True .
In a typical operon, all the genes are regulated by the same regulatory elements, including the repressor, operator, and promoter. These elements coordinate the expression of the genes within the operon.
The repressor binds to the operator to prevent RNA polymerase from transcribing the genes, and the promoter is the site where RNA polymerase binds to initiate transcription when the repressor is not bound.
An operon is a functional unit of DNA that consists of a group of genes controlled by a single promoter and operator. The operator is the regulatory region where a repressor protein can bind to control gene expression.
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Chromatids are held together by a
A spindle fiber.
O
B. centromere.
C. cell plate.
o
D. centriole.
Answer:
cell plate
Explanation:
This process entails the delivery of Golgi-derived and endosomal vesicles carrying cell wall and cell membrane components to the plane of cell division and the subsequent fusion of these vesicles within this plate.
¿Qué puedo hacer para que mis hijos tengan un ambiente sano, alimentos y recursos naturales suficientes?
Answer:
proteger el medio ambiente mediante la utilización de energías renovables, crear conciencia a través del uso sustentable de los recursos naturales, disminuir el consumo, reciclar y fomentar la utilización de compuestos biodegradables
Explanation:
La cultura del descarte en conjunción con el aumento creciente en la población mundial ha conducido a graves problemas ecológicos que afectan actualmente a la sociedad tales como, por ejemplo, el cambio climático, el cual plantea una preocupación muy seria acerca de las condiciones en las que recibirán nuestro planeta jóvenes y futuras generaciones. La mejor manera de garantizar un ambiente limpio, saludable y sostenible es fomentando el uso de energías renovables y simultáneamente reduciendo al mínimo el consumo innecesario de recursos (como por ejemplo, a través del uso eficiente del agua o electrodomésticos de bajo consumo energético). También reciclar materiales, utilizando materiales biodegradables y evitando compuestos no reciclables (tales como plásticos) representan buenas ideas para un mañana sin riesgos ambientales.
what kind of reproduction occuurs with the help of honey bee ?
Answer:
Honey bees actually have two types of reproduction. The first type is the kind we normally think of the queen mates, lays eggs, and new bees are born. The second type is whole-colony reproduction. This occurs when the colony splits into two parts.
Explanation:
how did the frame shift change the amino acid
During translation, the sequence of codons is read in order from the nucleotide sequence to synthesize a chain of amino acids and form a protein.
Therefore, frameshift mutations result in abnormal protein products with an incorrect amino acid sequence that can be either longer or shorter than the normal protein.
Hope this helped!
The question is in the photo. I will give brainlest
Answer:
An allele is a viable DNA (deoxyribonucleic acid) coding that occupies a given locus (position) on a chromosome. Diploid organisms, for example, humans, have paired homologous chromosomes in their somatic cells, and these contain two copies of each gene. ...
Explanation:
I hope this helps!
3. What two paths can a cell take after it has grown?
Answer:
Explanation:In eukaryotic cells, or cells with a nucleus, the stages of the cell cycle are divided into two major phases: interphase and the mitotic (M) phase.
What is Blumenbach's 1775 Classification
Answer:
In the second edition of On the Natural Varieties of Mankind, Blumenbach used Bildungstrieb to explain the degeneration of an original type of human into the five varieties—which he later classified as Caucasian, Mongolian, Malayan, Ethiopian, and American—found around the world
Explanation:
Id.k if this is wat u were looking for so mb if its not
Si fuimos creados para la felicidad ¿Por qué la mayoría de las personas viven sus vidas de manera infeliz? Escribe por las menos 3 razones
Answer: esto se deve a la monotonia por ejemplo el trabajo hacer eso todos los dias es estresante
tambien puede ser devido a problemas personales por ejemplo un divorcio la muerte de algun familiar.
o pueden ser las condiciones de vida que se poseen
Explanation:
Cys
Which amino acid chain will be formed by the codons shown below?
