Answer:
B. Fewer pesticides are needed because of parasitoids.
Explanation:
Herbicides are chemicals utilized to manage or command unwanted vegetation. Herbicide employment happens most commonly in row-crop cultivation, where they are employed before or throughout seeding to maximize yield productivity by decreasing other vegetation. Yields have improved considerably, and, in association with tillage, herbicide use decreases erosion, fuel usage, greenhouse gas discharges, and nutrient run-off, and preserves water.
explain the process of DNA extraction and gel electrophoresis
Answer:
The process of that same framework in question is defined below.
Explanation:
The DNA was indeed prepared by mixing with either a dye as well as a radioisotope which enables the gel to have been recognized. The specific filaments would then be differentiated from one another DNA electrophoresis. The procedure occurs with the injection including its completely separate genetic code into boreholes that have already been reduced either at the final moment including its gel pavement.
I CANT FAIL PLEASE SOMEBODY
If the brown bears’ reliance on leaves increased by 14 percent, how would the combined total of all the percentages be affected?
It would increase by 14 percent.
It would decrease to 86 percent.
It would remain at 100 percent.
It would change to 114 percent.
Answer:
It would remain at 100%
Explanation:
The whole won't change-
just the percentages of the separate pieces of diet would change
An investigator wishes to use animals in an experiment that involves category B, C, and D activities performed on the same animal. How should the animal be categorized
Answer:
Category D
Explanation:
In the USA, the Federal Animal Welfare Regulations require that research laboratories report animal use according to the species as well as the number of individuals subject to experimentation procedures. Moreover, animal use for research/teaching purposes is also reported according to the classification by pain and distress categories. Basically, this classification has four categories (B,C, D and E) in increasing order according to the pain level suffered by research animals. Animals within Category D include those subjected to potentially painful or stressful procedures. In consequence, in this category, it is imperative the utilization of proper anesthetics and/or analgesics in order to diminish the pain and suffering of these animals at the lower level possible.
FIND THE INDEPENDENT & DEPENDENT VARIABLE!
- the amount of iron in blood depends on the amount of red meat a person eats.
Answer:
The answer is:
Independent: red meat eaten by a person
Dependent: iron in the blood
Explanation:
A dependent variable has to depend on something else, so in order for a dependent variable to exist or happen, there has to be the independent variable. The independent variable is something that does not need anything else to happen for it to take place. It s independent. Such as, a mother cannot have a child without sperm. The mother have a child is dependent, where the sperm is independent.
The house fly, Musca domestica, has a haploid chromosome number of 6. How many chromatids should be present in a diploid, metaphase cell (metaphase of mitosis)
24 chromatids should be present in a diploid, metaphase cell (metaphase of mitosis).
What is mitosis?Chromosome replication and equitable distribution between the two daughter cells occur during the cell division process known as mitosis. Each daughter cell has the same number of chromosomes as the parent cell, making them diploid. Hence, mitosis is sometimes referred to as equational division.
There are four phases in mitosis and that is prophase, metaphase, anaphase, and telophase.
Thus, If the house fly has a haploid chromosome number of 6, which means it has 12 chromosomes in a diploid state. When a cell undergoes mitosis, the diploid chromosome number of the cell becomes double. Therefore, there will be 24 chromatids in a diploid metaphase cell.
Learn more about mitosis, here:
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An organism is currently using light energy to make food. Based on what you have learned, this organism will be best classified as
Answer:
This organism is best classified as an autotroph.
Explanation:
Autotrophs can make their own food.
What is and example of an molecule
Muscle tissue
Protein
Stomach
Unicellular organism
Chromosomes contain large molecules known as
a DNA
b Lacunae
C Mitochondria
d Viron
Answer:
a DNA
Explanation:
prove me wrong
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ALOT OF POINTS PLEASE HELP :)
How did humankind discover the presence of DNA?
Answer:
The real breakthrough in understanding DNA, however, came with the discovery of its structure in 1953. The discovery of the structure of DNA is often credited to James Watson and Francis Crick.
Explanation:
How was Cell Theory created?”
Answer:
The invention of the microscope led to the discovery of the cell by Hooke. While looking at cork, Hooke observed box-shaped structures, which he called “cells” as they reminded him of the cells, or rooms, in monasteries. This discovery led to the development of the cell theory.
hope this helps :)
What happens if you inject concentrated salt water into the body as a form of torture?
jake tested the effect of purple light on the growth of eggplants
Find the independent & dependent variables.
Answer:
Independent variable : color of light. 2. Dependent variable : height/growth of plant. 3. Independent variable : color of light. 2. Dependent variable : height/growth of plant. 3.
Explanation:
Answer:
Independent variable : color of light. 2. Dependent variable : height/growth of plant. 3. Independent variable : color of light. 2. Dependent variable : height/growth of plant. 3.
Explanation:
NaHC3 is an example of what
Answer: sodium bicarbonate
Answer:
Baking Soda (sodium Bicarbonate, NaHCO3) Is An Example Of A Base.
Explanation:
What are the functions of proteins in cells and viruses?
Which of the following metals can be used as a fuel?
Answer:
Is ther supposed to be a list or a picture ?
