Answer:
The last one is the correct answer( a mRNA strand is created using the code in DNA)
The part of the cell that functions to maintain homeostasis is
Answer:
The cell membrane helps the organism in its fight to maintain homeostasis.
Explanation:
it is called cell membrane
Explain how organisms interact in an ecosystem (ex.Competition, predation,
symbiosis)
Answer: Individual organisms live together in an ecosystem and depend on one another.
Explanation:
Which best describes the relationship between DNA, geans, and chromosomes?
Answer: Genes are segments of DNA which form tight coils called chromosomes.
Choose the answer that best completes the sentence. ______ zebra mussels can live six or seven years, now it seemed that most were dying after only one or two years.
Answer:
C
Explanation:
A. Since
B. Because
C. Although
D. For example
Zebra mussels have been known to have a lifespan of six or seven years in the past but recent discoveries have shown that their average lifespan now ranges between one to two years. Hence, the correct word to fill in the gap would be 'Although'.
The correct option is C
4. Oxygen molecules move across cell membranes through a process called
O diffusion
O collision
O engulfing
osmosis
Answer:
Diffusion
Explanation:
Oxygen molecules can travel through the phospholipid bilayer using diffusion. Diffusion is when molecules travel from a higher concentration to a lower concentration.
Which of the following traits could be passed
down (inherited) from parents?
Having blue eyes
O knowing how to ride a bicycle
O Knowing how to read
Having short fingernails
Answer:
Have blue eyes
ADD NOTE
QUESTION GUIDE 3 EXIT TEST
COLOR THEME
Q ZOOM
3. In a particular species of squirrel, red hair is dominant
over white hair. What is the expected phenotypic result
of the offspring produced by two parents, HH x Hh?
O
50% red hair, 50% white hair
100% white hair
0 0 0 0
100% red hair
75% red hair, 25% white hair
CLEAR ALL
O 10
NEXT >
REVIEW & SUBMIT
(PREVIOUS
Answer:
100% red hair.
Explanation:
All of the offspring will inherit the dominant trait for red hair, and since the dominant trait is always shown over the recessive, they will all have red hair.
Where does glycolysis occur? (Cellular Respiration.
A- Cytoplasm
B- Mitochondrion
C- Nucleus
D- Cell Membrane
THE ANSWER IS - A- Cytoplasm.
I took the test and go this answer correct!!!!!!
Water and the Earth 1:Question 3
In the water cycle, gravity is a factor that pulls things down. Which of
these processes in the water cycle is helped by gravity?
Select one:
O
Condensation
O
Transpiration
O
Runoff
O
Evaporation
Answer:
Runoff
Explanation:
The other answers involve the water particles rising to the clouds. So those processes work against gravity and not with it. Runoff uses gravity to flow back into the ocean or large body’s of water.
Which fish have a skeleton made of cartilage? Check all that apply.
goldfish
hagfish
rays
seahorses
sharks
tuna
Answer:
Ray's and Sharks
Explanation:
It is rays, sharks, chimeras, and skates
Answer:
its b,c e
Explanation:
which of the following correctly describes the process being illustrated?
During prophase I of meiosis I, alleles cross over and recombine to form non-identical haploid chromatids. Therefore, option , (D) is the process being illustrated.
What happens in prophase I ?Prophase I of meiosis I is a process that consists of five distinct stages during which genetic material in the form of alleles undergoes crossover and recombination to generate non-identical haploid chromatids. Prophase I of meiosis I is the first step of meiotic division.
The first stage of meiosis is known as Prophase 1, and it is differentiated into five distinct phases: leptotene, zygotene, pachytene, diplotene, and diakinesis.
In what is referred to as the synaptonemal complex, the paired chromosomes, one of which is of paternal origin and the other of which is of maternal origin, associate with one another along the entirety of their length. Pachytene is the name given to this stage of meiotic prophase I because at this point the paired chromosomes have compacted and appear to be fat.
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Which happens during crossing over?
A. Two sex cells join together and combine DNA.
B. Genes are exchanged between two alleles.
C. Genes are exchanged between two egg cells.
D. Chromosomes line up randomly during metaphase I.
A student designed an experiment to demonstrate an effect of the interaction
between the atmosphere and living things. Which of these best describes the
experiment designed by the student?
