Answer:
for number 2 its mosses or lichens
What's one nonmedical way that a society can slow down the spread of influenza?
antibiotics
quarantines
vaccines
antivirals
Answer:
C
Explanation:
What’s the best course of action for the person shown below?
A. Start sweating
B. Start exercising
C.drink water
D.remove jacket
Answer:
c
Expclanation:
Are mules an example of speciation? Why or why not?
Answer:
Hybrids are the offspring of two species. A mule is the hybrid offspring of a female horse and male donkey. Because mules are sterile, they are not classified as a distinct species. The biological species concept connects the idea of a species to the process of evolution.
The student's results are shown in Fig. 5.2.
ASSIGNMENT - 2021
100
90
80
70
60
time for colour
change
50
7 minutes
40
30
20
10
0+
0
20
40
60
80
100
120
distance from lamp /cm
Fig. 5.2
Describe and explain how the rate of photosynthesis is affected by light intensity
Answer:
it is changed because the more light that a plant revives is the more energy they havePLEASE HELP QUICK!!!
What does mRNA do?
A. Carries copies of instructions to make proteins from the DNA to the rest of the cell
B. Creates proteins on the
ribosome
C. Transfers amino acids to the ribosome during protein synthesis
D. Carries amino acids to the growing polypeptide chain on the ribosome
A. mRNA carries copies of instruction to make proteins from the DNA to the rest of the cell.
mRNA is transcribed from DNA, then translated by the ribosomes into a polypeptide chain (protein)
You transform a population of cells with a transgene and isolate a cell line that has integrated the gene into its genome, but in which the gene is not expressed. Speculate as to what may be preventing the gene from being expressed. Describe two ways to test this possibility.
Answer:
The transgene could be silenced by: 1- epigenetic mechanisms (e.g., DNA methylation, histone deacetylation, etc.), and 2-the RNA interference (RNAi) pathway
Explanation:
Epigenetics refers to the heritable changes caused by the activation and deactivation of genes without changing the DNA sequence. Epigenetic mechanisms include 1-DNA methylation on cytosine residues, and 2-modifications on amino acids in the tails of histone proteins (e.g., methylation, acetylation, ribosylation, phosphorylation, etc). These two epigenetic mechanisms can modify DNA structure and thus alter the accessibility of transcription factors, thereby suppressing gene/transgene expression. Moreover, the RNA interference pathway (RNAi) is a naturally occurring mechanism capable of suppressing gene/transgene expression both at transcriptional and post-transcriptional levels. The RNAi mechanism is triggered by regulatory non-coding RNAs (ncRNAs) such as, among others, long non-coding RNAs (lncRNAs) and small ncRNAs (e.g., miRNAs, piRNAs, siRNAs, etc). In this case, for example, DNA methylation on promoter sequences could suppress transgene expression, thereby methods to measure DNA methylation can be used to test this possibility (e.g., bisulfite genomic sequencing). Moreover, miRNAs that bind to the messenger RNA of the transgene could also inhibit its expression by triggering the RNAi pathway (e.g., mRNA degradation), thereby methods to measure mRNA levels can be used to test this possibility (e.g., RT-PCR).
can increase biodiversity. (1 point)
O Changes in temperature
O Decreasing the food supply
O Limiting mates
O Protecting land
Biodiversity is the variety of life habiting the earth's ecosystem with numerous genetics and ecosystem levels. Protecting lands will increase biodiversity.
What is biodiversity?Biodiversity is the variety of living organisms living together in an area, that works together in an ecosystem to support life and maintain the population.
Biodiversity is affected by the temperature, food, reproduction rate, and habitat. Protecting the habitats will increase biodiversity.
Changes in temperature will affect biodiversity negatively, and decreasing food and reproduction ability will decrease the population of the biodiversity.
Therefore, option D. protecting lands can increase biodiversity.
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PLZ help I need the answer today!!!
Answer:
I think it's because the electricity from the battery goes through one light bulb and into the other and back to the battery since there is only one circuit and when one of the light bulbs burn out it stops the circulation of electricity causing the other one not to work too?
In a good experimental design, the part of the experiment that is intentionally changed is the
A dependent variable.
B independent variable.
C constant
D control
Constants never change.
Controls typically don't change or they are done by standard means
(like in an experiment where you water plants with sodas, the plant you use water with is the control)
Dependent variables are the outcome of the experiment. This is the result of changing something.
Independent variables are what you are testing. A independent variable is something that is intentionally altered.
easy way to remember it is that dependent variables depend on what other variables are. so you cant change a dependent variable, but you can change the other variables.
which type of fingerprint is shown below? (attachment)
Explanation:
this is whorl fingerprint
Question on the image below! Help please
Help please.
Potatoes are specialized stems called tubers. Potato tubers have two functions. (1) These thick terms are used to store food. (2) The eyes on the stems, seen here, are used to
A) absorb water.
B) grow new plants.
C) make more sugar.
D) collect oxygen for respiration.
Answer:
B, grow new plants
Explanation:
They are not actual eyes, new potatoes grow out from the potato "eyes".
Which type of transport is endocytosis?
Passive
Facilitated
Active
Answer:
Active
Explanation:
Endocytosis is a type of active transport where large molecules or even cells are moved inside the cell.
A team of marine scientist are studying biotic and abiotic factors that affect the stability of a
deep-sea ecosystem. The scientist discover a new species of fish that eats other fish and
decaying matter. Which of these DOES NOT describe the newly discovered fish?
(4 Points)
Decomposer
O Predator
O Producer
O Consumer
Answer: it is not a Producer
Explanation: it is a Decomposer a Predator and a and it is a Consumer
The one that does not describe the newly discovered fish is "producer," which is the third option, as producers are organisms that can produce their own food through photosynthesis or chemosynthesis.
