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pshichka [43]
3 years ago
13

Biology..please help..TYVM

Biology
2 answers:
seropon [69]3 years ago
8 0
B nucleic acids or c nucleotides
Paraphin [41]3 years ago
3 0
C. Nucleotides are what the sub-units of DNA are called. 
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nevsk [136]

Answer:

hope i helped but i think its b or d

Explanation:

4 0
3 years ago
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"Evolution is like a climb up a ladder of progress; organisms are always getting better." O True O False​
Romashka-Z-Leto [24]

Answer: True because In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all species? are related and gradually change over time.

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3 years ago
Which of the following is an example of a negative feedback loop? Select one: a. Uterine contractions to expel a fetus during la
PtichkaEL [24]

Answer:

d

Explanation:

<em>The correct answer would be increasing heart rate to compensate for low cardiac output.</em>

The negative feedback loop is the mechanism that is utilized in the maintenance of homeostasis. They work by opposing the processes that bring about a deviation away from setpoints, that is, the normal range of operation of physiological processes in the body.

<u>For example, when the heart rate goes below the setpoint, the negative feedback loop swings into action through the sensor, the control center, and the effector to return the heart rate to the normal operating range.</u>

Correct option: d

6 0
3 years ago
What are the like terms in the expression: 2a + 3b+ 4C - 5a + 8 - 4
irakobra [83]

Answer:

2a and -5a

8 and -4

hahahah they are separate from each other

2a and -5a simplifies to -3a

8 and -4 simplifies to 4

Explanation:

hope this helps!

5 0
3 years ago
Which of the following are examples of green transportation planning? (Select the
aksik [14]

Answer:

1. Make sure there are lots of bike paths

2. Design roads that work well with the area's public transportation

3. Include an HOV lane in the design

Explanation:

Green transportation planning is a form of planning in which roads are designed such that individuals are discouraged to drive alone on the road and at the same time utilized more environmentally friendly means of transportation. It also includes designing adequate lanes or paths for specific kinds of traffic or transportation.

Hence, in this case, the correct answers are:

1. Make sure there are lots of bike paths

2. Design roads that work well with the area's public transportation

3. Include an HOV lane in the design

3 0
3 years ago
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