A) Dig soil to see plant roots.
B) Put plants in a bowl of water.
C) Keep a plant in a jar of carbon dioxide.
D) Add fertilizers to plants to make them grow.
Answer: b Researching is composed of various explorations in utilizing the scientific method in the process. It also, answers any scientific inquiry with the use of scientific method. Research enables and promotes the scientific community at a larger scale. Contributing and collaborating knowledge all-over the people and persons in science. Researches play a big role in everyone’s academic identity because
1. It actively makes the individual scientific in approach to things of curiosity and makes him/her use the knowledge to study and produce results which
2. The scientific society will benefit by this particular study and can work together to better explore and discover.
Explanation:
Answer:
B
Explanation:
Mystery bull punnet square
Answer:
1. All red offsprings
2. All roan (RW) offsprings
Explanation:
According to this question, the allele for red color (R) is codominant with the allele for white color (W). Hence, an heterozygous cattle will give a roan color (RW).
- for cross 1 between RR and RR, only R gametes will be produced by both parents, hence, all the offsprings of this cross will possess a RR genotype i.e. all red traits
- Also, in cross 2 between RR and WW parents, RR will produce gametes R while WW will produce gametes W, hence, all the offsprings will have a genotype RW i.e. roan color
Which of the following words describes the reality that the universe looks the same
from various perspectives
distribution pattern
cosmological
symmetrical
isotropic
Answer:
Isotropic
Explanation:
When astronomers look inside of a powerful telescope they were able to see that the universe looks the same in all directions. Isotropic is just another word for 'same in every direction' even if you stand in the center and look in every direction.
Hope this helped :)
In order for organisms to stay alive, what are some of the essential chemical substances that must be able to enter and leave cells? Check all that apply.
water
oxygen
Glucose/sugar
soil
Answer:
water,glucose and oxygen are all essential to keeping organisms alive.
do ducks burp???? is water wet???? Why do sharks hate fresh water??? Can i develop gills?
Answer: I think ducks might burp. Sharks do not mind freshwater. Water is not wet. And yes you can most likely grow gills after awhile of in water or in that is really damp.
Explanation:
What is the correct sequence of molecules involved in protein synthesis from beginning to end?
Answer:
The correct sequence of events in protein synthesis is transcription then translation. First, during transcription DNA is copied to mRNA in the nucleus. Then, mRNA is edited, processed and exported to the cytoplasm. Next, translation occurs.
Explanation:
Messenger RNA (mRNA) molecules carry the coding sequences for protein synthesis and are called transcripts; ribosomal RNA (rRNA) molecules form the core of a cell's ribosomes (the structures in which protein synthesis takes place); and transfer RNA (tRNA) molecules carry amino acids to the ribosomes during protein. The process in which the messenger RNA (mRNA) molecule on a ribosome is decoded to produce a sequence of amino acids for protein synthesis. The process in which a strand of messenger RNA (mRNA) is synthesized by using the genetic information found on a strand DNA as a template.
The correct sequence of molecules involved in protein synthesis from beginning to end - DNA → mRNA → tRNA → Protein
Protein synthesis is a two-step process that involves transcription and translation to make proteins from a DNA sequence through the help of other molecules and organelles.
Transcription is the process of copying genetic information from the DNA sequence into the mRNA sequence that moves to the cytoplasm.The translation starts in the cytoplasm that is a translation of mRNA molecules to amino acid chains.mRNA molecules bind to the ribosome and with the help of tRNA molecules form an amino acid sequence.These amino acids chain are called peptide chains or proteins.Thus, the correct sequence of molecules involved in protein synthesis from beginning to end - DNA → mRNA → tRNA → Protein
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what does the term "gamete" refer to?
A. egg and/or sperm cells
B. chromosomes
C. skin cells
D. brain cells
Answer:
The answer is A
Explanation:
Gamete is a reproductive cell containing only one set of dissimilar chromosomes.