AAG AGA UGU
Messenger
Second base in codon
RNA Codons U
A
G
UUU UCU UAU
U
UGU
Phe
UUC
UAC
UCC
Tyr
U
JUGC
С
Ser
UUA UCA
Leu
UAA Stop UGA Stop LA
UUG UCG UAG Stop UGG Trp G
CUU CCU CAU CGU U
CUC ССС
His
CAC CGC с
CUA
Leu Pro
CCA
Arg
CAA CGA
Gin
CUG CCG CAG CGG
G
AUU ACU AAU
Asn
AGU U
AUC
Ser
Ile ACC
Thr
AAC) AGC
с
AUA
ACA AAA
AGA
Lys
A
AUGStart Me ACG AAG AGG
Arg
G
GUU GCUN GAU
GGU
Asp
GUC
U
GAC
G
Val
Ala
С
GUA GCA
Gly
GAA
А
GUG GCG GAG GGG
First base in codon
soldosolclo soldosole
Sesocolso coloco
Third base in codon
GCC
GGC
Glu GGA
A. Lys-Ser-Cys
B. Asn-Ser-Cys
Answer: for me, i had the choices of
A. Gly Lys Val
B. Glu Lys Cys
C. Gly Lys Cys
D. Glu Lys Val
and C was the correct one
Explanation: this is for ap_x 2.2.4 quiz of February 24th, 2021
2. A lunar eclipse can occur when the Moon is in......in its orbit.
Help me this is from amplify
Answer:
Lunar eclipses can only happen when the Moon is opposite the Sun in the sky, a monthly occurrence we know as a full Moon. But lunar eclipses do not occur every month because the Moon's orbit is tilted five degrees from Earth's orbit around the Sun. Without the tilt, lunar eclipses would occur every month.
A lunar eclipse occurs when the moon moves into the earth's shadow, it occurs when the earth, moon, and sun are close together.
What is a lunar eclipse?When the Moon passes through the shadow of the Earth, a lunar eclipse happens and also depends on the sun.
Only on the night of a full moon when the Moon is close to either lunar node can the Sun, Earth, and Moon be precisely or extremely closely aligned with Earth between the other two.
When the Moon and Sun are on opposing sides of Earth, a total lunar eclipse takes place. When only a portion of the Moon is covered by Earth's shadow, a partial lunar eclipse occurs.
Therefore when the moon moves into the earth's shadow lunar eclipse happens.
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anybody know how to do this?
Answer:
Sorry
Explanation:
Sorry I don’t understand to so I can’t help you
PLS HELP ILL MARK BRAILIEST an explanation of the STRUCTURE of
enzymes. YOU MUST USE THE WORDS ENZYME,
SUBSTRATE, ACTIVE SITE, LOCK AND KEY" and
ENZYME SUBSTRATE COMPLEX.
catalyzed particular chemical reactions – in this case, reactions that broke down the film of eye goo that accumulated on my contacts after a week of use. (Presumably, the reason it stung when I got it in my eyes was that the enzymes would also happily break down eye goo in an intact eye.) In this article, we’ll look in greater depth at what an enzyme is and how it catalyzes a particular chemical reaction.
Enzymes and activation energy
A substance that speeds up a chemical reaction—without being a reactant—is called a catalyst. The catalysts for biochemical reactions that happen in living organisms are called enzymes. Enzymes are usually proteins, though some ribonucleic acid (RNA) molecules act as enzymes too.
Enzymes perform the critical task of lowering a reaction's activation energy—that is, the amount of energy that must be put in for the reaction to begin. Enzymes work by binding to reactant molecules and holding them in such a way that the chemical bond-breaking and bond-forming processes take place more readily.
explain exocrine system??
Answer:
Exocrine: Pertaining to the secretion of a substance out through a duct. The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract. Exocrine is as opposed to endocrine which refers to the secretion of a substance (a hormone) into the bloodstream.
What causes diabetes?
Answer:
Explanation:
When your immune system attacks and destroys the insulin-producing beta cells of the pancreas.
