Biology Middle School

Which type of gas is needed for plants to make their own food? A.hydrogen
B.nitrogen
C.carbon dioxide
D.oxygen

Answers

Answer 1

Carbon dioxide is needed by plants to make their own food. So the correct option is C.

What is photosynthesis?

The process of synthesizing organic materials by plants for their nutrition by the use of inorganic raw materials is called photosynthesis. This process utilizes light. That is why it's called photosynthesis, photos meaning light.

The inorganic raw materials that are used are carbon dioxide and water. The light energy is derived from the sun and captured by the chlorophyll present in the plants.

The light energy is converted to chemical energy which is used for splitting the water molecule into hydrogen and oxygen. Hydrogen is used for the reduction of carbon dioxide for the formation of glucose.

The oxygen is released into the atmosphere as a byproduct. The glucose formed in the main product is further utilized by plants for the production of energy in the process of cellular respiration.

Therefore, the correct option is C.

Read more about photosynthesis, here

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Answer 2
C. Carbone dioxide
Explanation:
Chlorophyll can make food the plant can use from CARBON DIOXIDE, water, nutrients, and energy from sunlight.

Related Questions

Why can't most STIs be transmitted through casual contact with people or contaminated objects? edg 2020

Answers

This is because the bacteria doesn’t have a chance to become strong enough to effect another individual before it dies off due to lack of appropriate surroundings

What mistakes does the scientific method prevent?

Answers

It helps keep things organized and back up your answer

The energy that drives surface ocean currents comes from temperature differences
salinity variations
wind
waves

Answers

Answer:

Wind

Explanation:

I just took the test its %100 correct Trust me ; ) good luck!!!!!

(Select all that apply.) Which of the following qualities make Earth a unique planet?
o the earth's density and rockiness
the earth's size and differentiation
the earth's distance from the sun
the earth's moon
the earth's gravity
the earth's differentiated composition

Answers

Answer:

Earths distance, Gravity, and composition

Explanation:

Question 4 Which of the following is found in eukaryotic cells but not in prokaryotic cells?

a nucleus
b mitochondria
c endoplasmic reticulum
d lysosomes
e all of the choices are correct

Answers

Answer: Option A) nucleus

Explanation:

Prokaryotic cells lack nuclear envelope, thus the nucleus is absent in Prokaryotic cells.

On the other hand, eukaryotic cells possess membrane bound nucleus and nuclear envelope.

Thus, nucleus is the answer

The ozone layer is found in the upper part of the thermosphere
absorbs much of the sun's harmful UV radiation
keeps the stratosphere very cold
is made of charged ions and free electrons

Answers

Answer: absorbs much of the sun's harmful UV radiation

Explanation:

The ozone layer consists richly of ozone molecules. Ozone with the chemical formula O3, is an allotrope of oxygen found in the atmosphere and helps to absorbs much of the ultraviolet radiation of the sun, preventing it from reaching the earth

Answer: absorbs much of the sun's harmful UV radiation

Explanation:

The ozone layer consists richly of ozone molecules. Ozone with the chemical formula O3, is an allotrope of oxygen found in the atmosphere and helps to absorb much of the ultraviolet radiation of the sun, preventing it from reaching the earth.

Question 8 All animals have eukaryotic cells and are

a multicellular
b invertebrates
c asexual
d vertebrates

Answers

Answer:

A: multicellular

Explanation:

hope it's right

What does the term "shell" refer to?

Answers

The outer layer usually hard and used for protection

Answer:

The material that forms the hard outer covering of many animals. Hard outer covering or case of certain organisms such as arthropods and turtles. ... The definition of a shell basically means any hard surface that covers the outer surface of an organism.

Explanation:

Question 13 DNA replication ensures that each daughter cell will have all of the

a cytoplasm to hold the organelles
b genetic information it needs to carry out its activities
c organelles to allow the cell processes to happen
d cell membrane to protect the cell

Answers

Genetic information that it needs

ORIGINAL TOP STRAND: ATG-GGG-CCA-GTT-GAA-AAA-ATT-GCA-GAA-CTT-TGA NEW BOTTOM STRAND: TAC-___-___-___-___-___-___-___-___-___-___-

NEW TOP STRAND: ATG-___-___-___-___-___-___-___-___-___-___-

ORIGINAL BOTTOM STRAND: TAC-CCC-GGT-GAA-CTT-TTT-TAA-CGT-CTT-GAA-ACT

awarding 50 points!

