Answer:
A cell cycle is a series of events that takes place in a cell as it grows and divides
Explanation:
Select all the statements that specifically give evidence that HIV is a retrovirus.
A. The genetic information is copied from RNA to DNA.
B. The genetic information is inserted into the DNA of the host cell, where it may
remain inactive for many cell cycles and become activated later.
C. The genetic information is transcribed and translated into new viral parts.
D. The parts assemble into new viruses and burst from the host cell.
Answer:
C
Explanation:
The cell walls of bacterial cells and plant cells function inmoving organelles throughout the cell.
modifying lipids and proteins.
producing the cytoskeleton.
maintaining cell shape.
containing DNA.
Answer:modifying lipids and protiens
Explanation:
why is it easy for a virus to mutate?
Answer:
Viruses mutate very quickly The major reason that viruses evolve faster than say, mosquitoes or snakes or bed bugs, is because they multiply faster than other organisms. And that means every new individual is an opportunity for new mutations as they make a copy of their genetic material. Many of those mutations have no noticeable effect.
Explanation:
Which of the following is similar among all living organisms on Earth?
A.
social behavior
В.
cellular function
C. physical appearance
D.
all of these
Answer: B
Explanation:
Match the costs to their respective categories.
raw materials
machinery
by-products
employees
odor arising from
production
Internal Costs
External Costs
Answer:
odor rising from production internal costs
Answer:
internal costs
raw materials
employees
machinery
external costs
odor arising from production
by-products
Oxygen has 17 known isotopes. The atomic number of oxygen -16 is 8. What can you tell me with this information about isotopes of oxygen?
Answer:
slwug
Explanation:
jrjdhdhdhdhdbdhdhdhdhdhdhdhd
What is the primary function of dermal tissue?
water storage
protection
nutrient transport
support
Answer:
Primary dermal tissues, called epidermis, make up the outer layer of all plant organs (e.g., stems, roots, leaves, flowers). They help deter excess water loss and invasion by insects and microorganisms. The vascular tissues are of two kinds: water-transporting xylem and food-transporting phloem.
For a quick simple answer, it's nutrient transport.
What type of chemical reactions only occur if there is an input of energy?
Answer:
Synthesis reactions
Explanation:
"Synthesis reactions bond reactants together, a process that requires energy, whereas decomposition reactions break the bonds within a reactant and thereby release energy." :)
When did the reign of terror end ?
Answer:
July 28th, 1794
Answer:July 28, 1794
Explanation:
Hope it helps
What controls the ratio of the two isotopes in foraminifera shells?
A. The temperature of the water
B. The salts in the water
C. Water pressure
D. Radiation
Answer:
A. the temp of the water
Explanation:
a sediment core from the JOIDES Resolution, an ocean-going ship that has collected many sediment cores that record Earth’s past climate.
The ratio of the two isotopes in foraminifera shells is affected by temperature.
What is temperature?Temperature is the degree of coldness or hotness of an object or a particular place.
Isotopes are atoms of the same element with different masses.
The factors affecting the ratio of isotopes of elements depends on the Half-Life of the isotopes as well as temperature.
Temperature will make the rate of decomposition reaction faster.
The ratio of the two isotopes in foraminifera shells is affected by temperature.
Learn more about isotopes at: https://brainly.com/question/14220416
Why would competition among individuals within a deer population increase during a winter season?
A. Many plants die and less vegetation is available.
B. The winter season has produced an abundance of food.
C. Many individual deer have emigrated.
D. The population has suffered a crash as a result of attack by predators.
Answer:
A. many plants die and less vegetation is available
Explanation:
Therefore, they have to increase competition for scarcer resources.
What event accompanies energy absorption by chlorophyll (or other pigment molecules) of the photosystems
Answer:
an electron is exited
Explanation:
as the electrons are released into the system of electron carriers involved with photosystem two, they lose their energy
How do the structures of the cardiac muscle and skin tissue support their functions within the body? (Hint: Think abou
Answer:
See below
Explanation:
The structure of the cell is very much linked with the functions of the cell. The cardiac muscle is made of the myocardium which serves the body by providing the blood, nutrients and oxygen. The cardiac muscles appear striped when seen under a microscope.
The skin consists of the tissues and cells which are close enough to create a boundary that does not allow the entry of materials and pathogens inside the body.
Hence, the function and the morphology of the cells are somewhere related to each other.
Why are certain bacterial infections difficult to treat with antibiotics?
Answer:
When the Bacteria becomes resistant, the germs spread and grow. In some cases they can they can spread the resistance onto other bacteria's
Explanation:
Which one of the following statements is TRUE regarding bone?
Answer:
Where are the statements my friend so i can help you?????
Explanation:
Kubusse. Fig. A Fig. B Fig. C ANSWER: ANTWOORD Choose: / Kies Figure A, B or C/ Figuur A, B or C. QUESTION / VRAAG 2.1 What Figure has the greatest volume? Watter figuur het die grootste volume? 2.2. What figure has the greatest surface area? Watter figuur het die grootste oppervlakte? 2.3 2.4 What figure has the greatest surface area : volume ratio? Watter figuur het die grootste oppervlakte : volume verhouding? If each cube represents a cell. What figure will be the most efficient of transporting materials into and out of the cell? Indien elke kubus 'n sel verteenwoordig, watter figuur sal die meest efektiefste wees om stowwe in en uit die sel te vervoer? ( 4)
Answer:
1a
2c
3b
4d
5a
Explanation:
make me brainless
What controls the cell cycle at key checkpoints?