Diabetes is caused by genes and environmental factors around you, such as viruses, that might trigger the disease.
could someone help me with this please
Answer:
3
Explanation:
Recessive traits are...
visible in the organism's phenotype as long as TWO recessive traits are present.
visible in the organism's phenotype as long as ONE recessive trait is present.
Mollusks are invertebrates. What does it
mean when an animal is an invertebrate?
A. They all have shells.
B. They have a backbone.
C. They do not have a backbone.
D. They live in the ocean.
Answer:
c they do not have a backbone
Explanation:
Invertebrates are animals that neither possess nor develop a vertebral column (commonly known as a backbone or spine), derived from the notochord. This includes all animals apart from the subphylum Vertebrata. Familiar examples of invertebrates include arthropods (insects, arachnids, crustaceans, and myriapods), mollusks (chitons, snail, bivalves, squids, and octopuses), annelid (earthworms and leeches), and cnidarians (hydras, jellyfishes, sea anemones, and corals).
Answer:
c
Explanation:
bc i took the test
will mark brainliest please help me
What is the difference between “expressing” and “repressing” and gene?
repressing is a gene and pressing is a gene but both can repress and press
Waves turn rocks into ___________________; it’s erosion.
Answer:
sand?
Explanation:
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when waves turn rocks in to smaller rocks or sand... it's erosion
the organism at location D is the to organisms at location A, B, and C
Answer:
ancestor
Explanation:
Answer:
ancestor
Explanation:
Helppppp ASAAAAAAAP, this is biology
1. tis a system of thunderstorms which are moving around a center.
a. tropical cyclone
b. thunderstorm
c. tsunami
Answer:
B. TROPICAL CYCLONE
Explanation:
I GUESS IT IS CORRECT
the answer is
a. tropical cyclone :)
Explain why it is very important for the gametes to divide by meiosis. What could happen if the gametes accidentally divide by mitosis? can someone answer in a sentence!!
Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination.
Explanation: Gametes are made via meiosis which produces cells with n=23 instead of diploid cells. If gametes were produced instead by mitosis each gamete would be diploid not haploid.
update- I can keep the app but can someone explain what synthesis is please? Ion understand my biology hw
Synthesis pertains to the creation of an object, it is the process of combining 2 or more components to make an entity.
In Biochemistry, it refers to the construction of organic compound in a living thing. Especially aided by enzymes.
What are the 4 steps of Natural Selection?
Answer:
Variation. Organisms (within populations) exhibit individual variation in appearance and behavior. ...
Inheritance. Some traits are consistently passed on from parent to offspring. ...
High rate of population growth. ...
Differential survival and reproduction.
Explanation:
please help me this assignment is due at 9
Answer:
The cell pictured in the diagram is a plant cell because there is are chloroplasts. Chloroplasts are located in plant cells and not in animal cells. Chloroplasts are where photosynthesis occurs, and photosynthesis does not occur in animals.
How could the extinction of plants have caused the extinction of some animals?
What is the process called when two glucose molecules bond together to form a
disaccharide and why is it important.
Answer:
Dehydration reaction (a condensation reaction)disaccharide will provide energy for chemical reactions in the body to take place.
Explanation:
The Condensation Reaction is an organic reaction in which two molecules combine to give a single product accompanied by the formation of a molecule of water H2O. Disaccharides are produced when two monosaccharides are chemically combined. The bond called O-glycosidic, is the bond by which monosaccharides join to form disaccharides or polysaccharides. In this type of bond, an OH group of an anomeric carbon of a monosaccharide reacts with an OH group of another monosaccharide, releasing a water molecule.The main function of disaccharides is to provide energy to the cells of the human body, or glycogen. This is achieved through enzymes that act in the synthesis of the disaccharide, extracting glucose. Among the main and best known enzymes that act in this process are insulin for sucrose, lactase for lactose, and trehalase for trehalose.
help me out girlies its due
Answer:
the stereotype is that all australians are zookeepers? and wear clothes like that.
Explanation:
what is the objective lenses on a microscope for
Answer:
Id.k
Explanation: