Biology High School

Which of the following types of stars started out on the main sequence with the largest initial mass?

a, b, c, or d?

Which Of The Following Types Of Stars Started Out On The Main Sequence With The Largest Initial Mass?

Answers

Answer 1

Answer:

answer: C

Explanation:

hope it helps thanks❤

Related Questions

A specific defense is a(n)

Answers

Answer:

The adaptive immune system.

Explanation:

Recognizes and attacks specific pathogens

Hope this helps!

--Applepi101

Which of the only four available pints of blood (A+, AB–, B–, and O+) should the patient receive for a transfusion?

1. B-

2. AB-

3. A+

4. O+

Answers

O+ i hope this helps!!!!!!!!!!!!!!

please answer urgently
you dont need to explain it ​

Answers

Answer:

a, chromatin

Explanation:

i think A, chromatin

How polar bears respond to an unfamilar situation?

Answers

Answer:

plz mark me as brainliest

Explanation:

While polar bears have shown some ability to adapt to changes in their surroundings – for example, by foraging for food on land – scientists project polar bears will become more food-stressed as sea ice diminishes and populations will decline. ... There are other impacts of climate change on polar bears, too.

Which of the following is an example of a natural selection?
1 point
All grey squirrels have not changed for a 1,000 years
Birds developed wings because they wanted to fly.
Fish developed gills because they wanted to move to land.
A new species of purple squirrels forms due to a change in the ecosystem.

Answers

Answer:

A new species of purple squirrels forms due to change in the ecosystem

Explanation:

Key part: Change in the ecosystem

what is force? pls answer my question ​

Answers

Answer:

Strength or strength, which is an ability of the human physical condition that is needed in increasing the achievement of learning motion. ... Harsono (1988: 47) defines strength as energy to fight a resistance or the ability to generate tension

Explanation:

sorry if wrong (◠‿◕)


An eagle carries a fish up 50 m into the sky using 90 N of force. How much work did the eagle do on the fish?
(Work: W = Fd)
40 J
59 J
140 J
4500 J

Answers

Answer:

4500J

Explanation:

As the formula stated above:

work=force×distance

=90×50

=4500J

When does crossing over occur in meiosis

Answers

Answer:

Crossing over occurs during prophase I of meiosis before tetrads are aligned along with the metaphase I.

Name the two parts of the pectorial muscles.

Answers

Explanation:

Pectoralis muscle, any of the muscles that connect the front walls of the chest with the bones of the upper arm and shoulder.

There are two such muscles on each side of the sternum (breastbone) in the human body:

1. pectoralis major and

2. pectoralis minor.

What is the function of the vacuole?
A. Contains the cell's DNA
B. Protects the cell
C. Storage for water and nutrients
D. Storage for organelles not in use

Answers

Answer:

c

Explanation:

define cerebral action​

Answers

1 of or relating to the cerebrum or to the entire brain. 2 involving intelligence rather than emotions or instinct.


Not sure if it’s right

The organs in the human body perform specific functions for survival.

Organ A delivers blood to the body
Organ B delivers oxygen to the body
Organ C delivers messages to the body

Which of the following correctly identifies the organs that perform each function above?

Organ A is the heart, Organ B is the brain, and Organ C is the lungs
Organ A is the heart, Organ B is the lungs, and Organ C is the brain
Organ A is the lungs, Organ B is the brain, and Organ C is the heart
Organ A is the lungs, Organ B is the heart, and Organ C is the brain

Answers

Organ A is the heart

Organ B is the lungs

Organ C is the brain

Because heart only delivers blood to lungs and other body tissues, Lungs input oxygen into the blood and brain sends signals and messages to the body parts.

