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stiv31 [10]
3 years ago
9

Which of the following is true about performing biological investigations

Biology
1 answer:
babunello [35]3 years ago
3 0
What are the anser choices?

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3. Select the dependent variable for answering the stated research question.
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4 0
2 years ago
In the family tree below, people with the recessive trait of attached earlobes
Law Incorporation [45]

Answer:  D) it is a female with two recessive alleles

Explanation:

Since the shape is a circle, we know it is a female. Since the shape is shaded, we know the posses the recessive trait, meaning they must have two of it's alleles.

5 0
3 years ago
Read 2 more answers
1. What is the Photosynthesis EQUATION? What is being consumed and what is produced?
Alla [95]
1. 6CO2 + H2O -----> C6H12O6 + 02

2. The idea of photosynthesis or light dependent reactions is to convert solar/light energy into chemical energy by the form of ATP and NADPH. CO2 and Water are consumed and react to release Glucose and 02. Approximately 36-38 ATP produced.

3. Water is the source of hydrogen atoms in the glucose (sugar) created by the photosynthesis reaction.

4 .
Step 1) The light absorbed by chlorophyll causes a transfer of electrons and H+ from H20 molecules already present. This causes the H20 to split into molecular 0xygen (02) and a H+ ion.

Step 2.) The O2 is released (we breathe it) and the H+ bonds to NADP+ creating NADPH

Step 3) ATP is formed through photophosphorylation. (ADP gets a phosphate group added to it creating ATP)

Step 4.) The NADPH and the ATP created here go on to fuel the reactions in the second part of photosynthesis - The Calvin Cycle

5. The Calvin cycle is a metabolic process that uses the carbon from carbon dioxide, along with energy in the form of ATP, to produce sugar.
A G3P molecule contains three fixed carbon atoms, so it takes two G3Ps to build a six-carbon glucose molecule. It would take six turns of the cycle.

6. To help synthesize carbohydrates for energy

7. In fixation, the first stage of the Calvin cycle, light-independent reactions are initiated; CO2 is fixed from an inorganic to an organic molecule. In the second stage, ATP and NADPH are used to reduce 3-PGA into G3P; then ATP and NADPH are converted to ADP and NADP +, respectively
6 0
4 years ago
Which of the following is not an example of evolution that has resulted from human activity? A. Many strains of bacteria are now
Blizzard [7]

Answer:

C.Because of hunting, species such as bears and wolves are in danger of extinction.

4 0
3 years ago
Read 2 more answers
What is the name given to organisms that can make their own food for the biosphere?
Ray Of Light [21]
Autotrophs are organisms that can make their own food for the biosphere.

This term comes from the Greek terms:
Auto- meaning "self" and Troph- meaning "feeding or growth"
So autotroph quite literally means "to feed oneself". Autotrophs, for the most part, use photosynthesis from sunlight to produce their own sugars.
Plants are the primary autotrophs on Earth!
7 0
3 years ago
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