BIOLOGY HIGH SCHOOL

The place where photosynthesis occurs is the:A. mitochondrial membranes.
B. thylakoid membrane.
c. plasma membrane.
D. ribosomes.

Answers

Answer 1
Answer:

ANSWER

thylakoid membranes
Answer 2
Answer:

Answer:

b. thylakold membrane

Explanation:

thylakold membranes are in chloroplasts

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Vegetable farmers often plant soybeans every few years. Rotating crops breaks up the life cycles of many insect pests, and the soybean plants provide the soil with nitrogen. Other crop plants need the nitrogen to grow well. A field of soybean seeds has been planted on a farm in Indiana. As soon as the first leaves emerge from the seed, photosynthesis begins. Which substance is the chemical food source for the soybean plants? A. sunlight B. Glucose C. Carbon Dioxide D. Water
All of these are placental mammals excepta. porpoise. b. mouse. c. elephant. d. opossum.

Which of the following causes a tumor to form? crossing over of homologous chromosomes control systems like signal molecules cell division through meiosis uncontrolled cell division

Answers

Isnt it uncontrolled cell divosion? Yeah im pretty sure

uncontrolled cell divosion          is the answer

30. How many DNA codes are used by life on Earth?

Answers

The DNA code contains 64 combinations that are named as codons. These codons are coding for the 20 amino acids, which the cell then puts together to form long amino acid chains, known as proteins.

What is DNA?

DNA stands for deoxyribonucleic acid. It may be defined as a molecule that is present inside cells that contains the genetic information responsible for the development and function of an organism. DNA molecules allow this information to be passed from one generation to the next.

There are 3.2 billion DNA codes that are used by life on Earth. Of the three billion genetic building blocks that make us living things, only a handful are uniquely ours. In fact, despite our differences on the outside, humans are 99.9% genetically similar to one another.

Our genetic manual holds the instructions for the proteins that make up and power our bodies. But less than 2 percent of our DNA actually codes for them. The rest 98.5 percent of DNA sequences is so-called “junk DNA” that scientists long thought useless.

To learn more about DNA, refer to the link:

brainly.com/question/2131506

#SPJ6

Answer:

That's how much information is stored in the DNA inside every human cell: the entire human genome. If you sort through the three billion letters that make up the human genome, you find some surprising things. Only about 1% of the three billion letters directly codes for proteins.

Explanation:

Darwin observed that the finches on two diffrent island in the galapagos belong to.the same family but showed alot of variations in their break size and shape how can this vaction be justified

Answers

The island where not the same and definitely have different foods, terrain, vegetation, etc.

Depending on what on finch eats, it's beak needs to be adapted to that food. And it also depends on what other things it uses for if he needs to poke the ground or rocks in search of food for example. 

Each finch has adapted to its environment.


Hope it helped,

Happy homework/ study/ exam!

Changes in allelic frequency are always driven by natural selection.

Answers

false they change in all sorts of stuff.
The correct answer is false. Allele frequencies can all be changed through other processes such as Genetic Drift or a sudden isolation of a species.

Which formations are created by wind deposition? Select two options.spits
deltas
loess hills
kettle lakes
sand dunes

Answers

Answer:

I believe it is loess hills and sand dunes

Answer:Loess Hills and Sand Dunes

Friend me!!!!

Explanation:Loess is made of silt that were wind blown from vertical cliffs.

Sand dunes are basically hills of sand. They form when wind is impeded by a rock and it drops some of the sand as it hits the rock. Slowly the deposited sand builds up to form bigger dunes.

Hills since sand dunes are hills also, this is also considered a formation made by wind deposition.

A ________ is a rigid layer that surrounds a plant cell, providing structural support.A. chloroplast
B. nucleus
C. cell wall
D. cell membrane

Answers


The cell wall is the part of the cell whose purpose is to provide structural support to the cell. This is located outside the cell membrane. This part can be flexible or rigid. The purpose of cell wall acts like that of the skin of the human body. answer hence is C.
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