What is a producer?Producers are organisms that can synthesize their own organic molecules from inorganic substances using energy from the environment, such as sunlight or chemical energy. This process is known as photosynthesis or chemosynthesis, depending on the source of energy used. Examples of producers include plants, algae, and some types of bacteria, while on the other hand, consumers are organisms that obtain their energy and nutrients by consuming other organisms. Consumers can be classified into different types based on their feeding habits.
Hence, the one that does not describe the newly discovered fish is Producer, which is the third option.
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In one page compare and contrast the processes of aerobic and anaerobic respiration.
Living things_______in response to changer in there environment. 1.evolve. 2.fossils. 3.extinct. 4.species. Can some tell me which one it is?
What did Gregor Mendel do to study different characteristics in his genetics experiments?
Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits.
what is glycogen? links will be reported and pls answer in simple words
Answer:
blood glucose
Explanation:
The table above shows the nutritional information in a bottle of pop. Drinking 16 oz of this beverage would provide which of the following?
A.
30% of the total carbohydrates for a person on a 1,000 calorie diet
B.
15% of the total carbohydrates for a person on a 2,000 calorie diet
C.
15% of the total carbohydrates for a person on a 1,000 diet
D.
30% of the total carbohydrates for a person on a 2,000 calorie diet
Answer:
30% of the total carbohydrates for a person on a 2,000 calorie diet
Explanation:
Study Island
30% of the total carbohydrates for a person on a 2,000 calorie diet will provide if drinking 16 oz of this beverage.
How is 30% 15% in the given table?The table is based on 2000 calories, and one serving is 8 oz.
Thus the question is for two servings.
Which equals 30% carb of a 2k calorie diet.
What are carbohydrates?Carbohydrates are macronutrients that provide energy to our bodies in three ways.Carbohydrate-containing foods are converted into glucose or blood sugar by the digestive system during the digestion process.Thus, we can conclude that option D is the correct option, 30% of the total carbohydrates for a person on a 2,000 calorie diet.
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mechanics is that branch of physics and mathematics that...
Answer:
The correct answer is - deals with the motion of an object without or with the reference of force.
Explanation:
The mechanism is the branch of sciences that deals with an object in a motion under the reference force or the object that remains at rest. This branch of physics leads to topics of gravitational force, electricity, quant, or magnetism according to the nature of the forces involved.
Modeling, aerodynamics, and all other applications of mechanics required the use of laws of newton, the formula of mathematics, and algebra.
que tipo de raices? es el cesped
zanahoria
papa
habichuela
helechos
remolocha
clasificar en raises fibrosa o primaria por favor lo necesito lo ante posible para subir la calificacion de la clase sin enlance por favor gracias
*
What did Darwin observe about the birds he saw on different continents?
O They were completely different from one another
They all had similar traits and habitats
O They all had very different traits and habitats
They were identical to each other in every way
Answer:A and B if one choice only then it is B
Explanation:
Your job is to classify a newly discovered animal species. Your initial studies reveal that your specimen has tissues, organs, and a head; has no body cavity or segmentation; and has bilateral symmetry. To what phylum does this animal belong
Answer:
Platyhelminthes
Explanation:
Platyhelminthes (phylum Platyhelminthes), also known as flatworms, are bilaterian, unsegmented and soft-bodied invertebrates. Platyhelminthes are hermaphroditic organisms with internal fertilization. In addition, this group shows a series of characteristics including 1-a ladder-like nervous system, 2-presence of parenchyma in the body cavity, and 3-flame cells, i.e., specialized excretory cells that function like a kidney. Platyhelminthes can be divided into three groups: Turbellaria (generally found in freshwater), Trematoda (generally parasitic), and Cercomeromorpha (exclusively parasitic).
3. The human body has devised an excellent method to keep the body pH under control. a. What principle underlies the constant pH of human blood, and how does the blood achieve this
EASY! Please I need help, I will give brainliest.
HELP ME PLZZZZZZZZZZZZ Clark decides to measure the volume of a rock he found outside. He fills a graduated cylinder with water to 30mL. Places the rock into the water and the water level rises to 37mL. What is the volume of the rock?
Answer:
The correct answer is - 7 cc or ml.
Explanation:
Given:
The volume of water in a graduated cylinder = 30 mL
The volume of rock = ?
Final volume = 37 ml
Formula:
If an object is placed in water, then the amount of water that is displaced or increased by submerging the object is equal to the volume of the object.
Vi + Vo = Vf
Vi = initial volume
Vo = volume of object
Vf = final volume
Solution:
Placing the values in formula -
30 + Vo = 37
Vo = 37 - 30
Vo = 7 ml or cc.
Help me please it’s do 10 minutes
g Electron flow down the electron-transport chain leads to the transport of proteins: Group of answer choices from the matrix to the intermembrane space NONE OF THESE from the intermembrane space to the matrix from inside the mitochondria to the outside from outside the mitochondria to the inside
Answer:
from the intermembrane space to the matrix
Explanation:
In the electron transport chain (ETC), electrons flow from one protein complex to another. However, as this electrons are transfered, protons (H+) is built up from the intermembrane space of the mitochondria to the mitochondrial matrix.
Hence, according to this question, a proton gradient is formed when hydrogen ions (H+) are moving from the intermembrane space to the matrix of the mitochondrial.
who is the third consumer of this food web
Answer:
The grizzly bear and red tailed hawk!
describe the roles of membranes in an amoeba?
Answer: cell membrane - the thin layer of protein and fat that surrounds the amoeba; it allows some substances to pass into the cell, and blocks other substances.
Explanation:
Answer:
The plasma membrane of a cell is a network of lipids and proteins that forms the boundary between a cell's contents and the outside of the cell.
Explanation: