDTA for short. It's cover is usually colour coded lavendarThis tube is labelled ACD that is Acid Citrate Dextrose. It's top is coded light yellowthis tube contains Oxalate/Fluoride and it's cover must be colour coded gray.
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What is the definition of control
Answer:
Control is the power or authority to influence or to exercise restraining or directing influence over people's behaviour or the course of events.
Explanation:
How do enzymes act as catalyst to speed up biological reactions
Enzymes are biological catalysts. ... Thus enzymes speed up reactions by lowering activation energy. Many enzymes change shape when substrates bind. This is termed "induced fit", meaning that the precise orientation of the enzyme required for catalytic activity can be induced by the binding of the substrate.on:
Answer:
Chemical reactions occur at the active site of enzymes, where a precise 3D orientation of amino acids is an important feature of catalysis.
Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate.
Activation energy is energy that must be added to get a reaction started, which is recovered as the reaction proceeds.
Enzymes can catalyze reactions through a variety of ways including destabilizing the bonds within the substrate.
Explanation:
usatestprep
Which describes the composition of carbohydrates
Answer:
are hydrates consist of carbon hydrogen and oxygen the general structure of carbohydrates is (CH2O)n. they are ganic compounds organized in the form of aldehydes or ketones with multiple hydroxyl groups coming up the carbon chain.
Subduction of the ocean floor occurs in _______.
Answer:
crust closer to a mid-ocean ridge moves away from the ridge and toward a deep-ocean trench. Sea-floor spreading and subduction work together.
Explanation:
Which is one phenomenon that can cause waves to form in the ocean? strong winds Coriolis effect differences in water density gravitational pull of the moon
Answer:
A(strong winds)
Explanation:
did the test on edg
Common symptoms of iron deficiency and anemia include muscle weakness shortness of breath and lightheadedness why does Iron
deficiency cause of the symptoms
Answer: Because not enough oxygen is getting into the blood cells
Explanation:
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!! Which of Earth's layers has the same chemical composition as the mesosphere? A. inner core B. lithosphere C. asthenosphere D. outer core
Answer:
C : The asthenosphere
Explanation:
The asthenosphere located next layer within the mantle . It has the same chemical composition of the mesosphere.
Answer:
asthenosphere
Explanation:
Which is the MOST accurate statement about cells?
(A) While all organisms have the same total number of cells, the types of cells differ,
(B) Cells are the body's building blocks, the units that make up all organisms.
(C) Cells are identical inside, which equips them to do fundamental things like making copies of themselves.
(D) While animal and plant cells differ because of the cell wall, cells are otherwise the same outside.
The most accurate statement about cells is that they are the body's building
blocks, the units that make up all organisms.
Cells are regarded as the smallest unit of life and the different aggregations
is what forms the tissues, organs and system which make up all organisms.
This is why it is referred to as the building block of all organisms.
Organisms don't possess equal number of cells and all aren't identical as a
result of the various functions each type performs.
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The basic unit of ______________ in the metric system is the gram. Group of answer choices length volume density mass
Answer:
Mass.
Explanation:
It's mass. Example: when a baby is born, is he (or she) measured in grams, or in pounds?
The science and tools used to advance agriculture are known as?
Answer:
biotechnology
Explanation:
In agriculture, biotechnology is using technology to make new discoveries and innovations in crop farming and farm animals
From the organ systems listed below, select the correct sequence of organs found in each system.
OOOO
cardiovascular, digestive, endocrine, urinary, integumentary
heart, stomach, lungs, kidneys, hair
heart, liver, pituitary gland, kidneys, skin
blood vessels, pancreas, kidneys, lungs, n
Scenario: In the experiment shown, plant A received 50 mL of coke each day,
plant B received 50 mL of juice, and plant C received 50 mL of water. Every
day for one week, plant growth was measured.
What is the independent variable? *
Answer:
TYPE OF LIQUID SUBSTANCE RECEIVED
Explanation:
The independent variable in an experiment is the variable that the experimenter deliberately changes or manipulates in order to bring about a response in the dependent variable/measured variable.
In this experiment, the TYPE OF LIQUID was changed for each group of plant in order to see how it affects how the plants grew. Hence, the TYPE OF LIQUID is the independent variable while the dependent variable is the plant growth, which is dependent on the independent variable.
mechanism exloisive of tomato
what is the term for a membrane-enclosed structure within a cell that performs a specific function?
Answer:
Nucleus
Explanation:
If heart rates is 76 beats per minute how many times the heart beat in a day
Answer:
109,440 beats per day
Explanation:
75 times 60 (the amount of minutes in an hour) equals 4,560
456p times 24 (the amount of hours in a day) equals 109,440
Match the level of ecological organization
described by each of the statements below.
The birds, insects, plants, fungi, and other
organisms that reside in a nearby wetland.
A. Molecules
B. Organism
C. Population
D. Biological community
OA
B
O
C с
D) Biological community
Explanation:
Community, also known as a biological community, is a group of interacting organisms that share a shared habitat in biology.