This is the answer. Hope it helps you

Answer:

B) Organ A is the heart, Organ B is the lungs, and Organ C is the brain

Explanation:

Which of the following terms is a comparison between the number of copies
of a particular allele and the number of copies of that gene?
A. Allele dominance
B. Allele frequency
C. Allele density
O D. Allele strength
SUBMIT

Answers

Answer:

A: Allele Dominance

Explanation:

It is believed that the ratio of cyclic electron transport to Z-scheme photosynthesis changes in response to metabolic demands. If a plant were actively engaged in a large amount of reductive biosynthesis, requiring NADPH, how would it alter these processes compared to a plant just performing the Calvin cycle to produce glucose

Answers

Answer:

The correct answer is (b) More Z-scheme photosynthesis, less cyclic photophosphorylation

Explanation:

Z-scheme is the schematic flow of the electrons from water to NADP+ and as it connects the two different photosystems that look like z in the diagram it is termed as Z-scheme of photosynthesis. The ratio of cyclic electron transport to Z-scheme photosynthesis alters as per the metabolic requirements. In the question, it is given that If a plant were actively engaged in a large amount of reductive biosynthesis, requiring NADPH, then it will acqiuire more z-scheme photosynthesis compared to a plant just performing the Calvin cycle to produce glucose.

Answer:  More Z-scheme photosynthesis, less cyclic photophosphorylation

ASAP
Which of the following means 'Dehydrated'?
A. Too much water
B. Too little acid
C. Too much acid
D. Too little water

Answers

Answer: D too little water


Explanation: process of elimination/common sense

Answer:

D, too little water

The graph shows the supply and consumption of forests when the
consumption rate and population growth rate are both low.
When does consumption begin to surpass supply?

Answers

Answer:

In about 625years

Explanation:

According to the graphical representation depicted in this question, it shows the supply and consumption of forests when the consumption rate and population growth rate are both low. The green line represents the total consumption while the red line represents the total supply.

Based on observation of the graph, the total consumption exceeds or surpasses the total supply at a little above 600 years. Approximately, this can be said to be in about 625years.

Answer:

In about 625 years

Explanation:

Consumption has definitely surpassed supply by 700 years, but it only begins to surpass it around the 625 year mark according to the graph


State one reason why soil organisms need air

Answers

Answer:

To release plants nutrition's to soil .

I HOPE I HELP YOU.

Have a great day .

:D

Explain how a person can be a carrier for a sex-linked disorder, but not exhibit this disorder.

Answers

It comes down to genes it can be passed down from family

A person cannot exhibit the disorder because they don't experience the condition because they have a healthy copy of the gene on their other sex chromosome.

A disorder is a functional abnormality or disturbance that affects an individual's physical, mental, or emotional health.

They have the potential to pass on the mutated gene to their offspring, but they do not exhibit the disorder themselves because they have a normal copy of the gene on their other sex chromosome.

In the case of X-linked disorders, females have two X chromosomes, while males have one X chromosome and one Y chromosome. Females can be carriers for X-linked disorders if they inherit one mutated X chromosome from one parent, and one normal X chromosome from the other parent.

Males, on the other hand, cannot be carriers of X-linked disorders because they only have one X chromosome.

Therefore, a person can be a carrier for a sex-linked disorder if they have one copy of a mutated gene on one of their sex chromosomes, but not on both.

Learn more about disorder here:

https://brainly.com/question/21431209

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ASAP What occurs after the homologous pairs are separated?
A. The sister chromatids separate.
B. Spindle fibers attach to the chromosomes.
C. Haploid cells are formed.
D. The nuclear envelope reforms.

Answers

Answer:

A

Explanation:

the sister chromatids separate

After the separation of homologous pairs, the sister chromatids are subsequently separated during meiosis II.

What is Homologous pair?

Homologous pairs may be defined as those chromosomes which are very identical to one another and have the same size and shape.

In meiosis I, the separation of homologous pairs occurred. After this process, the sister chromatids are separated in meiosis II.

This separation leads to the production of a total of four products having the half number the chromosomes as compared to the original cell.

Therefore, the correct option for this question is A.

To learn more about Homologous pairs, refer to the link:

https://brainly.com/question/8253366

#SPJ5

Which of the following statements are true regarding science?
All of the above are correct

Scientists collect and organize information in a careful, orderly way, looking for patterns and
connections between events.

Scientists propose explanations that can be tested by examing evidence.

Science deals with the natural world.

