the age of the star because just like people as they grow older they become weak and so arr the stars their brilliance fade when they become older.
What's the purpose of the body's immune system?
A To block pathogens from infecting the body
B To fight off infections
D All of the above
Answer:
D. All of the above
Explanation:
Can't see option C, but since the other two options are functions of the immune system, I assume it'd be true. The immune system is meant to protect the body from infections.
Have a great day!
What is the mRNA made from the following DNA.
CGATCG?
(please help!)
A. CGTUCG
B. CGATCG
C. GCTAGC
D. GCUAGC
Answer:
GCUAGC (D)
Explanation:
DNA always consists of A/T and C/G
RNA (mRNA/tRNA always consists of A/U and C/G but never T!
If you have a T in your DNA, your mRNA will have an A.If you have an A in your DNA, your mRNA will have a U.DNA never has a U, but RNA never has a T.
Hope this makes sense!
please help me
What are segments?
Answer:
each of the parts into which something is or may be divided.
8.What attaches muscles to bones?
veins
tendons
ligaments
joints
most common type of arch, loop and whorl?
Answer:
yes
Explanation:
most common pattern being found in 65 to 70 percent of all fingerprints
all of the following are nucleus acids , except
a - adenine
b - iodine
c - guanine
d - cytosine
Answer:
iodine
Explanation:
Iodine is a chemical not a base. There are only 4 nucleus acids and these are adenine, thymine, cytosine and guanine.
You do a serial dilution in the same manner as the one in the video. A plate with a sample volume of 10-6 mL produced 43 colonies. What was the original cell density (CFU)?
Answer: 43 x 10^6 CFU.
Explanation:
Plate count is a method used to determine the number of viable microorganisms in a sample. When the bacterial concentration is high, serial dilutions are carried out in a 1:10 sequence. Then, the dilutions are successive dilutions keeping the dilution factor constant at each step. Small aliquots of these dilutions are seeded in medium contained in a Petri dish where the bacteria grow forming colonies. Then the plates are incubated and colonies develop both within the agar and on the surface.
If the concentration of the seeded aliquot is too high, the bacteria will grow too much and it will not be possible to distinguish the colonies. However, if the concentration is very low, the number of colony forming units (CFU) may be very low and thus can be counted.
Colony forming units are calculated:
CFU = Number of colonies / (volume seeded on the plate * dilution).
The dilution is 10^-6, the number of colonies counted is 43, and usually the volume plated is 0.1 mL, so we replace that in the equation:
CFU= 43 / (0.1 mL * 10^-6)
CFU= 43000000 = 43 x 10^6
Why are stabilizing proteins neeed to keep the DNA strands separated?
Single-stranded DNA-binding proteins are protected exactly tightly to DNA, but with extremely little carefulness for individual nucleotide sequences.
What is DNA?
They accomplish this by interacting strongly with the DNA backbone, via hydrogen bonds with the ribose and phosphates and complementary control interactions with the phosphates.
When the Proteins of DNA Replication DNA Helicases. These proteins attach to the double-stranded DNA and facilitate the separation of the two strands. DNA single-stranded critical proteins.
Although, These proteins bind to the DNA as a stable tetramer the single-stranded structure is produced by the action of the helicases.
Single-stranded DNA-binding proteins (e.g., [RFA] eukaryotic replication factor A) then stabilize the decompressed template DNA, maintaining it in an extended single-stranded state so that it can be simulated by the polymerase.
Find more information about DNA here:
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Select the item(s) that describe a producer.
1.takes energy from the sun
2.helps rot dead organisms
3.fungus
4.tall grass
5.food is mostly animal
6.plant eater
multiple choice
Answer:
3. fungus
4. tall grass
5. food is mostly animal
What is the yellow structure, and what role does it play in a cell??
Answer:
Storage of fat
Explanation:
I am very sorry if I'm wrong ✿✿✿
thinks mrs. Clack that finned tetrapods developed "hands" before or after migrating to land
Answer:
what am i supposed to anwser? should I prove her wrong?
Explanation:
what is a tumor and what does it have to do with mitosis
ASAP
will give brainliest
Answer:
Tumors constantly undergo mitosis.
Explanation:
Tumors are (generally) considered to be cancerous; therefore, they divide uncontrollably. Tumors undergo mitosis just like any other cell in your body but can be dangerous over time if not dealt with.
Answer:
What is cancer and what does it have to do with mitosis?
Cancer: mitosis out of control
Mitosis is closely controlled by the genes inside every cell. Sometimes this control can go wrong. If that happens in just a single cell, it can replicate itself to make new cells that are also out of control. These are cancer cells.
Explanation:
Forgive me if my answer is wrong and please give me BRAINLEST I really need them just give me 5 star rating to give me BRAINLEST
PLZZ HELP!
In what organelle is the genetic material found inside?
Question 3 options:
Golgi Apparatus
Nucleus
Ribosome
Mitochondria
Answer:
nucleus is the answer your welcome
Answer:
nucleus
Explanation:
Im taking the test now
The childhood viral disease associated with skin blisters and mild fever is _____.
polio
rubella
mumps
chicken pox
Which statement describes how the atmosphere gains energy by convection?(1 point)
Air warmed by the ground rises.
