Biology College

Which line
represents
constant speed?

Which Linerepresentsconstant Speed?

Answers

Answer 1

Answer:

b

Explanation:

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Biology I Mid-Year-Assessment (2020-2021)
Question: 1-4
Biological macromolecules are organized into four major categories. What type of macromolecule contains phosphorus as part of a phosphate group?
SC.912.L.18.1
lipids
proteins
nucleic acids
O carbohydrates

Answers

Answer: C nucleic acids

Explanation:

I took it on quizz already in my class so the answer C

Answer: nucleic acids

Explanation: i took the test

Transcribe this dna : TATGCGAAA

Answers

This should be right! Assuming it’s DNA and not RNA! UAU GCG AAA

Answer:

ATACGCTTT

Explanation:

DNA has the bases Adenine, Thymine, Guanine, and Cytosine

*Uracil is in RNA

Which observation is evidence of refraction in this photo

Answers

Where is the photo????

Shelled protozoans become a part of _________________ layers

Answers

Shelled protozoans became part of 7 layers

The graph shows the effect of pH on the rate of reaction to three different enzymes. What does the graph show?

Answers

Answer:

Regarding the effect of pH on the reaction rate of three different enzymes, what the graph shows is that each enzyme works better at different pH (option A).

Explanation:

Enzymes are specialized protein molecules whose function is to contribute to faster reactions with lower activation energy. To fulfill this function, enzymes must be in an optimal range of temperature and pH.

The graph shows three enzymes, one in an acidic medium, one in a neutral medium and one in a basic medium. The reaction rate of each enzyme is similar, indicating that each is working at an optimum pH. The best interpretation that can be drawn from the graph is that each enzyme works best at a different pH.

The other options are not correct because:

    B. The variable "temperature" is not included in the graph.

    C and D. Since the comparison of the reaction rate of a single enzyme at different pH is not being made, the graph is not useful to indicate whether an enzyme works better in acidic or basic conditions.

Write out the opposite strand of DNA
A T T G C G C G G A T T

Answers

Answer:

TAACGCGCCTAA

Explanation:

A's change to T's

G's change to C's  and so on and so forth

T A A C G C G C C T A A............

CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST THANK YOU

Answers

Answer:

genetic engineering

Source: star trek

Answer:

genetic engineering also known as gmo

Explanation:

hope this helps

Which of the following is true of sewage treatment plants in the United States?
A
They release wastewater before solids are removed from the sewage.
B
They use stormwater runoff to assist in the treatment process
с
They are not designed to remove pharmaceutical chemicals from wastewater.
D
They have largely eliminated cultural eutrophication in Chesapeake Bay
E
They release wastewater that is not regulated by the Clean Water Act.

Answers

E is the best answer

The statement 'they are not designed to remove pharmaceutical chemicals from wastewater' is TRUE of sewage treatment plants in the United States (Option c).

What is sewage treatment?

Sewage treatment refers to the procedures used to remove pollutants and contaminated substances from wastewater.

The sewage treatment is usually performed by specific treatment plants capable of eliminating different types of impurities from wastewater.

Subsequently, treated water can then be newly discharged into the environment (e.g., water bodies) for its reuse.

In conclusion, the statement 'they are not designed to remove pharmaceutical chemicals from wastewater' is TRUE of sewage treatment plants in the United States (Option c).

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If you cut your knee, pus, which is caused by _____, may form.

blood cells losing their hemoglobin
medicinal material excreted by macrophages
pathogens trying to infect the area
the death of macrophages

Answers

Answer:

The last one

Explanation:

which two processes would most likely cause metamorphic rocks to change into sediments

Answers

Answer:

Erosion and weathering

Explanation:

Answer:

pressure

Explanation:

This fossil from the Jurassic period looks much like
we find on Earth today.
A)
ferns
B)
fish
snails
D)
starfish

Answers

it looks much like ferns

To add on to that fossils of snail and starfish would be much much much bigger

5. Explain why an artery is an organ.


Answers

Answer:

Arteries are blood vessels that carry oxygenated blood away from the heart. Their walls are composed of three layers called the tunica intima, tunica media, and the tunica adventitia, which all have different cellular structures and compositions.

Explanation:

Similarly, organs are defined are being a collection of tissues, which are joined in a structural unit to serve a common function.An artery is made up of several types of tissues including: Elastic tissue - this evens out the pressure changes in the vessel when the heart ventricles contract, by stretching and recoiling ...

