Answer:
TRUEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
Explanation:
Answer:
true
Explanation:
they are much bigger than the terrestial planets
Binding of the lac repressor protein to the lac operator is regulated allosterically. This means that the presence of a specific small molecule that binds to the lac repressor controls whether the repressor can bind to the lac operator, and therefore whether the operon is turned on or off. Can you sort the following conditions based on whether they are associated with the lac operon being turned ON or turned OFF?
a. Allolactose is absent
b. Allolactose is present
c. RNA polymerase cannot transcribe the operan genes
d. The lac repressor protein cannot bind to the lac operator
Answer:
a. OFF
b. ON
c. OFF
d. ON
Explanation:
Allosteric regulation is a process by which a particular molecule activates or inhibits an enzyme, by binding to a site different from the active site of the enzyme. Allolactose is a disaccharide that binds to the allosteric site of the lac repressor protein, triggering a conformational change in the protein that prevents the binding of this repressor to DNA. Moreover, RNA polymerase (RNA pol) is an enzyme required for the process of transcription, and therefore when this enzyme cannot bind to operon genes the lac operon is being turned OFF. Finally, the lac operator is a nucleotide sequence where RNA pol binds, and the lac repressor binds to the lac operator in order to block the transcription of the lac operon.
Sum It Up
3. There are multiple types of mutations in DNA.
mutations occur when a single base is
changed to a different base pair.
mutations remove one or more bases from a segment of DNA,
resulting in a frameshift mutation.
mutations are also considered frameshift mutations, and occur when
one or more extra bases are added to a segment of DNA.
Check Answer
Answer:
substitution, deletion, insertion (in that order)
Explanation:
I did the assignment-
Mutations occur when a single base is changed to a different base pair; mutations remove one or more bases from a segment of DNA, resulting in a frameshift mutation, so this is also correct in other statements.
What is the significance of the DNA mutation?Mutations in DNA lie in their ability to alter the genetic information, and that altered information is passed on to next generations while Some mutations have no effect on the function of the proteins, but some have serious effects. It helps in the evolution process by providing a mechanism for the development of new traits, etc., in nature, so it has a significant role in it.
Hence, mutations occur when a single base is changed to a different base pair; mutations remove one or more bases from a segment of DNA, resulting in a frameshift mutation, so this is also correct in other statements.
Learn more about the DNA mutation here.
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Question 16 (2 points)
If a wave is traveling at a constant speed, and the frequency increases, what would happen to the wavelength? (2 points)
Oa
It would increase.
Oь
It would decrease.
Ос
It would remain constant.
Od
It would drop to zero.
Answer:
A
Explanation:
When frequency increases so does the wavelength
Answer:
The correct answer is B. It would decrease.
Explanation:
I chose answer A. on my test and got it wrong. The correct answer was shown to me as B. Good Luck!!
Consider your knowledge about the cell membrane and check all of the true statements below.
only animals have a cell membrane
The true statements are the phospholipid bilayers that surround all the eukaryotic cells. Both the plant and the animal cell membranes are considered to have fluid mosaics. Thus options B and D are correct.
What is a cell membrane?A cell membrane is a plasma membrane and is found in all cells and separated by in the interior of the cell from the outside of the environment. The cells consist of a liquid bilateral layer. Ths results the transportation that arrives from the cells.
Find out more information about the cell membrane.
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Please help fasttttt!!!!!
7 Identify What type of eclipse is shown in
the diagram?
Answer:
I dont know
Explanation:
I need points :)
discuss why apes are considered the most closely related organisms to humans. Use evidence to back up your answer.
Answer:
Apes are considered the most closely related organisms to humans because we share so much dna. For example, we share 99% of our DNA with Chimpanzees. On average, human beings share 65% of our dna with other mammals but apes are a much higher percentage, on average in the higher 90's.
Explanation:
interpreting graphics the biodiversity hot spots shown in figure 9 share several characteristics besides a great number of species. look at the map, and name many as many shared characteristics as you can.
How can you use genetics to study human inheritance?
Answer:
by analyzing how genes influence the development of phenotypic traits, i.e., by determining the association between phenotypic traits and changes in DNA sequence
Explanation:
Genetics is a discipline that studies how genetic variation, i.e., the variation in the Deoxiriibunicleinc acid (DNA) molecule, is associated with the transmission of heredity, and how the environment influences this process. The DNA is a molecule that carries the instructions to perform all metabolic functions (eg., reproduction, development, growth, etc). Thus, advancements in genetics enabled us to decipher how phenotypic traits pass from parents/ancestors to their offspring/descendence. Genes are segments of DNA that carry the information (genetic information) to determine each phenotypic trait. During reproduction, genes are passed from one generation to the next, thereby transmitting this information across generations.
How are bees vital to our ecosystem? Describe what could happen if bees were to disappear from ecosystem Earth and what the consequences would be. In general, use WHO, WHAT, WHEN, WHERE, and WHY “are bees” DYING off. Lastly, how could We as humans integrate Bee hives efficiency in our own society?
Answer:
They are pollinators.
Explanation:
Bees are vital to our ecosystem because they are pollinators and due to this pollination, these bees are responsible for the presence of trees, shrubs and other small plants etc. if bees were to disappear from ecosystem Earth then the whole world is adversely affected because trees can't produces fruits and seeds so after sometime animals die due to unavailability of food. Human activities are responsible for the death of these bees because human activities causes pollution which is not good for bees. We have to make a safe place for bees and grow as many flowers as you can in order to increase their population.
