Biology Middle School

Which kind of organic molecules did Miller and Urey create in their
experiment?
A. Glucose
B. Nucleotides
C. ATP
D. DNA

Answers

Answer 1

Answer:

D

Explanation:

Related Questions

Which of the following plant parts does the fruit develop from?
1) stigma
2 ) pistil
3 ) ovary
4)none of the above

Answers

3) ovary
explanation: the fruit is the ripened ovary of a plant containing the seeds

The outside of a bacterial cell is protected by a structure called a ??

Answers

It’s capsule .............
A cell wall is a layer located outside the cell membrane found in plants, fungi, bacteria, algae, and archaea. A peptidoglycan cell wall composed of disaccharides and amino acids gives bacteria structural support.

Which of these is a form of nonrenewable energy?
O A. Fossil fuel energy
O B. Solar energy
C. Wind energy
O D. Hydroelectric energy​

Answers

Answer:

Fossil fuel energy

Explanation:

This is because oil from fossils take a millions of years to form and people won't be able to wait millions of years

Fossil fuel energy is a form of non-renewable form of energy. Thus, the correct option will be A.

What is Non-renewable energy?

A non-renewable energy resource is a natural resource which cannot be readily replaced by the natural means at a particular pace which is quick enough to keep up with the consumption of the energy resource. An example of the non-renewable energy resource is a carbon-based fossil fuel. The original organic matter with the aid of heat energy and pressure generally becomes a fuel such as the oil or natural gas.

There are four major types of the nonrenewable resources which include oil, natural gas, coal, and the nuclear energy. Oil, natural gas, and coal are collectively known as the fossil fuels. Fossil fuels were formed within the Earth from the dead plants and animals over a period of millions of years and hence are named as the fossil fuels.

Therefore, the correct option will be A.

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When used together, perspective and color variation create what effect for the
viewer?
A. A psychological reaction
B. The illusion of depth on a flat surface
C. The illusion that a three-dimensional object is flat
D. Temporary blindness

Answers

B. The illusion of depth on a flat surface

Which event in Earth's history most directly allowed life to exist on land?
Earth's temperatures increased, causing widespread evaporation.
Earth collided with a large object, forming the moon.
Single-celled organisms released oxygen into the air when they photosynthesized.
Single-celled organisms absorbed harmful gases from the air when they first formed.

Answers

Answer:

c; Single-celled organisms released oxygen into the air when they photosynthesized.

Explanation:

Got it right on edge

Answer:

c

Explanation:

Which statement best supports the theory that eukaryotic cells evolved
through endosymbiosis?
A. Eukaryotic cells can eat prokaryotic cells by engulfing them with
cell membranes.
B. All prokaryotic cells are covered by a stiff cell wall that protects
them.
C. Their chloroplasts contain DNA that is similar to that of
prokaryotes.
D. Chains of amino acids form inside tiny bubbles filled with organic
molecules.

Answers

Answer:

Their chloroplasts contain DNA that is similar to that of

prokaryotes

Explanation:

This is based on the theory that the membrane bound organelles of chloroplast and mitochondria  which are peculiar to Eukaryotas evolved from bacteria by endosymbiosis. Thus bacteria contain the DNA of these organism Evidently, these organism (Eukaryotas) must have cohabited  with bacteriA some time ago

What is a herbivore?


A. an animal that gets energy from eating other animals

B. an organism that gets energy from eating only plants

C. an animal that gets energy by eating both plants and other animals

D. an animal that eats only herbs

Answers

D.

definition: A herbivore is an animal that gets its energy from eating plants, and only plants.

An herbivore is an animal or organism that gets energy from eating only plants, which is present in option B. Examples are the goat, cow, etc., and they eat the producers, such as the plants.

What is the role of the herbivore?

The herbivore is the animal that directly eats the plants of the ecosystem, which are later eaten up by the carnivore, and the herbivore gets more energy than the carnivore as they get energy directly from the plant source. The herbivore only eats plants, and the different ecosystems have different herbivores, such as the land ecosystem, which has the goat, elephant, cow, etc.

Hence, an herbivore is an animal or organism that gets energy from eating only plants, which is present in option B. Examples are the goat, cow, etc., and they eat the producers, such as the plants.

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