Please help, I’ll mark as brainliest.

Answers

Answer 1

Answer:

The second answer is correct.

Explanation:

The crossing over of chromosomes, which is one of the ways meiosis achieves genetic diversity, is physical. Crossing over does not occur in prokaryotic cells as they do not undergo meiosis.

Related Questions

In a lipid bilayer, where do lipids rapidly diffuse?.

Answers

Answer:

across the plasma mebrane

A major function of the large intestine is to absorb.

Answers

Answer:

yes to absorb extra water from food

Explanation:

What dna bases are allowed to connect with one another?.

Answers

Answer:

Adenine always binds to thymine.

Explanation:

Hope this helps, God bless!

help whats the answer this is for science

Answers

Cell cycle does not describe this picture.
These are pictures of chromosomes

State TWO reasons why it is important to control the amount of body fat in the human body

Answers

Answer:

To maintain the right body temperature, it is essential to have adequate body fat. Body fats are the storehouses of energy in the body. Body fats are necessary to ensure the smooth functioning of cells. Body fats have a cushioning effect on organs and tissues.

which best describe cancer cells

Answers

Answer:

Cancer cells don't stop growing and dividing, this uncontrolled cell growth results in the formation of a tumor. Cancer cells have more genetic changes compared to normal cells.

50 points + brainliest to the best answer

What explanation can you offer for why the types of E. coli found on this surface would change over several months’ period
(DO NOT DO PROBLEM 8)

Answers

Answer:

if i am reading the question right, The selection leading to changes in the E. coli variance is an example of artificial selection because humans are treating the bacteria with triclosan

Explanation:

This flower has petals in
groups of three. What type of
plant is it?
A. Monocot
B. Dicot
C. Tricot
D. Tetracot

Answers

A. Monocot

Hope this helps(:

It’s A

Monocots have flower parts in threes or multiples of threes as shown in the flowers to the left.

Compare and contrast the Earth, the sun, and the Moon. Include information about rotation and revolution, tides and moon phases.

Answers

The earth, moon, and sun, all move In a synchronized motion together. The Earth revolves around the sun while rotating, as does the moon around earth. But what does this all really mean?

Revolution is the orbit of an object with less mass around an object with more. It is the cause of seasons on earth- Spring, summer, fall, and winter.

Rotation is the spinning of an object on its axis. Earth spins at a tilt of 23.5 degrees. This is why we have day and night.

Let's not forget about the moon! It's accountable for 2 things- the Lunar Cycle and Tides.

The lunar cycle is a series of phases visble in the Night sky. It's starts with a New Moon, then leading to waning crescent, 1st quarter, waning gibbous, full moon, waxing gibbous, 3rd quarter, waxing crescent, and finally ending with another new moon.

Tides are caused by the gravitational pull of the moon. There are 2 major types- Spring tides and Neap tides.

Spring tides are when gravitational pull is greatest towards the sides of the earth. They happen during full and new moon.

Neap tides are the opposite. Gravitational pull is greatest near the north and south poles. They are present during 1st and 3rd quarter moons.

The Earth, sun, and moon play a huge rule in how we perceive the night sky- and on our planet too!

I hope this helped!

All of this was written by me :D

if both parents are heterozygous for both traits what are the expected phenotypes of their offspring

Answers

Answer:

9:3:3:1

Explanation: If both are heterozygous for both traits in a dihybrid cross, the phenotypic ratio will be 9:3:3:1.

10. Washington started feeling involuntary contractions in the calf muscles during a run. What should he do to treat the problem

Answers

Answer:

Has he tryed going to the doctors?

negative impact smoking has on your lungs

Answers

Answer:

lung cancer and chronic diseases

Most nutrients are absorbed into the bloodstream via the liver and then directed to the liver, which rids the blood of toxins. This nutrient-rich blood goes to the heart, through the lungs, and then back through the :________.
i. out to the body cells.
ii. carry blood away from the heart to the cells, and
iii. carry blood back to the heart.

Answers

Explanation:

I'm thinking the pulmonary artery where blood is oxygenated, the o2 travels thru blood along with h20, iron, nutrients 2 regenerate cells, then back thru the same cycle to the heart..

your answer is (ii).

does cellular respiration requires nutrients or glucose?

Answers

Every cell of the body needs oxygen for the process of cellular respiration by which the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP

Why is the cheetah gene pool small today?

Answers

When a natural disaster dropped their total world population down to less than seven individual cheetahs.

Even though the number of cheetahs grew to as many as 100,000 during the 19th century, their genetic variability remained low due to the extreme bottleneck event that took place thousands of years previously.

The sequence of a strand of mRNA is GCAAUGUAA. If the sequence includes a stop codon, how many amino acids does this code for

Answers

There were only be two amino acid sequences before the stop codon. Alanine,methionine.

What line of evidence would support a hypothesis that a newly discovered bacterium is a cyanobacterium?.

Answers

The line of evidence would support a hypothesis that a newly discovered bacterium is a cyanobacterium is it is able to form colonies and produce oxygen. Cyanobacteria generate oxigen.

What are Cyanobacteria?

Cyanobacteria are a special type of bacteria capable of generating oxygen by a process called photosynthesis.