The ground warms the air just above it.
Solar energy warms gases that make up the air.
Energy moves from the clouds to the air.
The statement that describes how the atmosphere gains energy by convection is : Air warmed by ground rises ( A )
The rising warm air from the ground into the atmosphere explains the exchange of heat energy from the ground into the atmosphere through convection and this possible due the variation in density and temperature of the ground air and the atmospheric air.
What is ConvectionConvection is the transfer of heat energy through the movement of a medium such as air or water from one region to another. convection can occur as :
Natural convection Forced convectionHence we can conclude that The statement that describes how the atmosphere gains energy by convection is Air warmed by ground rises
Learn more about convection : https://brainly.com/question/9382711
Draw a line representing the rise and a line Representing the run of the line. state the slope of the line in simplest form
Describe how proteins form (polypeptide)
Answer: Atoms were created after the Big Bang 13.7 billion years ago. As the hot, dense new universe cooled, conditions became suitable for quarks and electrons to form. Quarks came together to form protons and neutrons, and these particles combined into nuclei.
Answer:
Within a protein, multiple amino acids are linked together by peptide bonds, thereby forming a long chain. Peptide bonds are formed by a biochemical reaction that extracts a water molecule as it joins the amino group of one amino acid to the carboxyl group of a neighboring amino acid.
1. name the mutation
original strand of dna:AATCGTC
mutated strand of dna:TAATCGTC
Answer:
Insertion
Explanation:
An insertion is the addition of one or more nucleotide base pairs into a DNA sequence.
In this case, T was added to the strand
1 point
Which explanation best identifies the relationship between mitosis and
reproduction? *
Mitosis is a form of sexual reproduction because the daughter cells form from one
single parent cell.
Mitosis is a form of sexual reproduction because the daughter cells are genetically
different from the parent cell.
Mitosis is a form of asexual reproduction because the daughter cells form a new
nuclear membrane after reproduction
Mitosis is a form of a sexual reproduction because the daughter cells are genetically
identical to the parent cell.
Answer:
Mitosis is a form of sexual reproduction because the daughter cells are genetically identical to the parent cell.
Explanation:
If you look up your question, it will give this exact answer.
How do adult drones differ from adult worker ants?
a. Drones have wings; workers don't
b. Drones have eight legs; workers have six
c. Drones lack exoskeletons; workers have them
d. Drones have simple eyes; workers have compound
eyes
Answer:
a. Drones have wings; workers don't
Explanation:
"Flying ants may be male (the drone) or female (the queen)."
ILL GIVE U BRAINLYIST
Answer:
D.
Explanation:
That is where it demonstrates how the word is said. it's easy to identify this because the pronunciation always comes right after the word itself in the definition.
Answer:hbhh
FffcffExplanation:
What change caused the rate of population growth to increase around point C?
Answer:
point c
Explanation:
Why do cells need to transport molecules?
Answer:
its the cell membrane
Explanation:
heres gogle support but i also did this in class
What type of materials need to be transported out of the cell?
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Answer:
porque le permite expulsar de su interior los desechos del metabolismo, también el movimiento de sustancias que sintetiza como hormonas.
Explanation:
PLS HELP!!!! 10PTS
Reproduction is not a life process still organisms spend a lot of energy on it. Give reason.
Answer:
Reproduction is not a life process, but still organisms spend a lot of energy on it. ... The reproduction is not necessary to ensure living but it is required to ensure that the continuation of the living organisms and generations of the next cycle of living. It is necessary for ensuring the stability of the population.
Reproduction also helps in increasing the population of the species. All the processes which are necessary to maintain life in an organism are called life processes. Reproduction is not considered a life process because it is not necessary to maintain life.
Structure that display characteristic of living organisms only within living cells
this is the answer I hope it helps u
Can someone help me fill in the blanks. Thank you.
Answer:
1) fungi
2) tubers
3)bulbs
4) unequally
5) cuttings
6)equally
7)root
8) mitosis
this my knowledge on this questions...hope i helped!
PLEASE HELP THE ASSIGNMENTS DUE TODAY
Which of the following statements about human population growth is TRUE?
(2 Points)
a. The population size is growing, and growth rate is increasing.
b. The population size is growing, and growth rate is decreasing.
c. The population size is decreasing, and growth rate is increasing.
d. None of these is true.
Answer:
The population size is growing, and growth rate is increasing
Answer: a
Explanation:
which best represents a heterogeneous mixture
Answer:
cement and water represent the best heterogenous mixture
how does acid rain affect an ecosystem?
Answer:
The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes
Explanation:
Hope this helped <3
Question 1
Which of the following can convert nitrogen in the air into a form plants can use?
A
bacteria
B
fungi
C
animals
D
protists
Bacteria can convert nitrogen in the air into a form plants can use.
The earth atmosphere contain a huge amount of oxygen which is needed by plants. These Nitrogen can be converted into a form in which can be used by plants through a process known as nitrogen fixation.
Fixation is a process that converts nitrogen in the atmosphere into forms in which plants can use. Nitrogen can be fixed using fertilizer.
Also, bacteria can fix nitrogen into the soil naturally.
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