Explanation:
PLEASE HELP I NEED TO FINISH BEFORE TODAY!!!!!!!!!!!A city sits in the middle of a broad, flat plateau that is 800 meters above sea level.
The plateau is surrounded by lower land on all sides. Which power plant would have
the HARDEST time generating power if it were built on this plateau?
Answer:
i believe it would be hydroeletric because it is above sea level and wouldnt get water.
In which stage do vertebrate embryos or offspring show the most similarities?
Answer: Middle stages
Explanation:
Answer:
Earliest stages
Expation:
Plant cells are different from animal cells because they are usually
What is the process of Asexual and Sexual reproduction of Jellyfish?
Plz give BOTH answers!!
Answer:Jellyfish reproduction involves several different stages. In the adult, or medusa, stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula.
sexual is when there is a mom and dad and a sexual is when a single organism gives birth usually they look the exact same as the species
Explanation:
18. Viruses are considered
because they can not perform the characteristics of life without a
19. Viruses are made of two basic compounds,
and a
made of protein.
20. A virus infects a cell by injecting
into a cell.
Answer:
6. antibodies and DNA for the question no.6
In your lab group, you are investigating the properties of unknown types of matter. Your teacher gives you a "detective's kit
consisting of: vinegar (an acid), pH strips, and water. She asks you to design experiments to determine the chemical properties of the
unknowns. Select ALL of the experiments you might perform to observe chemical properties.
A)
measuring the pH
B)
measuring the mass
C)
measuring the density
D)
measuring the boiling point
E)
checking for reactivity with vinegar
Answer:
A: measuring the pH
E:checking for reactivity with vinegar
Explanation: I don't have one
The chemical property of the unknown substance can be measured by checking for reactivity with vinegar.
The chemical properties of a substance are those properties of a substance that we can observe by allowing the substance to be changed via a chemical reaction. In other words, chemical properties are observed by passing the substance through a chemical reaction.
Hence, the experiment that you will need to perform in order to determine the chemical properties of the unknown substance is checking for reactivity with vinegar.
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in guinea pigs short hair is dominant over long hair. a female guinea pig with short hair but whose father had long hair is mated with a male whose parents were both short haired, but who has long hair. using a punnett square, predict the genotypic and phenotypic ratios of their offspring?
3 marks) Compare the ingredients in D5NS to plasma in real blood. List 3 ingredients that are present in real blood plasma that are not present in D5NS.
Answer: The D5NS is a fluid used for maintaining the blood glucose level whereas plasma is a liquid matrix in which red blood cells, platelets, and white blood cells are suspended.
Explanation:
The D5NS is a solution of 5% of dextrose in the normal saline in addition it also contains saline 0.9% NaCl. It is used for intravenous glucose treatment. It is used for patients that have low blood glucose level and to maintain the electrolytic balance. Plasma on the other hand has a composition of water, hormones ,electrolytes, lipids, salts, proteins, fibrinogen, clotting factors, and immunoglobulins.
The blood plasma is a liquid matrix which comprises of proteins, fibrinogen, clotting factors, and immunoglobulins (antibodies) which are not present in the D5NS.
You have been tracking an adult female otter who weighs 25 kg. How many kilocalories must she
consume each day to maintain her body weight? Show your work
Answer:
The correct answer is - 6250 kcal.
Explanation:
Otters are carnivorous mammals that depend on the different types of organisms for their food including snails, insects, and fishes or birds. An otter requires 250 Kcal/kg to maintain its body weight for survival so,
Given:
weight of otter = 25 kg
Requirement 250 kcal per kg
Therefore,
The daily calory consumption of otter: weight * required calories
250*25= 6250 kcalories
Asexual reproduction can be advantageous for species that colonize new areas.
A. True
B. False
Answer:
True
Explanation:
It can rapidly increase if the environment is good for them
ANSWER QUICK PLEASE
Which statement best defines bilateral symmetry?
symmetry around the central point of a sphere
similar halves on each side of a single plane
symmetry around a central point
halves that lack symmetry
Answer:
similar halves on each side of a single plane
Explanation:
ANSWER QUESTION PLZ TYSM!!
Answer:
Difference: Conductors are materials that permit electrons to flow freely from particle to particle. Conductors allow for charge transfer through the free movement of electrons. In contrast to conductors, insulators are materials that impede the free flow of electrons from atom to atom and molecule to molecule.
Similarities: Both conductors and insulators deal with the electric conductivity of a surface or material. Everything is either a conductor or an insulator. It is a conductor if it readily allows electrons to flow across it, when there is a potential voltage differential between two points on the surface.
Explanation:
A gene can have many alleles. Why is it that any given person only carries two copies of each allele
What heat transfer method gives plants the energy they need for photosynthesis to take place?
Conduction
Convection
Radiation
Glucose
Answer: radiation
Explanation:
Answer:
Radiation
Explanation:
plants need radiation to produce sunlight in order for them to carry out photosynthesis
the type needed is photosynthetically active radiation (PAR)
Fossil fuels, such as oil and natural gas, are primarily formed from the remains of what?
phytoplankton
mammals
bacteria
dinosaurs
Answer:
phytoplankton
Explanation:
Answer:
Its phytoplankten.
Explanation:
I hope I spelled it right