What is Biological community?
A biological community is made up of things like a forest of trees and underbrush plants that is home to various animals and is anchored in bacterial and fungal-rich soil.
Each species in a community fills a certain ecological niche. A species' interactions with other individuals in the community, such as rivalry, predation, parasitism, and mutualism, are included in its niche.
The positions along the food chains that indicate which organisms in a community consume which other organisms are referred to as trophic levels.
Therefore, Community, also known as a biological community, is a group of interacting organisms that share a shared habitat in biology.
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Which of the following is the best definition of the term dependent
variable?
Answer:
what's measured and effected during a study.
it's named dependent because depends on it's independent variable. dependent variable is often called a response or output, because it's the response you'll get after an experiment.
Select the correct answer.
John owns a large farm and employs almost 50 laborers on the property. With the increasing global warming situation he wants to provide
protection for his farm workers from the UV rays. Which personal protective equipment should John provide to his laborers?
OA. hard hat
OB. broad-brimmed soft hats
OC. HAZMAT suit
OD.
broad-brimmed cap
Answer:Hard is the answer
Explanation:
Question 3: PH is a measure of the number of____ in a water-based fluid. a. Hydrogen atoms B.hydrogen ions C.hydrogen molecules D.hydrogen bonds Question 4: a _______ Is an attractive force between two Atoms (What is it?) Question 5: what property of water allows insects to walk on the surface? A period resistance to temperature change B. Expansion upon freezing C. Hi solubility D. Cohesion I’m sorry, these are all the points I have left. Please help me!
Answer:
Q3: B. Hydrogen ions
Q4: Intermolecular force
Q5: D. Cohesion
Why would another parasitic organism, such as a disease-causing bacteria, be
considered a living organism?
Please!!
Explanation:
Hey there!!
The reason is as per the characteristics of living organism, they multiply their number (replicate) and feeds on various host body.
Hope it helps...
A student will measure and record the growth (in height) of two flowering plants every other day for 20 days. Each plant will receive 200mL of water each day, but only one plant will receive 10mL of fertilizer. What is being tested? Do flowering plants grow better with salt water? Does fertilizer help a plant grow taller? How tall do these flowering plants grow? How much fertilizer do flowering plants need?
Answer:
Does fertilizer help a plant grow taller?
Explanation:
Every experiment begins with an observation, which then leads to a scientific question that can be tested. In this question, a student measures and records the growth (in height) of two flowering plants every other day for 20 days. He then waters each flowering plants with same amount of water (200mL) but adds 10mL fertilizer to only one group of flowering plant.
This experimental set up implies that fertilizer is the independent variable or manipulated variable of the experiment while the dependent/measured variable is the growth (height) of plants.
N.B: 200mL of water is a constant or controlled variable
Hence, based on the identification of the independent and dependent variables, it can be said that the student is testing IF fertilizer will improve the growth in height of the flowering plants, hence, the scientific question will be: DOES FERTILIZER HELP A PLANT GROW TALLER?
Draw the phases of mitosis of a cell that contains four chromosomes as its diploid or 2n number
Answer:
Please find the diagram attached and explanation below.
Explanation:
Mitosis is a type of cell division that forms two genetically identical cells. It involves four stages viz; prophase, metaphase, anaphase, and telophase.
Considering a diploid (2n) cell with four (4) number of chromosomes.
Prophase- four duplicated chromosomes condense and pair up.
Metaphase- four chromosomes line up at the cell plate or equator in order to get separated.
Anaphase- the sister chromatids are pulled apart by the spindle microtubules
Telophase: the chromosomes recoil and organelles form at opposite poles of the cell.
At the end of cytokinesis, which is division of the cytoplasm, four chromatids are present in each daughter cell. The chromatids becomes individual chromosomes that retain the diploid (2n) chromosome number of four.
Mitosis is a cell cycle division in which the parent cell divides into two daughter cells with alike chromosome numbers.
It consists of four steps namely prophase, metaphase, anaphase and telophase.
According to the question, the diploid (2n) cell with four chromosomes will divide by the following stages. Find the attached image below for the diagram:
Prophase- four copied chromosomes will consolidate and pairing will happen.Metaphase- the joined chromosomes will queue at the middle of the cell plate or equator.Anaphase- the sister chromatids begins stretching apart by the spindle micro tubules near the edge of the poles.Telophase: the chromosomes commence recoiling and other organelles start developing at the corresponding poles of the cell.This was the process of karyokinesis and will be followed by cytokinesis that is the cytoplasm division.
Now the chromatids will become individual chromosomes and two diploids (2n) daughter cells will be formed.
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Which type of environmental scientist is likely to study methods of water conservation and decontamination?
a. Hydrologist
b. Toxicologist
C. Oceanographer
d. Ecologist
Answer:
A. Hydrologist
Explanation: A hydrologist is the environmental scientist who is likely to study methods of water conservation and decontamination. He is the person who carries out research on circulating, distributing and studying physical properties of the underground surface of the earth, and its surface waters.