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Alja [10]
3 years ago
11

What are the four main factors that influence blood pressure?

Biology
1 answer:
murzikaleks [220]3 years ago
5 0
1. peripheral resistance
2. vessel elasticity
3. blood volume
4. cardiac output
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What provides the blueprint for making a protein?
ipn [44]
It’s a gene, you should look it up before you ask on here, that way you don’t have to waist ur points lol
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4 years ago
PLEASE HELP!!!!
Volgvan

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D

Explanation:

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What is the superior opening to the alimentary canal?
Travka [436]

Answer:

Alimentary Canal Organs

This tube begins at the mouth and terminates at the anus. Between those two points, the canal is modified as the pharynx, esophagus, stomach, and small and large intestines to fit the functional needs of the body.

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3 years ago
In flowering plants what structure containing DNA is transported from one plant to another
azamat

Answer:

Pollen

Explanation:

Flowering plants are plants classified as Angiosperms. They are the most diverse group of plants in the Kingdom Plantae. Angiosperms or flowering plants as their name implies are characterized by the possession of reproductive structures called FLOWER. The male reproductive flower called STAMEN produces their gamete in a structure called POLLEN while the female reproductive flower called PISTIL contains an ovary that produces egg cells called OVULES.

In flowering plants, the pollen of a male flower is transported to the receptive part of the female flower called STIGMA in a process called POLLINATION. The pollen contains the gamete (sperm cell) that conveys the genetic material (DNA) of the male plant. A fertilized ovule develops into a seed, hence, the reason flowering plants are called SEED-BEARING.

Therefore, pollen is the structure containing the genetic material (DNA) that is transported from one plant to another (same species) in flowering plants.

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3 years ago
Living organisms make and use three main types of ribonucleic acids (RNA) for their biological functions: ribosomal RNA (rRNA) m
serg [7]

Answer:

<u>Part A</u>

Drag these words to the space

(1) tRNA: "contains an anticodon" "has amino acids covalently attached in active form"

(2) mRNA: "has introns and exons" "contains genes for a protein"

(3) rRNA: "is found in ribosomes" "is the most abundant form of RNA"

<u>Part B</u>

(1) Replication: Leave blank because no RNA is involved .

(2) Transcription/RNA processing: mRNA because it is synthesized from the information in DNA

(3) Translation: rRNA and tRNA

3 0
3 years ago
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