Answer:
Two groups of proteins called cyclins and cyclin-dependent kinases (Cdks), are responsible for the progress of the cell through the various checkpoints. The levels of the four cyclin proteins fluctuate throughout the cell cycle in a predictable pattern
Explanation:
I hope this helped you!
I have two questions .
Earth Science
Answer:
here's some thoughts
Explanation:
Glaciers cut through rock and deposit the sediments as they melt.
In Connecticut, Long Island Sound was created by glaciers. Glaciers created a natural barrier between the ocean and the land. Almost like a moat protecting a castle.
There are many large boulders in cities around Connecticut that were left behind after the ice melted away. The Connecticut River Valley was cut by a glacier.
what are the limitations of the cell theory?
Answer:
Viruses are a limitation to cell theory
Explanation:
According to cell theory, all cells arise from pre - existing cells. But viruses lack any membranes and do not show the characteristics of life unless they enter a living body and use its cell machinery to multiply.
Describe what you think about eating or consuming genetically modified foods.
Include a brief explanation of the research points that influenced your opinion.
Answer:
I think that GMOs don't provide a threat to humans. According to Kurzguzat - In a Nutshell, the "pests" that are engineered into the plant aren't actually harmful to humans. This is called a BT protein and doesn't hurt humans. There were eggplants in Bangladesh that kept getting destroyed by pests, and the genetically modified plant stopped the farmers from using massive amounts of pesticides on the plants.
Explanation:
collagen is living or nonliving?
Answer:
The answer is nonliving.
which fossil record would likely show more diversity in-living organisms of marine organisms?
Answer:
The correct answer is desert-dwelling species.
Explanation:
Any preserved remains, trace or impression of anything, which was once living in the past is termed as a fossil. The examples of fossils comprise stone imprints of microbes or animals, bones, exoskeletons, shells, coral, remnants of DNA, the substances getting preserved in amber, and others.
For the formation of fossils, the most essential condition is decomposition that takes place gradually, that is, at a slow pace. Thus, places like wet marshy areas will be the locations where the maximum of the fossils can be found as such places provide optimum conditions for slow mineralization and decomposition of bones.
what are the two basic parts of a plant
Answer:
the shoot and root systems
Explanation:
A plant is made up of two basic parts, the shoot and root systems. Within each system you will find more complex anatomy. On the shoot system, the stem, leaves, flowers, and fruit can be seen
describing the action potential and its phases
An action potential is caused by either threshold or suprathreshold stimuli upon a neuron. It consists of four phases; hypopolarization, depolarization, overshoot, and repolarization. An action potential propagates along the cell membrane of an axon until it reaches the terminal button.
Based on this information, what can you conclude about tissues? A. All tissues in the body have similar functions. B. All tissues band together to form cells. C. Each type of tissue has a different function. D. Some tissues are more important than others.
Answer: Each kind of tissue has a different function
Explanation:
Our tissues are divided into four types: epithelial, connective, muscular, and nervous. The structure of each type of tissue differs from one another, which determines its function.
please help biology!!!
1. The color of a substance is a
______
Answer:
pigment
Explanation:
A pigment is a substance occurring either in plant tissue or animal tissue and producing a characteristic colour, such as chlorophyll in green plants and haemoglobin in red blood.
Which of the following correctly shows a prairie food chain?
grass, grasshopper, lizard, hawk
hawk, grasshopper, lizard, grass
snake, grasshopper, hawk, grass
grasshopper, grass, snake, hawk
Answer:
A - Grass, Grasshopper, Lizard, and Hawk
Explanation:
Grass will start first because it is the producer, then Grasshopper, Lizard and Hawk. It is like going from smallest to biggest.
A biology student is writing a research paper about different bear species.
He begins by writing that all bears belong to the Class Mammalia, Order
Carnivora, and the Family Ursidae. Which scientific aspect of bears is he
writing about?
1.Embryology
2.Comparative Anatomy
3.Taxonomy
4.Molecular Biology
The scientific aspect of the bears he is writing about is taxonomy.
What is the concept of taxonomy?Taxonomy is, by
DefinitionClassificationSystematic.The rescue of taxonomy in information systems considers the systematic unit (taxon) no longer family, genus, species, but concepts. Here, the classes are presented in a logical order, also supported by classificatory principles.
With this information, we can conclude that the scientific aspect of the bears he is writing about, is the Taxonomy.
Learn more about taxon in brainly.com/question/367202
Englo
Unit Test
Ur Test Active
2
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TIME REMAINING
01:53:24
Sopria was stucying with Maalik about the layers of the Earth. They were given several different statements about the
Which statement about the layers would they identify as correct?
The outer core is less than 70 km in thickness.
The crust assists informing Earth's magnetic field.
The mantie is derser than the crust
O Pressure increases when moving from the core to the crust.
Answer:
I think the answer is B
Explanation:
Sorry If I got it wrong -w-
Answer:
its b
Explanation: