Need help with these two questions

Biology

1 answer:

Gelneren [198K]3 years ago

8 0

1. D) Saturated triglyceride since they have the most C-H bonds.

2. B) Nucleic acids contain hydrogen, oxygen, nitrogen, carbon, and phosphorus.

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Define 4 types of teeth(incisors,canines, premolars and molars)

vredina [299]

Incisors: Incisors are your two front teeth and the teeth on either side of them on the top and bottom of the mouth. Incisors are designed like tiny chisels with flat, moderately sharp ends. These teeth are formed to cut and chop food.

Canines: The pointy teeth beside your incisors are your canine teeth. You have a total of four canine teeth—two on the top and two on the bottom. These teeth are also designed to be sharp for tearing food.

Premolars (bicuspids): Premolars or bicuspid teeth are located just beyond the canine teeth toward the back of the mouth. You have eight in total—four on the top and four on the bottom.Premolars are bigger, stronger, and have ridges designed for crushing and grinding food.

Molars: In the very back of your mouth are the molars. You have eight molars—four on top and four on the bottom. Molars are your strongest set of teeth, formed with more width and ridges than the premolars. The molars are also designed for chewing and grinding, as well as thorough mashing of your food prior to swallowing. The molars generally do not surface until the ages of 6 to 12.

7 0

3 years ago

Muscles make up _____ your body weight.

fredd [130]

Answer:

45 %

In which 40 % by skeletal muscles.

7 0

3 years ago

Read 2 more answers

The need for energy, gained by respiratory and photosynthesis, is the driving force and the oxygen cycle. True or false?

SCORPION-xisa [38]

Answer:

true

Explanation:

3 0

3 years ago

What is the function of nervous tissue for transport within an organism?

Levart [38]

Answer:

c) To send signals to the blood vessels to constrict or dilate, to decrease or increase blood flow, respectively.

Explanation:

The nervous tissues comprises of nerve cells, which functions by sending and receiving electric signals as information in order to bring about specific responses.

The system majorly in charge of transport in the body is the circulatory system. Hence, the nerve cells send signals to the blood vessels to constrict or dilate, to decrease or increase blood flow, respectively.

7 0

3 years ago

According to the fossil record below, which organism evolved most recently? *

vazorg [7]

Answer:

Many fossils are found only during certain periods in the geologic record. Scientists use these fossils to determine the relative ages of rock layers. The diagram shows relative ages of four fossils.

Hope that helps :)

6 0

3 years ago