Thankyou ansndnndndndndndnf
Answer:
a, testing a hypothesis
Explanation:
Question 1
1 pts
A drop of blood returning from the big toe would enter the heart through what vessel?
O Pulmonary veins
O Coronary sinus
Inferior vena cava
O Azygous vein
O Superior vena cava
Answer:
The inferior vena cava
Explanation:
A drop of blood returning from the big toe would enter the heart through the inferior vena cava.
The inferior vena cava is a blood vessel that is located near the heart, with the aim of receiving the blood that has already traveled through the abdominal cavity and the lower extremities.
The inferior vena cava originates at the level of the pelvis, when the external iliac vein and the hypogastric vein come together to create a system that collects the blood waste that has already traveled both legs.Therefore, together with the superior vena cava and the coronary sinus, they are the ones that carry blood to the right atrium.Therefore, we can conclude that the superior vena cava collects deoxygenated blood that comes from the abdomen, pelvis, and lower limbs.
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The border between two tectonic plates lies below the state of California. The interaction of these two plates results in which of the following?
a.) Mild Climate
b.) Rich, fertile soil
c.) Frequent earthquakes
d.) Occasional wildfires
Answer:
Frequent Earthquakes
Explanation:
californication
The interaction of these two plates results in frequent earthquakes.
What is an earthquake?An earthquake is a sudden and intense shaking of the ground caused by the movement of tectonic plates in the Earth's crust. Earthquakes can result in damage to buildings, roads, and other structures, as well as cause landslides, tsunamis, and other natural disasters.
They are caused by the release of energy from tectonic plates as they shift and interact with one another. Earthquakes are measured on the Richter scale, which is used to determine their magnitude and potential for causing damage. The frequency and intensity of earthquakes can vary depending on location, with some areas experiencing more frequent or severe earthquakes than others.
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a biome is best described as a major type of ecosystem with
Answer:
distinctive rainfall, temperature, and organisms
Explanation:
Please help PLZ HELP!!! PLZ I WILL GIVE A BRAINLY!
What organisms are similar to protists?
O Archaeabacteria, eubacteria, and fungi
O Fungi, plants, and animals
O Plants, archaeabacteria and animals
O Eubacteria, fungi, and plants
Answer: The correct answer is " Fungi, plants, and animals"
Explanation:
I took the test
A person who has high self-esteem:
A. is never afraid.
b. puts down others.
c.
has no need to improve.
d.
is willing to try new things.
Answer:
i would say the most realistic answer is, d. you can have a high self esteem and not be narcissistic.
Answer:
I think it would be willing to try new things.
Explanation:
Because it seems like the best answer
what is the name of the cell that activates CD4 and CD8 cells?
Hey there! Let's solve the problem:
CD4 T cells activate CD8 T cells through an underhanded cycle including an antigen presenting cell (APC), customarily a standard dendritic cell (DC). An APC presents a peptide to a true CD4 T cell through a Class II MHC molecule.
why is it important to identify adult flies in a forensic investigations
Answer:
Forensic entomology also helps determine an estimate of how long a person or animal has been deceased or the Post Mortem Interval, Also known as PMI. Investigators can determine this from insects by studying the development of the insect. An adult insect will fly around until it finds a body that is suitable for it to lay its eggs.
Explanation:
Brain-list?
What phase of mitosis is shown in the image?
a.
prophase
b.
metaphase
C
anaphase
d.
telophase
e.
cytokinesis
b- metaphase is the phase of mitosis shown in the image
Which of the following might result in patterns of inheritance that are different from that expected under Mendelian genetics?
The genes are linked together on the same chromosome.
There is one dominant and one recessive allele.
There are more than two possible alleles of the same gene.
All of the above.
Answer: C
Explanation: I think that is the only reasonable answer
How is the nitrogen cycle important to DNA and synthesis of proteins?
Answer:
Once nitrogen is converted into compounds like ammonium and nitrate, these can be taken up from soils by plants and then the nitrogen can be used to form macromolecules like proteins and nucleic acids (DNA and RNA). ... It is an important part of many cells and processes such as amino acids, proteins and even our DNA.
Explanation:
Hope it helps...:)