Bleeding from a small cut soon stops due to the release of
enzymes from

1) Platelets
2) Activated Antibodies
3) Hemoglobin
4) White blood cells

Answers

Answer: 4) white blood cells

Explanation:

The bleeding from a small cut soon stops due to the release of platelets. Hence, option 1 is the correct answer. These are cell fragments of megakaryocytes.

What is a blood clot?

When there is a cut, blood comes out of that organ. To prevent blood loss, the body has certain mechanisms. This mechanism is called blood clotting.

In the blood, different cells are present. Red blood cells (RBC), white blood cells (WBC), and megakaryocytes are present in the blood. The red blood cells supply oxygen to the different tissues. It consists of hemoglobin. The white blood cells protect the body from pathogens. Eosinophils, neutrophils, basophils, monocytes, etc. are white blood cells ( WBC) 

Megakaryocytes are the cells that form platelets. These platelets are cell fragments of megakaryocytes. When a cut occurs, these platelets come to the site along with other clotting factors such as fibrinogen to form a network-like structure. Due to this network, the blood cells can't come out, and blood loss stops.

Hence, option 1 is the correct answer as platelets prevents the blood loss. Other options are incorrect.

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7. What are the reactants of the Krebs cycle? (select all that apply)
oxygen
glucose
FADH2
pyruvate
carbon dioxide
ATP
lactic acid

Answers

Answer:

co2 pyruvate atp fadh2

Explanation:

Which of the following statements about prokaryotic cells is correct?

A) They reproduce asexually through a form of cell division called binary fission.
B) They contain multiple chromosomes floating in the cytoplasm.
C) They have a single DNA strand within a membrane-bound nucleus.
D) They reproduce sexually by exchanging genetic information during conjugation.

Answers

Answer:

A) They reproduce asexually through a form of cell division called binary fission.

Explanation:

It's similar to mitosis in eukaryotic cells

is it true that we see color because of the sun

Answers

Yes.

The sun emits all colors of the rainbow more or less evenly and in physics, we call this combination "white". That is why we can see so many different colors in the natural world under the illumination of sunlight. If sunlight were purely green, then everything outside would look green or dark.

Abe
is an interference in the channel of communication
a а. Source
b. Feedforward
C Feedback
d. Noise
Please select the best answer from the choices provided
A
B
C
D

Answers

Answer:

i think the answer is A source

Which substance is hydrophilic? Cellulose, testosterone, butter, cholesterol

Answers

cellulose is hydrophobic
Cellulose, is the correct answer.

Speculate whether Type I or III survivorship is more typical of early or late succession in ecosystems and which population age-structure (rapid growth or zero/negative growth) is more typical of early or late succession.

Answers

Answer:

On the basis of the given information:

Type I survivorship curves - high survival rate through most of life, large organism, long life span, slow development, and few protected progeny. Slower growing organisms are present and typically of late succession

Type III survivorship curves - juvenile mortality, but live for a long time, less parental care, smaller animal, early reproduction smaller body structure. In the early succession, this type of survivorship is more common.

In regard to actin(the thin filaments) and myosin (the thick filaments), how do
muscles contract?

Answers

The globular heads of myosin tie actin, framing cross-spans between the good and bad fibers. This development slides the actin fibers from the two sides of the sarcomere toward the M line, shortening the sarcomere and bringing about muscle withdrawal.

Which of the following best describes osmosis?
Select one:

a.
Osmosis is the active transport of water across a membrane toward an area with a higher concentration of larger molecules.

b.
Osmosis is the spontaneous movement of water across a membrane toward an area with a lower concentration of larger molecules.

c.
Osmosis is the spontaneous movement of water across a membrane toward an area with a higher concentration of larger molecules.

d.
Osmosis is the active transport of water across a membrane toward an area with a lower concentration of larger molecules.

Answers

I believe it’s either A or D. I’m thinking it’s a.. it’s higher to lower I think

Osmosis is the type of passive diffusion in which, solvent molecules move from, a lower concentration of solute particles to a higher concentration of solute particles through a semipermeable membrane, hence option C is correct.

What is osmosis?

It is the kind of passive transport that allows the transport of only solvent particles through the semipermeable membrane, on each side of the membrane concentration of solvent and solute particles having different concentrations.

It is not an active transport and does not require energy, the process is running till the equilibrium is reached at both sides of the membrane. it defines as the spontaneous movement of water.

Therefore, osmosis is the spontaneous movement of water from toward an area with a higher concentration of larger molecules through the membrane.