Answers

Answer:

All of the above are correct

How do we make a new gene

Answers

Answer:

Well to make a new gene, theoretically you would need to mutate your DNA of some sort.

Explanation:

Genes  come naturally from your parents. And if you want a new gene that you can say "control" like being tall or having a high/low metabolism, you would have to rearrange or "mess around" with your DNA.

What’s was the purpose of Miller and Urey’s experiment

Answers

Answer:

D

Explanation:

to find out how biological molecules could have first formed

I’m pretty sure it’s D! Hope this helps!

ciri ciri tumbuhan telah mengalami perkembangan​

Answers

Answer:

Is that another language

To find the gene that encodes for the blue-light receptor, researchers inserted the gene for the PHOT1 protein into insect cells growing in culture. When they exposed the transgenic cells to blue light, they found that they PHOT1 protein became phosphorylated. No other plant proteins were present in the insect cells. Which of the following is a reasonable conclusion from this result?
A. The PHOT1 protein enabled the insect cells to photosynthesize.
B. The PHOT1 protein phosphorylated itself in the presence of blue light.
C. The PHOT1 protein is not responsive to blue light.
D. The PHOT1 protein is not functional in insect cells.

Answers

Answer:

я не знаю ответа извините

Explanation:

In the analogy of a cell as a school,
lysosomes could be thought of as...
A. a janitor.
B. a teacher.
C. a music teacher.

Answers

Explanation:

In the analogy of a cell as a school, lysosomes could be thought of as a teacher.

Because teacher helps students by solving complex problems in simple way and as teacher lysosomes also helps us by breaking down the complex thing in the cell.

Hey there!

I believe your answer would be the janitor because his/her job is very similiar to the lysosomes' job, to get rid of all extra waste.

Hope this helps!

Have a great day!

Two decades after the Emerald River Dam was built, none of the eight fish species native to the Emerald River was still reproducing adequately in the river below the dam. Since the dam reduced the annual range of water temperature in the river below the dam from 50 degrees to 6 degrees, scientists have hypothesized that sharply rising water temperatures must be involved in signaling the native species to begin the reproductive cycle.

Which of the following statements, if true, would most strengthen the scientists’ hypothesis?
(A) The native fish species were still able to reproduce only in side streams of the river below the dam where the annual temperature range remains approximately 50 degrees.
(B) Before the dam was built, the Emerald River annually overflowed its banks, creating backwaters that were critical breeding areas for the native species of fish.
(C) The lowest recorded temperature of the Emerald River before the dam was built was 34 degrees, whereas the lowest recorded temperature of the river after the dam was built has been 43 degrees.
(D) Nonnative species of fish, introduced into the Emerald River after the dam was built, have begun competing with the declining native fish species for food and space.
(E) Five of the fish species native to the Emerald River are not native to any other river in North America.

Answers

[tex]Hello![/tex]

It is option A.

I'm sure about that.

Which of the following statements, if true, would most strengthen the scientists’ hypothesis?

[tex]ANSWER:[/tex] (A) The native fish species were still able to reproduce only in side streams of the river below the dam where the annual temperature range remains approximately 50 degrees.

what do you mean by components of mixture?​

Answers

Answer:

The components of a mixture are the items that are mixed together.

Soil moisture influences both hydrological and agricultural processes and is part of the water and energy cycles through ________.

transpiration
evapotranspiration
evaporation
condensation

Answers

Answer:

Its either evapotranspiration or condensation

Explanation:

Hope it helps✌✌

Answer:

The correct answer is evapotranspiration.

Explanation:

Evapotranspiration is the process of water moving from Earth's surface to the atmosphere. The way water moves from the soil to atmosphere is through this process.

how do plants use carbon dioxide
A.They release it as waste
B.To build proteins
C.They store it as fuel in limestone deposits
D.To produce sugars

Answers

Answer:

to build protein............

Answer:

C. To produce sugars.

HOPE IT HELPS YOU.

que es la iniciación de un cultivo

Answers

Answer:

cuando un cultivo inicia y se empieza a arar la tierra

Explanation:

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