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morpeh [17]
4 years ago
6

Blood velocity is measured in _________ and is generally _________ related to total cross-sectional area of blood vessels.

Biology
1 answer:
krok68 [10]4 years ago
5 0
Blood velocity is measured in cm/second and is generally inversely related to total cross-sectional area of blood vessels. Hope this helped, have a great day! :D
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What contributes to two-thirds of foodborne illness outbreaks in restaurants?
german
I think the correct answer would be sick food service of the employees. Poor food handling contributes to two-thirds of foodborne illness outbreaks in restaurants. When employees do not follow correct procedures when handling food, it is possible for poisoning or acquiring a disease to happen.
8 0
3 years ago
In humans, the hormone testosterone enters cells and binds to specific proteins, which in turn bind to specific sites on the cel
Crank

Answer:

They act to regulate the expression of specific genes (androgen-responsive)

Explanation:

Testosterone is a reproductive hormone in male humans. Testosterone as well as its closely related hormones e.g dihydrotestosterone, all belong to a class of hormones called "Androgens".

Androgens operate by entering into a cell and binds with specific androgen-receptor proteins (AR proteins). This contact activates the AR proteins, forming an androgen-receptor complex.

This complex then translocates into the nucleus of specific cells to bind to the DNA. Once it binds, it either inhibits or promotes the expression of specific genes (androgen-responsive). Hence, AR proteins are transcription factors because they play a significant role in regulating transcription of specific genes i.e. turning 'on' or 'off' of specific genes.

This process helps to direct the development of male sexual characteristics.

4 0
4 years ago
Which of the following is an alternative energy
Dima020 [189]

Alternative energy sources are those that do not deplete natural resources and do not harm the environment.

Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.

The only valid option here is D, Geothermal energy.

Geothermal energy is both renewable and environmentally friendly.

5 0
3 years ago
Read 2 more answers
Which characteristic makes fungi similar to plants?
beks73 [17]

<span>The answer is D. Both fungi and plants can grow in soil.</span>

<span>
Through the process of elimination:
- Plants are autotrophic organisms while fungi are heterotrophic organisms.
- Plants have vascular tissue, and fungi don't.
- Fungi are the only organisms that have cell walls made of chitin.
Therefore, the correct choice is that both fungi and plants can grow in soil.</span>

6 0
3 years ago
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Mention the 10 Phylla of plants.<br> .
victus00 [196]

1. Phylum Heptophyta- Non Vascular Plants (Bryophytes)

Common Name: Liverworts

Estimated Number of Species: 9,000

2. Phylum Anthocerophyta- Non Vascular Plants (Bryophytes)

Common Name: Hornworts

Estimated Number of Species: 100

3. Phylum Bryophyta- Non Vascular Plants

Common Name: Mosses

Estimated Number of Species: 15,000

4. Phylum Lycophyta- Vascular Plants (Seedless Vascular Plants)

Common Name: Lycophytes

Estimated Number of Species: 1,200

5. Phylum Pterophyta- Vascular Plants (Seedless Vascular Plants)

Common Name: Pterophytes

Estimated Number of Species: 12,000

6. Phylum Ginkgophyta- Vascular Plants (Seed Plants: Gymnosperms)

Common Name: Ginkgo

Estimated Number of Species: 1

7. Phylum Cycadophyta- Vascular Plants (Seed Plants: Gymnosperms)

Common Name: Cycads

Estimated Number of Species: 130

8. Phylum Gnetophyta- Vascular Plants (Seed Plants: Gymnosperms)

Common Name: Gnetophytes

Estimated Number of Species: 75

9. Phylum Coniferophyta- Vascular Plants (Seed Plants: Gymnosperms)

Common Name: Conifers

Estimated Number of Species: 600

10. Phylum Anthophyta- Vascular Plants (Seed Plants: Angiosperms)

Common Name: Flowering Plants

Estimated Number of Species: 250,000

6 0
3 years ago
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