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The integrating center for homeostasis in the body is

Answers

Answer: Brain ( more specifically the hypothalamus region of the brain)

Hope this helps :D

Which statement below best describes the function of the nucleus?
Answers:
a) Stores cells wastes and destructive enzymes
b) contains hereditary information and controls most of heredity and cell processes
c) directs cell division in animal cells
d) controls water pressure and stores wastes

Answers

Answer:

b) contains hereditary information and controls most of heredity and cell processes

it contains and protects DNA

Explanation:

The statement that best describes the function of the nucleus is that it contains hereditary information and controls most of the heredity and cell processes.  

Cells are recognized as the building blocks that make up organisms. These cells are further made up of several structures that are well defined. Those well-defined forms of structures are referred to as organelles. The Endoplasmic reticulum, Mitochondria, and Nucleus are some of the examples of cells’ organelles.  

The function and features of the nucleus are listed as follows:  

The nucleus is described as the structure that is bounded by the membrane  It is also considered the most noticeable organelle based on its function and size  This organelle consists of the hereditary information of the particular cell and further helps in controlling the reproduction and growth of the cell.  

Thus, we can conclude that the statement “contains hereditary information and controls most of the heredity and cell processes” best explains the function of the nucleus.  

Learn more about the nucleus here:  

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Which option identifies what has occurred in the following scenario?
Ten years ago, Allie walked through a beautiful country forest filled with plants and animals. She decided to take a trip
to this forest again, only to find a bare field with no plant or animal life.
O conservation
pollution
O desertification
respiration

Answers

Answer: Desertification

how much will atmospheric carbon change in one year

Answers

Answer:

in 1 year

854

in 10 years

890

in 100 years

1250

Cytosine makes up 30% of the nucleotides in a sample of DNA from an organism. Approximately, what percentage of the nucleotides in this sample will be thymine?
Cytosine (C)
30%
Guanine (G)
Thymine (1)
?
Adenine (A)

Answers

Answer:

c

Explanation:

Looking at the map below. predict what type of boundary is present and the resulting features of the boundary at the Philippine Plate and the Eurasian Plate
Eurasian Plate

Answers

Answer:

The answer is A - Convergent boundary resulting in earthquakes and volcanic activity

Explanation:

In map, Convergent boundary resulting in earthquakes and volcanic activity.

What do you mean by convergent boundary?

A convergent boundary is an area on Earth where two or more lithospheric plates collide. One plate eventually slides beneath the other, a process known as subduction.

The subduction zone can be defined by a plane where many earthquakes occur, called the Wadati–Benioff zone. A convergent boundary is an area on Earth where two or more lithospheric plates collide.

Another form of convergent boundary is a collision where two continental plates meet head-on. Since neither plate is stronger than the other, they crumple and are pushed up.

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Question 1 of 10
WORLD POPULATION GROWTH
20,000
10,000
5,000
World
2,000
Asia
1,000 Europe
Africa
Millions of people
500
209
United States,
Mexico
Canada, & Greenland
100
Central America,
s0 Caribbean Islands, &
South America
20
Oceania (Australia &
nearby islands in the Pacific)
10
2040
1980
2050
1950
1960
*970
Year
2000
2010
2020
2030
Based on the information in the graph, which region's population is currently
growing the least?
A. Australia
B. Europe
C. Asia
D. Africa
my

Answers

Answer:

The birth rate and death rate will be nearly equal

Explanation:

Why I know this because I just took the test

Based on the information in the graph Australia's population is currently growing the least.

How much has Australia's population grown in the last 50 years?

Australia's population almost doubled in the past 50 years, from 13.1 million in 1971 to 25.7 million in 2021. But more remarkable is that this record population growth has exceeded all forecasts.

Why Australia is underpopulated?

Australia has an average population density of 3.4 persons per square kilometre of total land area, which makes it one of the most sparsely populated countries in the world. This is generally attributed to the semi-arid and desert geography of much of the interior of the country.

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Which of the following organisms is likely to be in the lowest trophic level
of an ocean food chain?
O Leopard Seal
O Penguin
O Krill
O Plankton
O Fish

Answers

Answer: Plankton

Explanation:

Plankton are small organisms that exist in water and are too weak to swim against the currents of the ocean and the seas. This leads to them going wherever the currents take them. Plankton can be either plants or animals.

Of the organisms listed, they are on the lowest trophic level and provide a source of food to other organisms of different sizes ranging from krill to whales.

Which two factors allow this cattail population to thrive in its ecosystem?
A. A harsh, cold climate
B. Nutrient-poor soil
OC. Adequate sunlight
D. Plentiful freshwater

Answers

Answer:

To be honest i think its D because cattails need water.

Explanation:

Answer:

c and d

Explanation:

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