Answers

Answer: Is the Top strand DNA or RNA?

DNA: TAC-CCC-GGT-CAA-CTT-TTT-TAA-CGT-CTT-GAA-ACT

RNA: UAC-CCC-GGU-CAA-CUU-UUU-UAA-CGU-CUU-GAA-ACU

Bottom Strand:

DNA: ATG-GGG-CCA-CTT-GAA-AAA-ATT-GCA-GAA-CTT-TGA

RNA: AUG-GGG-CCA-CUU-GAA-AAA-AUU-GCA-GAA-CUU-UGA

Explanation:

DNA= (A=T or T=A), (G=C or C=G)

RNA: (A=U), (T=A), (G=C)

Question 12 The stage of the cell cycle when DNA replication occurs is _______________.

a anaphase
b prophase
c interphase
d telophase

Answers

I think it’s b if I am wrong I am so so sorry
The answer to the question is c interphase because that’s where the cell spend most of it’s time at

Why is DNA antiparallel? It has double strands complementing each other. The bases in one strand pair with the other bases in the complementary strand. It has a ladder shape. Its double strands run in opposite directions.

Answers

Answer: DNA is antiparallel because Its double strands run in opposite directions.

Explanation: The antiparallel nature of DNA strands means that as one strand runs in 5'->3' direction, the other strand runs in 3'->5' direction. The two antiparallel DNA strands are not identical in either base sequence or composition rather they are complementary to each other. This means that anywhere thymine base is found in one strand, adenine is present in the other strand and anywhere guanine occurs in one strand, cytosine occurs in the other strand.

Question 11 DNA replication occurs in the ____________ of _________ cells.

anucleus : plant and animal cells only
bnucleus : eukaryotic
c cytoplasm : eukaryotic
d nucleus : prokaryotic

Answers

Answer:

Nucleus: Eukaryotic

Explanation:

DNA replication takes place in the cytoplasm of prokaryotic cells. In contrast, DNA replication takes place in the nucleus of eukaryotic cells. Though the process is relatively similar, the locations are different.

Explain why sunlight is needed for photosynthesis to occur.

Answers

Answer:

it is required

Explanation:

Plants need sunlight because sunlight has a energy that plants need, so photosynthesis can make plants be able to get energy and I think also nutrients too.

Answer: because sun gives photosynthesis food

Explanation:

5. What is the main function of leaves?

Answers

Explanation:

It contains chlorophyll which the plant uses for photosynthesis when there is sunlight.

Transpiration also occurs on the leaves.

This is the energy the This is the process that releases energy by breaking down food molecules in the presence of oxygen.t comes to Earth from the Sun.

Answers

Answer:

Strange wording but it is light energy.

Explanation:

If you are talking about the process, the process is photosynthesis.

When organisms die, most of the nitrogen in their tissues is A. lost from the nitrogen cycle forever.
B. converted directly into nitrogen gas.
C. recycled by bacteria in the soil. D. released directly into the soil.

Answers

Answer:

C. recycled by bacteria in the soil.

Explanation:

C. recycled by bacteria in the soil.

Mainly Nitrosomonus and Nitrbactor

C. Recycled by bacteria in the soil

The decomposers, certain soil bacteria and fungi, break down proteins in dead organisms and animal wastes, releasing ammonium ions which can be converted to other nitrogen compounds.

The barred owl has been moving into the habitat of the spotted owl. This could lead to a reduction in the spotted owl population if the

Answers

Answer: Near Threatened (Population decreasing)

Explanation:

6. Describe the difference between ectmycorrhizal fungi and endomycorrhizal (arbuscular) fungi. What do the plants and fungi gain from this mutualistic relationship?

Answers

Answer: Mycorrhizae are symbiotic relationships that form between fungi and plants. The fungi colonize the root system of a host plant, providing increased water and nutrient absorption capabilities while the plant provides the fungus with carbohydrates formed from photosynthesis

Explanation:

When genes are transferred from one individual to another other than through mating, it is referred to as

Answers

Answer:

Sexual reproduction

Explanation:

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