As part of a forensic analysis, you have been asked to determine an individual's ancestry using skeletal indicators. The metric measurements you collect indicate that the individual is of European ancestry, but you see several nonmetric traits in the cranium that are typically found in individuals of Asian ancestry. Why might the two methods give different results
Answer:
Due to difference in the methods that is used for analysis.
Explanation:
The two methods give different results because we used two different types of measurements i. e. metric measurement and nonmetric traits. In the metric measurement, we calculate the quantitative character of an individual that gives information about the current status of an individual, while on the other hand, in non-metric traits refers to the method which is used to evaluate genetic connections within and between populations that were present in the past.
A scientist noticed that in acidic pond water some salamanders developed with curved spines. This was an example of a(n)
А
research
o
B
inference.
о
С
observation
D
hypothesis
Answer:
С observation
Explanation:
This mode of investigation is an example of observation.
Observations are carried out using our senses and keen inquisitiveness. It can take place within a short period of time or an extended duration.
So; noticing the change in shape of the salamanders is making an observation.
Our sight, smell, taste e.tc are all observational tools.
Answer:
С. observation
Explanation:
Hope this will help
What are the products when a DNA molecule replicates?
A two molecules of DNA each made of a paired sequence of bases
B two molecules of DNA each made of a paired sequence of nucleotides
C two strands of DNA each made of a paired sequence of bases
D two strands of DNA each made of a paired sequence of nucleotides
(Its NOT c.)
The products when a DNA molecule replicates are two molecules of DNA each made of a paired sequence of nucleotides. The correct option is B.
What is DNA replication?A double-stranded DNA molecule is copied to create two identical DNA molecules through the process of DNA replication.
Because every time a cell splits, the two new daughter cells must have the same genetic material, or DNA, as the parent cell, replication is a crucial process.
Before dividing, cells must copy their DNA. This promotes successful inheritance of genetic features by giving each daughter cell a copy of the genome.
The fundamental mechanism of DNA replication is similar across all organisms, making it a crucial operation.
Two DNA molecules, each consisting of a paired sequence of nucleotides, are produced when a DNA molecule duplicates.
Thus, the correct option is B.
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How does cell division relate to the process of asexual reproduction ?
Answer:
sexual reproduction occurs by cell division during mitosis to produce two or more genetically identical offspring. Sexual reproduction occurs by the release of haploid gametes (e.g., sperm and egg cells) that fuse to produce a zygote with genetic characteristics contributed by both of the parent organisms.
Explanation:
hope you like my ans
3. Which of these methods uses rock layer and bones to support the
theory of evolution? *
20 points
a. Embryology
b. Biogeography
c. Molecular biology
d. Fossil record
Answer:
D fossil record
Explanation:
Depending on what layer of earth the fossil was recorded then they could determine a rough date. Then they would use carbon dating to be more exact.
Answer: B.
Explanation: well, I'm just thinking it is?
Double stranded is a characteristic of
1. DNA
2. RNA
3. Both DNA and RNA
4. Neither
Every cell has 3 billion DNA base pairs. How does this long strand of DNA fit into a nucleus?
Answer: These DNA though is long, it is small. it would be half-squished in the nucleus. Because it is half squished, that is why they can be infected by viruses.
This answer not be correct, by the book i read said so.
Which of the following structures provides support and movement ?
A. Heart and skin.
B. Nerves and brain
C. Lungs and spine.
D. Bones and muscles
Help please with 4 super easy
Answer:
A Air pressure
Explanation:
10. Imagine a seesaw, like on a children's playground. Which of the following drawings of a seesaw best represents equilibrium? Explain. help pleaseee
Answer:
the first one
Explanation:
equilibrium- a state of physical balance.
so the first one looks the most balanced on both sides
Also if you look up "equilibrium seesaw" you see pictures that look similar to the first one
The...........is also known as the tympanum.
1)eardrum
2)stapes
3)cochlea
4)malleus
Answer and I will give you brainiliest
Answer:
1
djdhdbbdbdbsbdbdbsb
What are the consequences of not having tall trees in the Great Plains?
Answer:
High evaporation and low rainfall makes it difficult for trees to grow on the Great Plains. Only along the river bottoms can most trees grow successfully in the natural way.
Explanation:
Scientists have discovered convection
currents inside Earth. Explain how these
convection currents move and what layer(s)
they occur in.
Answer:
The convection currents move in a slow churning motion
Explanation:
This movement happen in the mantle which includes the lithosphere, the Asthenosphere, and the mesosphere
What affect do you think a locust swarm would have on the flow of energy through the food web when they pass through an area?
DNA is wrapped together to form structures called what?
-Chloroplasts
-Chloroplhyll
-Chromosomes
Answer:
Chromosomes
Explanation:
Chlorophyll and chloroplasts are both something plants create.
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. So chromosomes
What was difficult about measuring the 3x5 card? Why?
Answer:
can you give me some answers
Explanation:
what is the difference between a disease and an infection
Answer:
disease occur when the cells in your body are damaged and multiplies and infection occurs when bacteria is there.
hopefully this helps.
What is one of the causes of mechanical weathering?
A. acid rain
B. oodation
C. animal actions
D. carbon dioxide
Answer:
answer is A hope it helps if it dont what can i help you with later.
Explanation:
When did time begin?
Answer:
13.7 billion years ago
Explanation:
Answer:
That was billions of years ago.
Helppp me!!!!! ASAP
Please answer fast!
Answer:
C
Explanation: