Due today, please help

The nitrogen bases will only bond with one specific nitrogen base such as A - T and G - C. This is known as:

Complimentary Base Pairing

Mass measures the amount of ______ in a substance
or an object.

a matter
b space
c gravity
d vapour

Scientists learn about the universe by studying the light that comes to Earth from stars and other objects in space. If you were a scientist hoping to understand the universe, what three questions would you ask?
50 POINTS MAKE IT FAST

2x+3y=12
x-5y=-7
solve simultaneously ​

What is it called when DNA is not bunched together

The sequence of DNA below is part of a gene. How many amino acids are coded for by this segment?
5 ATTAGTCCGTAC 3
A. 2
B. 3
C. 4
D. 5

Help me ASAP! CORRECT ME IF AM WRONG TY BOYS AND GIRLS

identify and explain three environmental impacts of current agricultural methods

Which of the following areas of science would
allow someone to obtain a job for NASA?
A. Physical Science
B. Life Science
C. Social Science
D. Medical Science

The difference between active and passive transport is that–

A. Passive transport requires energy to move molecules up a concentration gradient, and active transport does not.

B. Passive transport can only move specific particles across a membrane, and active transport can move any particle.

C. Active transport requires energy to move molecules up a concentration gradient, and passive transport does not.

D. Active transport moves molecules in animal cells, and passive transport moves molecules in plants.

n the experiment "What Effect Does Vinegar Have on Plant Growth?" some plants were given only water, some were given only vinegar, and the others were given various mixtures of water and vinegar. Which of the following groups is the control group in the experiment?
50% water and 50% vinager
100% water
100% vinager
or 25% vinager and 75% water

1.scientist refer to a biological community and the abiotic parts of the environment that affects the community as _______?

A. Biome

B. Ecosystem

C. Population

D. Community

6) Pamela went to the doctor for her yearly check-up. They discovered that she had decreased
estrogen and progesterone levels. After a few months of medication, her levels returned to
normal. She stressed to her doctor that she wanted a child. Her doctor said that with the
hormonal supplements, she should be able to conceive a child.
What systems are affected?
Why?