Photosynthesis is a series of reactions by which some types cells can generate oxygen and simple carbohydrates by using the energy from the sun.

Cyanobacteria are also called blue-green algae and these microorganisms are able to form colonies.

Learn more about Cyanobacteria here:

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what feature listed not part of the groundwater system?

A-confined water

B-underwater spring

C-lake

Answers

Answer: Lake

Explanation:

Fifty years ago, genetic testing did not exist. If we wanted to prove whether someone was related, our best option was blood typing. Now, Elvis Presley was a wildly famous musician who died in 1977. Before his death, it was rumored he fathered a child with someone other than his wife whilst they were living in Hawaii. Prior to Elvis's death, this same woman would take her son to visit him there at least once a year. She also had blood tests done to prove Elvis was the father and tests showed it was possible. Her grandson is alive now, and looks very much like Elvis as you can see below. The grandson is on the left and Elvis is on the right. They have the same O+ blood type, sing beautifully, and both play the guitar. If you were using blood type to determine whether Elvis (whose blood type is O+) was the father of someone, which of these blood types would not have been possible for any of his children?

Type A -
Type B +
Type O-
Type AB+

Answers

The answer is AB. Hope this helps

Motor cortex and somatosensory cortex are __________.

Answers

Answer:

Logically placed between the parietal lobes and our frontal lobes (the executive), are two strips called the somatosensory cortex and the motor cortex (see right).

Which substance would have the highest viscosity?

a.
Liquid water

b.
Maple syrup

c.
Olive oil

d.
Solid rock

Answers

Answer:

It would be b - Maple Sryrup.

Explanation:

Viscosity is essentially the thickness and transparency of a liquid. It cannot be rock due to the fact that a rock is a solid object and not a liquid. The other answers are eliminated via the process of elimination.

the answer would be B, maple syrup

What are the types of rainforests? (Select all that apply.)

temperate

tropical

taiga

rocky

Answers

The types of rain forests are topical and temperate rain forests.

Rain forests and it's types

The rain forest is so called because it is a vegetative area that has high amount of rain yearly. There are two major types of rain forests which include:

Tropical rain forest: This is characterized by its close presence to the equator. Therefore it is warmed than the temperate rainforest.

Temperate rainforest: Temperate rainforests are found near the cooler coastal areas further north or south of the equator.

Therefore, the types of rain forests are topical and temperate rain forests.

Learn more about rainforest here:

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Answer:

topical/temperate

Explanation:Just to make you guys sure

Discuss why choosing wrong friends may subject you to unrealistic life expectations resulting in conflict with your families.

Answers

Social influence can bring problems to family interactions.

Social influence

Social influence is the act of getting a person or a group of people to do something that, at first, they were unaware of and/or did not have in mind.

In both

psychologysociology and anthropology

Social influence is one of the foundations that define our behaviors dialectically, that is, shaping our behaviors and being shaped by our responses in return.

With this information, we can conclude that social influence can be harmful to the individual if used incorrectly.

Learn more about Social influence in https://brainly.com/question/12518380

BRAINLIEST IF CORRECT
Which of the following are correctly balanced reactions?

Answers

Answer:

A. Mg + FeO ---> Fe + MgO

Explanation:

Just look at the numbers and check if they are equal or not. If equal, its a balanced reaction and if not, then its unbalanced reaction.

Lymph from what regions of the body is drained into the right lymphatic duct?.

Answers

From what we know, we can confirm that the right lymph duct will receive the lymph from the right side of the head, right trunk, and right arm.

What is lymph?

Lymph is a fluid created throughout our body that, just like blood, travels through a system of lymph vessels and nodes. This fluid is drained from the body by two ducts, right and left, the right of which focuses on draining the right side of the upper body.

Therefore, we can confirm that the right lymph duct will receive the lymph from the right side of the head, right trunk, and right arm.

To learn more about anatomy visit:

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wants to explain the water cycle to her friends. Which of the following is the best model to show this process?

Answers

Evaporation then comes condensation and finally precipitation , then all is gain repeated until there no more water left.

What is the difference between DNA content and chromosomes number, thanks

Answers

Answer:

I have been to get a

Explanation:

I c have a true conclusion for my head but I think it is a good way for me to get

True or False. Mechanical weathering is the movement of rock particles by wind, water, or ice. Explain.

Answers

Answer:

True !

Explanation:

By definition, mechanical weathering is the movement of rock particles by wind, water, ice or gravity.

what fossil animals that have been found in antarctica

Answers

Answer:

Animal fossils

Explanation:

They include ankylosaurs (the armoured dinosaurs), mosasaurs and plesiosaurs (both marine reptilian groups). Seymour Island, just off the Antarctic Peninsula, is one of the most important fossil sites on Earth.

HOPE IT HELPS, BE SAFE!!!! :3

5. Which of the following is a pattern of motion in the solar system? (1 point)
O All planets rotate in the same direction
O All planets orbit the sun in the same direction
O All planets orbit the sun at the exact same speed
O All planets speed up when they get farther away from the sun.

Answers

Answer: All planets orbit the sun in the same direction

Explanation: It’s the only true pattern listed there.

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